diff --git a/agosms-update4.xml b/agosms-update4.xml
index 1f81d101..6a2cfe98 100644
--- a/agosms-update4.xml
+++ b/agosms-update4.xml
@@ -105,4 +105,25 @@
         <sha256>c963ae798e308048f5a6f74ba0a58f1992b8d2e2c14668ec40a91ee78fcb8ba2</sha256>
         <sha384>ac6b52d219a49e341b091f0143d5bb45514cf9fdb304d1e7aa99b05f6d707b911cb3c1999b87ae83092e0f7f045607f9</sha384>
     </update>
+    <update>
+        <name>pkg_agosms</name>
+        <description>pkg_agosms</description>
+        <element>pkg_agosms</element>
+        <type>package</type>
+        <client>site</client>
+        <version>4.0.15</version>
+        <infourl title="agosms">https://github.com/astridx/pkg_agosms/blob/v4.0.15/README.md</infourl>
+        <downloads>
+            <downloadurl type="full" format="zip">https://github.com/astridx/pkg_agosms/releases/download/v4.0.15/pkg-agosms-4.0.15.zip</downloadurl>
+        </downloads>
+        <tags>
+            <tag>rc</tag>
+            <tag>stable</tag>
+        </tags>
+        <maintainer>Astrid Günther</maintainer>
+        <maintainerurl>https://astrid-guenther.de</maintainerurl>
+        <targetplatform name="joomla" version="4.*"/>
+        <sha256>ff75458971412ce21c5cd1dc063112ccdd62f2560270d8a4905e153ce29cd22d</sha256>
+        <sha384>da6fe539ea5d84e097483880fa6f710534ab00a5ef9bc41521b9abc2a63074ad5be986900e32bf00bf82a32098e94882</sha384>
+    </update>
 </updates>
\ No newline at end of file
diff --git a/changelog.xml b/changelog.xml
index aa9f57e8..6a229f1d 100644
--- a/changelog.xml
+++ b/changelog.xml
@@ -69,4 +69,38 @@
 			<item>Add mod_agosmsmt.</item>
 		</note>
 	</changelog>	
+	<changelog>
+		<element>pkg_agosms</element>
+		<type>package</type>
+		<version>4.0.13</version>
+		<note>
+			<item>Fixes and improvments in mod_agosmsmt.</item>
+		</note>
+	</changelog>	
+	<changelog>
+		<element>pkg_agosms</element>
+		<type>package</type>
+		<version>4.0.14</version>
+		<note>
+			<item>Add Layer Tree (for satellite) in module agosms.</item>
+			<item>Make separators more visible in the backend</item>
+		</note>
+	</changelog>	
+	<changelog>
+		<element>pkg_agosms</element>
+		<type>package</type>
+		<version>4.0.15</version>
+		<note>
+			<item>Agosmsaddressmarker Field: Make the separators more visible in the backend.</item>
+			<item>Agosmsaddressmarker Field: Change the maximum default values for lat and lon to the largest possible values.</item>
+			<item>Agosmsaddressmarker Field: Add possibility to add a field for popup text.</item>
+		</note>
+	</changelog>	
+	<changelog>
+		<element>pkg_agosms</element>
+		<type>package</type>
+		<version>4.0.16</version>
+		<note>
+		</note>
+	</changelog>	
 </changelogs>
diff --git a/j4/pkg_agosms/jorobo.ini b/j4/pkg_agosms/jorobo.ini
index aa6abd56..48b9ecdd 100644
--- a/j4/pkg_agosms/jorobo.ini
+++ b/j4/pkg_agosms/jorobo.ini
@@ -1,5 +1,5 @@
 extension = agosms
-version = 4.0.13
+version = 4.0.16
 source = src
 target = package
 
diff --git a/j4/pkg_agosms/src/media/mod_agosm/js/agosm.js b/j4/pkg_agosms/src/media/mod_agosm/js/agosm.js
index 0ab3b241..e40d3ca3 100644
--- a/j4/pkg_agosms/src/media/mod_agosm/js/agosm.js
+++ b/j4/pkg_agosms/src/media/mod_agosm/js/agosm.js
@@ -21,6 +21,8 @@ document.addEventListener('DOMContentLoaded', function () {
 		var moduleId = element.getAttribute('data-module-id');
 		var detectRetina = element.getAttribute('data-detect-retina');
 		var baselayer = element.getAttribute('data-baselayer');
+		var layertree = element.getAttribute('data-layertree');
+
 		var lonlat = element.getAttribute('data-lonlat').split(",", 3);
 		var zoom = element.getAttribute('data-zoom');
 		var disableClusteringAtZoom = element.getAttribute('data-disable-clustering-at-zoom');
@@ -283,6 +285,19 @@ document.addEventListener('DOMContentLoaded', function () {
 
 		tileLayer.addTo(window['mymap' + moduleId]);
 
+		if (layertree == '1') {
+			var tileLayer2 = L.tileLayer('https://server.arcgisonline.com/ArcGIS/rest/services/World_Imagery/MapServer/tile/{z}/{y}/{x}', {
+				maxZoom: 16,
+				attribution: 'Tiles &copy; Esri &mdash; Source: Esri, i-cubed, USDA, USGS, AEX, GeoEye, Getmapping, Aerogrid, IGN, IGP, UPR-EGP, and the GIS User Community',
+				id: ''
+			});
+			var baseMaps = {
+				"Map": tileLayer,
+				"Satellit": tileLayer2
+			};
+			L.control.layers(baseMaps).addTo(window['mymap' + moduleId]);
+		}
+
 		// SCALE CONTROL
 		if ((scale) !== '0') {
 			let aggpxScale = L.control.scale();
@@ -964,6 +979,11 @@ document.addEventListener('DOMContentLoaded', function () {
 					}
 
 					let popuptext = "<a href=' " + url + " '> " + title + " </a>";
+
+					if (objcf.specialpopuptext) {
+						popuptext = objcf.specialpopuptext;
+					}
+					
 					tempMarkercf.bindPopup(popuptext.replace(/<img src="images/g, '<img src="' + uriroot + 'images'));
 
 					var clickgmarkerlista = document.querySelector('.agmarkerlista' + objcf.id);
diff --git a/j4/pkg_agosms/src/media/mod_agosm/layerstree/.eslintrc b/j4/pkg_agosms/src/media/mod_agosm/layerstree/.eslintrc
new file mode 100644
index 00000000..2e16c4a4
--- /dev/null
+++ b/j4/pkg_agosms/src/media/mod_agosm/layerstree/.eslintrc
@@ -0,0 +1,35 @@
+{
+  "globals": {
+    "define": true,
+    "module": true,
+    "L": true
+  },
+  "plugins": [
+    "html"
+  ],
+  "settings": {
+    "html/indent": "space",
+    "html/report-bad-indent": 2
+  },
+  "rules": {
+    "camelcase": "error",
+    "comma-spacing": ["error", {"after": true}],
+    "comma-style": "error",
+    "indent": "error",
+    "key-spacing": "error",
+    "keyword-spacing": "error",
+    "no-console": "error",
+    "no-constant-condition": "off",
+    "no-lonely-if": "error",
+    "no-multi-spaces": "error",
+    "no-shadow": "off",
+    "no-trailing-spaces": "error",
+    "no-underscore-dangle": "off",
+    "object-curly-spacing": "error",
+    "quotes": ["error", "single", "avoid-escape"],
+    "space-before-blocks": "error",
+    "space-before-function-paren": ["error", "never"],
+    "space-in-parens": "error",
+    "strict": "off"
+  }
+}
diff --git a/j4/pkg_agosms/src/media/mod_agosm/layerstree/.github/workflows/main.yml b/j4/pkg_agosms/src/media/mod_agosm/layerstree/.github/workflows/main.yml
new file mode 100644
index 00000000..bfbc4210
--- /dev/null
+++ b/j4/pkg_agosms/src/media/mod_agosm/layerstree/.github/workflows/main.yml
@@ -0,0 +1,52 @@
+name: CI
+
+on:
+  # Triggers the workflow on push or pull request events but only for the master branch
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+  # Allows you to run this workflow manually from the Actions tab
+  workflow_dispatch:
+
+# A workflow run is made up of one or more jobs that can run sequentially or in parallel
+jobs:
+  test:
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        node-version: [ 14.x ]
+        working-directory: [ '.', './test-types' ]
+
+    steps:
+      - name: Checkout branch
+        uses: actions/checkout@v2
+
+      - name: Use Node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@v1
+        with:
+          node-version: ${{ matrix.node-version }}
+
+      - name: Cache node modules
+        uses: actions/cache@v2
+        env:
+          cache-name: cache-node-modules-${{ matrix.working-directory }}
+        with:
+          # npm cache files are stored in `~/.npm` on Linux/macOS
+          path: ~/.npm
+          key: ${{ runner.os }}-build-${{ env.cache-name }}-${{ hashFiles('**/package-lock.json') }}
+          restore-keys: |
+            ${{ runner.os }}-build-${{ env.cache-name }}-
+            ${{ runner.os }}-build-
+            ${{ runner.os }}-
+
+      - name: Install dependencies
+        run: npm ci
+        working-directory: ${{ matrix.working-directory }}
+
+      - name: Run tests
+        run: npm run test
+        working-directory: ${{ matrix.working-directory }}
+        timeout-minutes: 2
diff --git a/j4/pkg_agosms/src/media/mod_agosm/layerstree/.github/workflows/npm-publish.yml b/j4/pkg_agosms/src/media/mod_agosm/layerstree/.github/workflows/npm-publish.yml
new file mode 100644
index 00000000..a1b63b39
--- /dev/null
+++ b/j4/pkg_agosms/src/media/mod_agosm/layerstree/.github/workflows/npm-publish.yml
@@ -0,0 +1,29 @@
+name: npm-publish
+
+on:
+  push:
+    branches: [ master ]
+
+  # Allows you to run this workflow manually from the Actions tab
+  workflow_dispatch:
+
+jobs:
+  npm-publish:
+    name: npm-publish
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v2
+    - name: Publish if version has been updated
+      uses: pascalgn/npm-publish-action@1.3.7
+      with: # All of theses inputs are optional
+        tag_name: "v%s"
+        tag_message: "v%s"
+        create_tag: "true"
+        commit_pattern: "^Release (\\S+)"
+        workspace: "."
+        publish_command: "yarn"
+        publish_args: "--non-interactive"
+      env: 
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} # Leave this as is, it's automatically generated
+        NPM_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }} # You need to set this in your repo settings
diff --git a/j4/pkg_agosms/src/media/mod_agosm/layerstree/.npmignore b/j4/pkg_agosms/src/media/mod_agosm/layerstree/.npmignore
new file mode 100644
index 00000000..b57d3d01
--- /dev/null
+++ b/j4/pkg_agosms/src/media/mod_agosm/layerstree/.npmignore
@@ -0,0 +1,7 @@
+.github
+.travis.yml
+.vscode
+bower.json
+examples
+test
+test-types
diff --git a/j4/pkg_agosms/src/media/mod_agosm/layerstree/L.Control.Layers.Tree.css b/j4/pkg_agosms/src/media/mod_agosm/layerstree/L.Control.Layers.Tree.css
new file mode 100644
index 00000000..93909d71
--- /dev/null
+++ b/j4/pkg_agosms/src/media/mod_agosm/layerstree/L.Control.Layers.Tree.css
@@ -0,0 +1,61 @@
+.leaflet-control-layers-toggle.leaflet-layerstree-named-toggle {
+    margin: 2px 5px;
+    width: auto;
+    height: auto;
+    background-image: none;
+}
+
+.leaflet-layerstree-node {
+}
+
+.leaflet-layerstree-header input{
+    margin-left: 0px;
+}
+
+
+.leaflet-layerstree-header {
+}
+
+.leaflet-layerstree-header-pointer {
+    cursor: pointer;
+}
+
+.leaflet-layerstree-header label {
+    display: inline-block;
+    cursor: pointer;
+}
+
+.leaflet-layerstree-header-label {
+}
+
+.leaflet-layerstree-header-name {
+}
+
+.leaflet-layerstree-header-space {
+}
+
+.leaflet-layerstree-children {
+    padding-left: 10px;
+}
+
+.leaflet-layerstree-children-nopad {
+    padding-left: 0px;
+}
+
+.leaflet-layerstree-closed {
+}
+
+.leaflet-layerstree-opened {
+}
+
+.leaflet-layerstree-hide {
+    display: none;
+}
+
+.leaflet-layerstree-nevershow {
+    display: none;
+}
+
+.leaflet-layerstree-expand-collapse {
+    cursor: pointer;
+}
diff --git a/j4/pkg_agosms/src/media/mod_agosm/layerstree/L.Control.Layers.Tree.d.ts b/j4/pkg_agosms/src/media/mod_agosm/layerstree/L.Control.Layers.Tree.d.ts
new file mode 100644
index 00000000..8f140a5c
--- /dev/null
+++ b/j4/pkg_agosms/src/media/mod_agosm/layerstree/L.Control.Layers.Tree.d.ts
@@ -0,0 +1,115 @@
+import * as L from 'leaflet';
+
+declare module 'leaflet' {
+    namespace Control {
+        namespace Layers {
+            interface TreeObject {
+                children?: TreeObject[];
+                collapsed?: boolean;
+                label: string;
+                layer?: L.Layer;
+                name?: string;
+                selectAllCheckbox?: boolean | string;
+            }
+
+            interface TreeOptions extends L.Control.LayersOptions {
+                /**
+                * Symbol displayed on a closed node.
+                * @default '+'
+                */
+                closedSymbol?: string;
+
+                /**
+                * Symbol displayed on an open node.
+                * @default '−' (&minus;)
+                */
+                openedSymbol?: string;
+
+                /**
+                * Symbol between the closed or opened symbol, and the text.
+                * @default ' ' (a normal space)
+                */
+                spaceSymbol?: string;
+
+                /**
+                * Flag to indicate if the selector (+ or −) is after the text.
+                * @default false
+                */
+                selectorBack?: boolean;
+
+                /**
+                * Flag to replace the toggle image (box with the layers image)
+                * with the 'name' of the selected base layer.
+                * If the name field is not present in the tree for this layer,
+                * label is used.
+                * See that you can show a different name when control is
+                * collapsed than the one that appears in the tree
+                * when it is expanded. Your node in the tree can be
+                * { label: 'OSM', name: 'OpenStreetMap', layer: layer }.
+                * @default false
+                */
+                namedToggle?: boolean;
+
+                /**
+                * Text for an entry in control that collapses the tree
+                * (baselayers or overlays).
+                * If empty, no entry is created.
+                * @default ''.
+                */
+                collapseAll?: string;
+
+                /**
+                * Text for an entry in control that expands the tree.
+                * If empty, no entry is created.
+                * @default ''
+                */
+                expandAll?: string;
+
+                /**
+                * Controls if a label or only the checkbox/radio button can
+                * toggle layers.
+                * If set to both, overlay or base those labels can be clicked on
+                * to toggle the layer.
+                * @default 'both'.
+                */
+                labelIsSelector?: 'both' | 'overlay' | 'base' | string;
+            }
+
+            class Tree extends L.Control.Layers {
+                constructor(
+                    baseTree?: TreeObject,
+                    overlayTree?: TreeObject,
+                    options?: TreeOptions
+                );
+
+                setBaseTree(baseTree: TreeObject): this;
+
+                setOverlayTree(overlayTree: TreeObject): this;
+
+                addBaseLayer(layer: L.Layer, name: string): never;
+
+                addOverlay(layer: L.Layer, name: string): never;
+
+                removeLayer(layer: L.Layer): never;
+
+                expandTree(isOverlay?: boolean): this;
+
+                collapseTree(isOverlay?: boolean): this;
+
+                expandSelected(isOverlay?: boolean): this;
+
+                options: TreeOptions;
+            }
+        }
+    }
+
+    namespace control {
+        namespace layers {
+            function tree(
+                baseTree?: Control.Layers.TreeObject,
+                overlayTree?: Control.Layers.TreeObject,
+                options?: Control.Layers.TreeOptions
+            ): Control.Layers.Tree;
+        }
+    }
+}
diff --git a/j4/pkg_agosms/src/media/mod_agosm/layerstree/L.Control.Layers.Tree.js b/j4/pkg_agosms/src/media/mod_agosm/layerstree/L.Control.Layers.Tree.js
new file mode 100644
index 00000000..b65b2948
--- /dev/null
+++ b/j4/pkg_agosms/src/media/mod_agosm/layerstree/L.Control.Layers.Tree.js
@@ -0,0 +1,521 @@
+/*
+ * Control like L.Control.Layers, but showing layers in a tree.
+ * Do not forget to include the css file.
+ */
+
+(function(L) {
+    if (typeof L === 'undefined') {
+        throw new Error('Leaflet must be included first');
+    }
+
+    /*
+     * L.Control.Layers.Tree extends L.Control.Layers because it reuses
+     * most of its functionality. Only the HTML creation is different.
+     */
+    L.Control.Layers.Tree = L.Control.Layers.extend({
+        options: {
+            closedSymbol: '+',
+            openedSymbol: '&minus;',
+            spaceSymbol: ' ',
+            selectorBack: false,
+            namedToggle: false,
+            collapseAll: '',
+            expandAll: '',
+            labelIsSelector: 'both',
+        },
+
+        // Class names are error prone texts, so write them once here
+        _initClassesNames: function() {
+            this.cls = {
+                children: 'leaflet-layerstree-children',
+                childrenNopad: 'leaflet-layerstree-children-nopad',
+                hide: 'leaflet-layerstree-hide',
+                closed: 'leaflet-layerstree-closed',
+                opened: 'leaflet-layerstree-opened',
+                space: 'leaflet-layerstree-header-space',
+                pointer: 'leaflet-layerstree-header-pointer',
+                header: 'leaflet-layerstree-header',
+                neverShow: 'leaflet-layerstree-nevershow',
+                node: 'leaflet-layerstree-node',
+                name: 'leaflet-layerstree-header-name',
+                label: 'leaflet-layerstree-header-label',
+                selAllCheckbox: 'leaflet-layerstree-sel-all-checkbox',
+            };
+        },
+
+        initialize: function(baseTree, overlaysTree, options) {
+            this._scrollTop = 0;
+            this._initClassesNames();
+            this._baseTree = null;
+            this._overlaysTree = null;
+            L.Util.setOptions(this, options);
+            L.Control.Layers.prototype.initialize.call(this, null, null, options);
+            this._setTrees(baseTree, overlaysTree);
+        },
+
+        setBaseTree: function(tree) {
+            return this._setTrees(tree);
+        },
+
+        setOverlayTree: function(tree) {
+            return this._setTrees(undefined, tree);
+        },
+
+        addBaseLayer: function(layer, name) {
+            throw 'addBaseLayer is disabled';
+        },
+
+        addOverlay: function(layer, name) {
+            throw 'addOverlay is disabled';
+        },
+
+        removeLayer: function(layer) {
+            throw 'removeLayer is disabled';
+        },
+
+        collapse: function() {
+            this._scrollTop = this._sect().scrollTop;
+            return L.Control.Layers.prototype.collapse.call(this);
+        },
+
+        expand: function() {
+            var ret = L.Control.Layers.prototype.expand.call(this);
+            this._sect().scrollTop = this._scrollTop;
+        },
+
+        onAdd: function(map) {
+            function changeName(layer) {
+                if (layer._layersTreeName) {
+                    toggle.innerHTML = layer._layersTreeName;
+                }
+            }
+
+            var ret = L.Control.Layers.prototype.onAdd.call(this, map);
+            if (this.options.namedToggle) {
+                var toggle = this._container.getElementsByClassName('leaflet-control-layers-toggle')[0];
+                L.DomUtil.addClass(toggle, 'leaflet-layerstree-named-toggle');
+                // Start with this value...
+                map.eachLayer(function(layer) {changeName(layer);});
+                // ... and change it whenever the baselayer is changed.
+                map.on('baselayerchange', function(e) {changeName(e.layer);}, this);
+            }
+            return ret;
+        },
+
+        // Expands the whole tree (base other overlays)
+        expandTree: function(overlay) {
+            var container = overlay ? this._overlaysList : this._baseLayersList;
+            if (container) {
+                this._applyOnTree(container, false);
+            }
+            return this._localExpand();
+        },
+
+        // Collapses the whole tree (base other overlays)
+        collapseTree: function(overlay) {
+            var container = overlay ? this._overlaysList : this._baseLayersList;
+            if (container) {
+                this._applyOnTree(container, true);
+            }
+            return this._localExpand();
+        },
+
+        // Expands the tree, only to show the selected inputs
+        expandSelected: function(overlay) {
+            function iter(el) {
+                // Function to iterate the whole DOM upwards
+                var p = el.parentElement;
+                if (p) {
+                    if (L.DomUtil.hasClass(p, that.cls.children) &&
+                        !L.DomUtil.hasClass(el, that.cls.childrenNopad)) {
+                        L.DomUtil.removeClass(p, hide);
+                    }
+
+                    if (L.DomUtil.hasClass(p, that.cls.node)) {
+                        var h = p.getElementsByClassName(that.cls.header)[0];
+                        that._applyOnTree(h, false);
+                    }
+                    iter(p);
+                }
+            }
+
+            var that = this;
+            var container = overlay ? this._overlaysList : this._baseLayersList;
+            if (!container) return this;
+            var hide = this.cls.hide;
+            var inputs = this._layerControlInputs || container.getElementsByTagName('input');
+            for (var i = 0; i < inputs.length; i++) {
+                // Loop over every (valid) input.
+                var input = inputs[i];
+                if (this._getLayer && !!this._getLayer(input.layerId).overlay != !!overlay) continue
+                if (input.checked) {
+                    // Get out of the header,
+                    // to not open the posible (but rare) children
+                    iter(input.parentElement.parentElement.parentElement.parentElement);
+                }
+            }
+            return this._localExpand();
+        },
+
+        // "private" methods, not exposed in the API
+        _sect: function() {
+            // to keep compatibility after 1.3 https://github.com/Leaflet/Leaflet/pull/6380
+            return this._section || this._form;
+        },
+
+        _setTrees: function(base, overlays) {
+            var id = 0; // to keep unique id
+            function iterate(tree, output, overlays) {
+                if (tree && tree.layer) {
+                    if (!overlays) {
+                        tree.layer._layersTreeName = tree.name || tree.label;
+                    }
+                    output[id++] = tree.layer;
+                }
+                if (tree && tree.children && tree.children.length) {
+                    tree.children.forEach(function(child) {
+                        iterate(child, output, overlays);
+                    });
+                }
+                return output;
+            }
+
+            // We accept arrays, but convert into an object with children
+            function forArrays(input) {
+                if (Array.isArray(input)) {
+                    return {noShow: true, children: input};
+                } else {
+                    return input
+                }
+            }
+
+            // Clean everything, and start again.
+            if (this._layerControlInputs) {
+                this._layerControlInputs = [];
+            }
+            for (var i = 0; i < this._layers.length; ++i) {
+                this._layers[i].layer.off('add remove', this._onLayerChange, this);
+            }
+            this._layers = [];
+
+            if (base !== undefined) this._baseTree = forArrays(base);
+            if (overlays !== undefined) this._overlaysTree = forArrays(overlays);
+
+            var bflat = iterate(this._baseTree, {});
+            for (var i in bflat) {
+                this._addLayer(bflat[i], i);
+            }
+
+            var oflat = iterate(this._overlaysTree, {}, true);
+            for (i in oflat) {
+                this._addLayer(oflat[i], i, true);
+            }
+            return (this._map) ? this._update() : this;
+        },
+
+        // Used to update the vertical scrollbar
+        _localExpand: function() {
+            if (this._map && L.DomUtil.hasClass(this._container, 'leaflet-control-layers-expanded')) {
+                var top = this._sect().scrollTop;
+                this.expand();
+                this._sect().scrollTop = top; // to keep the scroll location
+                this._scrollTop = top;
+            }
+            return this;
+        },
+
+        // collapses or expands the tree in the containter.
+        _applyOnTree: function(container, collapse) {
+            var iters = [
+                {cls: this.cls.children, hide: collapse},
+                {cls: this.cls.opened, hide: collapse},
+                {cls: this.cls.closed, hide: !collapse},
+            ];
+            iters.forEach(function(it) {
+                var els = container.getElementsByClassName(it.cls);
+                for (var i = 0; i < els.length; i++) {
+                    var el = els[i];
+                    if (L.DomUtil.hasClass(el, this.cls.childrenNopad)) {
+                        // do nothing
+                    } else if (it.hide) {
+                        L.DomUtil.addClass(el, this.cls.hide);
+                    } else {
+                        L.DomUtil.removeClass(el, this.cls.hide);
+                    }
+                }
+            }, this);
+        },
+
+        // it is called in the original _update, and shouldn't do anything.
+        _addItem: function(obj) {
+        },
+
+        // overwrite _update function in Control.Layers
+        _update: function() {
+            if (!this._container) { return this; }
+            L.Control.Layers.prototype._update.call(this);
+            this._addTreeLayout(this._baseTree, false);
+            this._addTreeLayout(this._overlaysTree, true);
+            return this._localExpand();
+        },
+
+        // Create the DOM objects for the tree
+        _addTreeLayout: function(tree, overlay) {
+            if (!tree) return;
+            var container = overlay ? this._overlaysList : this._baseLayersList;
+            this._expandCollapseAll(overlay, this.options.collapseAll, this.collapseTree);
+            this._expandCollapseAll(overlay, this.options.expandAll, this.expandTree);
+            this._iterateTreeLayout(tree, container, overlay, [], tree.noShow)
+            if (this._checkDisabledLayers) {
+                // to keep compatibility
+                this._checkDisabledLayers();
+            }
+        },
+
+        // Create the "Collapse all" or expand, if needed.
+        _expandCollapseAll: function(overlay, text, fn, ctx) {
+            var container = overlay ? this._overlaysList : this._baseLayersList;
+            ctx = ctx ? ctx : this;
+            if (text) {
+                var o = document.createElement('div');
+                o.className = 'leaflet-layerstree-expand-collapse';
+                container.appendChild(o);
+                o.innerHTML = text;
+                o.tabIndex = 0;
+                L.DomEvent.on(o, 'click keydown', function(e) {
+                    if (e.type !== 'keydown' || e.keyCode === 32) {
+                        o.blur()
+                        fn.call(ctx, overlay);
+                        this._localExpand();
+                    }
+                }, this);
+            }
+        },
+
+        // recursive function to create the DOM children
+        _iterateTreeLayout: function(tree, container, overlay, selAllNodes, noShow) {
+            if (!tree) return;
+            function creator(type, cls, append, innerHTML) {
+                var obj = L.DomUtil.create(type, cls, append);
+                if (innerHTML) obj.innerHTML = innerHTML;
+                return obj;
+            }
+
+            // create the header with it fields
+            var header = creator('div', this.cls.header, container);
+            var sel = creator('span');
+            var entry = creator('span');
+            var closed = creator('span', this.cls.closed, sel, this.options.closedSymbol);
+            var opened = creator('span', this.cls.opened, sel, this.options.openedSymbol);
+            var space = creator('span', this.cls.space, null, this.options.spaceSymbol);
+            if (this.options.selectorBack) {
+                sel.insertBefore(space, closed);
+                header.appendChild(entry);
+                header.appendChild(sel);
+            } else {
+                sel.appendChild(space);
+                header.appendChild(sel);
+                header.appendChild(entry);
+            }
+
+            function updateSelAllCheckbox(ancestor) {
+                var selector = ancestor.querySelector('input[type=checkbox]')
+                var selectedAll = true;
+                var selectedNone = true;
+                var inputs = ancestor.querySelectorAll('input[type=checkbox]');
+                [].forEach.call(inputs, function(inp) { // to work in node for tests
+                    if (inp === selector) {
+                        // ignore
+                    } else if (inp.indeterminate) {
+                        selectedAll = false;
+                        selectedNone = false;
+                    } else if (inp.checked) {
+                        selectedNone = false;
+                    } else if (!inp.checked) {
+                        selectedAll = false;
+                    }
+                });
+                if (selectedAll) {
+                    selector.indeterminate = false
+                    selector.checked = true;
+                } else if (selectedNone) {
+                    selector.indeterminate = false
+                    selector.checked = false;
+                } else {
+                    selector.indeterminate = true;
+                    selector.checked = false;
+                }
+            }
+
+            function manageSelectorsAll(input, ctx) {
+                selAllNodes.forEach(function(ancestor) {
+                    L.DomEvent.on(input, 'click', function(ev) {
+                        updateSelAllCheckbox(ancestor)
+                    }, ctx)
+                }, ctx);
+            }
+
+            var selAll;
+            if (tree.selectAllCheckbox) {
+                selAll = this._createCheckboxElement(false);
+                selAll.className += ' ' + this.cls.selAllCheckbox;
+            }
+
+            var hide = this.cls.hide; // To toggle state
+            // create the children group, with the header event click
+            if (tree.children) {
+                var children = creator('div', this.cls.children, container);
+                var sensible = tree.layer ? sel : header;
+                L.DomUtil.addClass(sensible, this.cls.pointer);
+                sensible.tabIndex = 0;
+                L.DomEvent.on(sensible, 'click keydown', function(e) {
+                    if (e.type === 'keydown' && e.keyCode !== 32) {
+                        return
+                    }
+                    sensible.blur();
+
+                    if (L.DomUtil.hasClass(opened, hide)) {
+                        // it is not opened, so open it
+                        L.DomUtil.addClass(closed, hide);
+                        L.DomUtil.removeClass(opened, hide);
+                        L.DomUtil.removeClass(children, hide);
+                    } else {
+                        // close it
+                        L.DomUtil.removeClass(closed, hide);
+                        L.DomUtil.addClass(opened, hide);
+                        L.DomUtil.addClass(children, hide);
+                    }
+                    this._localExpand();
+                }, this);
+                if (selAll) {
+                    selAllNodes.splice(0, 0, container);
+                }
+                tree.children.forEach(function(child) {
+                    var node = creator('div', this.cls.node, children)
+                    this._iterateTreeLayout(child, node, overlay, selAllNodes);
+                }, this);
+                if (selAll) {
+                    selAllNodes.splice(0, 1);
+                }
+            } else {
+                // no children, so the selector makes no sense.
+                L.DomUtil.addClass(sel, this.cls.neverShow);
+            }
+
+            // make (or not) the label clickable to toggle the layer
+            var labelType;
+            if (tree.layer) {
+                if ((this.options.labelIsSelector === 'both') || // if option is set to both
+                    (overlay && this.options.labelIsSelector === 'overlay') || // if an overlay layer and options is set to overlay
+                    (!overlay && this.options.labelIsSelector === 'base')) { // if a base layer and option is set to base
+                    labelType = 'label'
+                } else { // if option is set to something else
+                    labelType = 'span'
+                }
+            } else {
+                labelType = 'span';
+            }
+            // create the input and label
+            var label = creator(labelType, this.cls.label, entry);
+            if (tree.layer) {
+                // now create the element like in _addItem
+                var checked = this._map.hasLayer(tree.layer)
+                var input;
+                var radioGroup = overlay ? tree.radioGroup : 'leaflet-base-layers_' + L.Util.stamp(this);
+                if (radioGroup) {
+                    input = this._createRadioElement(radioGroup, checked);
+                } else {
+                    input = this._createCheckboxElement(checked);
+                    manageSelectorsAll(input, this);
+                }
+                if (this._layerControlInputs) {
+                    // to keep compatibility with 1.0.3
+                    this._layerControlInputs.push(input);
+                }
+                input.layerId = L.Util.stamp(tree.layer);
+                L.DomEvent.on(input, 'click', this._onInputClick, this);
+                label.appendChild(input);
+            }
+
+            function isText(variable) {
+                return (typeof variable === 'string' || variable instanceof String);
+            }
+
+            function isFunction(functionToCheck) {
+                return functionToCheck && {}.toString.call(functionToCheck) === '[object Function]';
+            }
+
+            function selectAllCheckboxes(select, ctx) {
+                var inputs = container.getElementsByTagName('input');
+                for (var i = 0; i < inputs.length; i++) {
+                    var input = inputs[i];
+                    if (input.type !== 'checkbox') continue;
+                    input.checked = select;
+                    input.indeterminate = false;
+                }
+                ctx._onInputClick();
+            }
+            if (tree.selectAllCheckbox) {
+                // selAll is already created
+                label.appendChild(selAll);
+                if (isText(tree.selectAllCheckbox)) {
+                    selAll.title = tree.selectAllCheckbox;
+                }
+                L.DomEvent.on(selAll, 'click', function(ev) {
+                    ev.stopPropagation();
+                    selectAllCheckboxes(selAll.checked, this);
+                }, this);
+                updateSelAllCheckbox(container);
+                manageSelectorsAll(selAll, this);
+            }
+
+            var name = creator('span', this.cls.name, label, tree.label);
+
+            // hide the button which doesn't fit the collapsed state, then hide children conditionally
+            L.DomUtil.addClass(tree.collapsed ? opened : closed, hide);
+            tree.collapsed && children && L.DomUtil.addClass(children, hide);
+
+            if (noShow) {
+                L.DomUtil.addClass(header, this.cls.neverShow);
+                L.DomUtil.addClass(children, this.cls.childrenNopad);
+            }
+
+            var eventeds = tree.eventedClasses;
+            if (!(eventeds instanceof Array)) {
+                eventeds = [eventeds];
+            }
+
+            for (var e = 0; e < eventeds.length; e++) {
+                var evented = eventeds[e];
+                if (evented && evented.className) {
+                    var obj = container.querySelector('.' + evented.className);
+                    if (obj) {
+                        L.DomEvent.on(obj, evented.event || 'click', (function(selectAll) {
+                            return function(ev) {
+                                ev.stopPropagation();
+                                var select = isFunction(selectAll) ? selectAll(ev, container, tree, this._map) : selectAll;
+                                if (select !== undefined && select !== null) {
+                                    selectAllCheckboxes(select, this);
+                                }
+                            }
+                        })(evented.selectAll), this);
+                    }
+                }
+            }
+        },
+
+        _createCheckboxElement: function(checked) {
+            var input = document.createElement('input');
+            input.type = 'checkbox';
+            input.className = 'leaflet-control-layers-selector';
+            input.defaultChecked = checked;
+            return input;
+        },
+
+    });
+
+    L.control.layers.tree = function(base, overlays, options) {
+        return new L.Control.Layers.Tree(base, overlays, options);
+    }
+
+})(L);
diff --git a/j4/pkg_agosms/src/media/mod_agosm/layerstree/LICENSE b/j4/pkg_agosms/src/media/mod_agosm/layerstree/LICENSE
new file mode 100644
index 00000000..c44b57b3
--- /dev/null
+++ b/j4/pkg_agosms/src/media/mod_agosm/layerstree/LICENSE
@@ -0,0 +1,29 @@
+BSD 3-Clause License
+
+Copyright (c) 2017, Javier Jimenez Shaw
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+* Redistributions of source code must retain the above copyright notice, this
+  list of conditions and the following disclaimer.
+
+* Redistributions in binary form must reproduce the above copyright notice,
+  this list of conditions and the following disclaimer in the documentation
+  and/or other materials provided with the distribution.
+
+* Neither the name of the copyright holder nor the names of its
+  contributors may be used to endorse or promote products derived from
+  this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/j4/pkg_agosms/src/media/mod_agosm/layerstree/README.md b/j4/pkg_agosms/src/media/mod_agosm/layerstree/README.md
new file mode 100644
index 00000000..0bace8e5
--- /dev/null
+++ b/j4/pkg_agosms/src/media/mod_agosm/layerstree/README.md
@@ -0,0 +1,191 @@
+# Leaflet.Control.Layers.Tree
+[![CI](https://github.com/jjimenezshaw/Leaflet.Control.Layers.Tree/actions/workflows/main.yml/badge.svg)](https://github.com/jjimenezshaw/Leaflet.Control.Layers.Tree/actions/workflows/main.yml)
+[![NPM version](https://img.shields.io/npm/v/leaflet.control.layers.tree.svg)](https://www.npmjs.com/package/leaflet.control.layers.tree)
+[![License](https://img.shields.io/badge/license-BSD--3--Clause-blue.svg?style=flat)](LICENSE)
+[![Leaflet 1.x compatible!](https://img.shields.io/badge/Leaflet%201.x-%E2%9C%93-1EB300.svg?style=flat)](http://leafletjs.com/reference.html)
+
+A Tree Layers Control for Leaflet.
+
+## Description
+This plugin extends [`Control.Layers`](http://leafletjs.com/reference-1.7.1.html#control-layers) allowing a tree structure for the layers layout. In `Control.Layers` you can only display a flat list of layers (baselayers and overlays), that is usually enough for small sets. If you have a long list of baselayers or overlays, and you want to organize them in a tree (allowing the user collapse and expand branches), this is a good option.
+
+[Some live examples here](https://jjimenezshaw.github.io/Leaflet.Control.Layers.Tree/examples/)
+
+## Installation
+Using npm for browserify `npm install leaflet.control.layers.tree` (and `require('leaflet.control.layers.tree')`), or just download `L.Control.Layers.Tree.js` and `L.Control.Layers.Tree.css` and add a script and link tag for it in your html.
+
+## Compatibility
+This plugin has been tested with Leaflet 1.0.3, 1.1.0, 1.2.0, 1.3.1., 1.4.0, 1.5.1, 1.6.0 and 1.7.1
+
+This plugin supports TypeScript. See file [L.Control.Layers.Tree.d.ts](L.Control.Layers.Tree.d.ts)
+
+## Usage
+1. Create your layers. Do this as usual.
+2. Create your layers tree, like the one just below.
+3. Create the control and add to the map: `L.control.layers.tree(baseTree, overlaysTree, options).addTo(map);`
+4. Voilà!
+```javascript
+var baseTree = {
+    label: 'Base Layers',
+    children: [
+        {
+            label: 'World &#x1f5fa;',
+            children: [
+                { label: 'OpenStreetMap', layer: osm },
+                { label: 'Esri', layer: esri },
+                { label: 'Google Satellite', layer: g_s },
+                /* ... */
+            ]
+        },
+        {
+            label: 'Europe',
+            children: [
+                { label: 'France', layer: france },
+                { label: 'Germany', layer: germany },
+                { label: 'Spain', layer: spain },
+                /* ... */
+            ]
+        },
+        {
+            label: 'USA',
+            children: [
+                {
+                    label: 'General',
+                    children: [
+                        { label: 'Nautical', layer: usa_naut },
+                        { label: 'Satellite', layer: usa_sat },
+                        { label: 'Topographical', layer: usa_topo },
+                    ]
+                },
+                {
+                    label: 'States',
+                    children: [
+                        { label: 'CA', layer: usa_ca },
+                        { label: 'NY', layer: usa_ny },
+                        /* ... */
+                    ]
+                }
+            ]
+        },
+    ]
+};
+```
+![small tree sample](smalltree.png)
+
+```javascript
+var overlaysTree = {
+    label: 'Points of Interest',
+    selectAllCheckbox: 'Un/select all',
+    children: [
+        {
+            label: 'Europe',
+            selectAllCheckbox: true,
+            children: [
+                {
+                    label: 'France',
+                    selectAllCheckbox: true,
+                    children: [
+                        { label: 'Tour Eiffel', layer: L.marker([48.8582441, 2.2944775]) },
+                        { label: 'Notre Dame', layer: L.marker([48.8529540, 2.3498726]) },
+                        { label: 'Louvre', layer: L.marker([48.8605847, 2.3376267]) },
+                    ]
+                }, {
+                    label: 'Germany',
+                    selectAllCheckbox: true,
+                    children: [
+                        { label: 'Branderburger Tor', layer: L.marker([52.5162542, 13.3776805])},
+                        { label: 'Kölner Dom', layer: L.marker([50.9413240, 6.9581201])},
+                    ]
+                }, {label: 'Spain',
+                    selectAllCheckbox: 'De/seleccionar todo',
+                    children: [
+                        { label: 'Palacio Real', layer: L.marker([40.4184145, -3.7137051])},
+                        { label: 'La Alhambra', layer: L.marker([37.1767829, -3.5892795])},
+                    ]
+                }
+            ]
+        }, {
+            label: 'Asia',
+            selectAllCheckbox: true,
+            children: [
+                {
+                    label: 'Jordan',
+                    selectAllCheckbox: true,
+                    children: [
+                        { label: 'Petra', layer: L.marker([30.3292215, 35.4432464]) },
+                        { label: 'Wadi Rum', layer: L.marker([29.6233486, 35.4390656]) }
+                    ]
+                }, {
+                /* ... */
+                }
+            ]
+        }
+    ]
+}
+```
+![smalloverlay sample](smalloverlay.png)
+
+## API
+### `L.Control.Layers.Tree`
+The main (and only) 'class' involved in this plugin. It exteds `L.Control.Layers`, so most of its methods are available. `addBaseLayer`, `addOverlay` and `removeLayer` are non usable in `L.Control.Layers.Tree`.
+#### `L.control.layers.tree(baseTree, overlayTree, options)`
+Creates the control. The arguments are:
+* `baseTree`: `<Object>` or `<Array>` Tree defining the base layers (like the one above). You can also provide an `Array` of nodes, if you want to start with a flat level.
+* `overlayTree`: `<Object>` or `<Array>` Similar than baseTree, but for overlays.
+* `options`: `<Object>` specific options for the tree. See that it includes `L.Control.Layer` [options](http://leafletjs.com/reference-1.4.0.html#control-layers)
+
+##### constructor options
+* `closedSymbol`: `<String>` Symbol displayed on a closed node (that you can click to open). Default '+'.
+* `openedSymbol`: `<String>` Symbol displayed on a opened node (that you can click to close). Default '&minus;' (`&minus;`).
+* `spaceSymbol`: `<String>` Symbol between the closed or opened symbol, and the text. Default ' ' (a normal space).
+* `selectorBack`: `<Boolean>` Flag to indicate if the selector (+ or &minus;) is _after_ the text. Default 'false'.
+* `namedToggle`: `<Boolean>` Flag to replace the toggle image (box with the layers image) with the 'name' of the selected base layer. If the `name` field is not present in the tree for this layer, `label` is used. See that you can show a different name when control is collapsed than the one that appears in the tree when it is expanded. Your node in the tree can be `{ label: 'OSM', name: 'OpenStreetMap', layer: layer }`. Default 'false'.
+* `collapseAll`: `<String>` Text for an entry in control that collapses the tree (baselayers or overlays). If empty, no entry is created. Default ''.
+* `expandAll`: `<String>` Text for an entry in control that expands the tree. If empty, no entry is created. Default ''.
+* `labelIsSelector`: `<String>` Controls if a label or only the checkbox/radiobutton can toggle layers. If set to `both`, `overlay` or `base` those labels can be clicked on to toggle the layer. Default 'both'.
+
+See that those strings can be html code, with unicode, images or whatever you want.
+
+#### `setBaseTree(tree)`
+Resets the base layers tree (like in constructor, an `<Object>` or `<Array>`). Internally removes and adds all the layers, so you may be notified if you registered those events. Returns `this`.
+
+#### `setOverlayTree(tree)`
+Resets the overlay layers tree (like in constructor, an `<Object>` or `<Array>`). Internally removes and adds all the layers, so you may be notified if you registered those events. Returns `this`.
+
+#### `expandTree(overlays)`
+This method expands the tree. When `overlays` is `true` expands the overlays tree. Otherwise expands the baselayers tree. Returns `this`.
+
+#### `collapseTree(overlays)`
+This method collapses the tree. When `overlays` is `true` collapses the overlays tree. Otherwise collapses the baselayers tree. Returns `this`.
+
+#### `expandSelected(overlays)`
+This method expands only the selected item in the tree. When `overlays` is `true` affects the overlays tree. Otherwise affects the baselayers tree. Returns `this`.
+
+## Tricks about the tree
+The layers tree is a normal `Object`s tree like in the example above. The valid elements are:
+* `children`: `<Array>` Array of children nodes for this node. Nothing special.
+* `label`: `<String>` Text displayed in the tree for this node. It may contain HTML code.
+* `layer`: `<L.Layer>` The layer itself. You can create with `L.tileLayer`, `L.marker`, or however you want.
+* `name`: `<String>` Text displayed in the toggle when control is minimized. If not present, `label` is used. It makes sense only when `namedToggle` is `true`, and with base layers.
+* `radioGroup`: `<String>` Text to identify different radio button groups. It is used in the `name` attribute in the [radio button](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/input/radio). It is used only in the overlays layers (ignored in the base layers), allowing you to have radio buttons instead of checkboxes. See that radio groups cannot be unselected, so create a 'fake' layer (like `L.layersGroup([])`) if you want to disable it. Deafult `''` (that means checkbox).
+* `collapsed`: `<Boolean>` Indicate whether this tree node should be collapsed initially, useful for opening large trees partially based on user input or context. Disabled by default.
+* `selectAllCheckbox`: `<Boolean>` or `<String>` Displays a checkbox to select/unselect all overlays in the sub-tree. In case of being a `<String>`, that text will be the title (tooltip). When any overlay in the sub-tree is clicked, the checkbox goes into `indeterminate` state (a dash in the box).
+* `eventedClasses`: `<Array>` or `<Object>`. [Advanced functionality to access nodes of the tree. Use carefully] Object (or array of objects) to define events on the `label`. Now you can specify a way to select all the sub-nodes in the overlay tree inspecting the tree. The object contains:
+  * `className`: `<String>`. Will add an event on the first element with this class name in this node.
+  * `event`: `<String>` (optional). Event to trigger. By default is `click`.
+  * `selectAll`: `<Boolean>` or `<Function>`. `true` selects all the checkboxes in the subnodes. `false` unselects all. In case of using a `<Function>` (that should return a `Boolean` or `undefined`), it will be called with `(ev, domNode, treeNode, map)`, where:
+    * `ev`: event triggered.
+    * `domNode`: DOM node that includes the label and all the children.
+    * `treeNode`: node of this tree affected. Be careful. Modifying it may produce undefined behaviours.
+    * `map`: map associated with the control.
+
+You can see an example of a baselayers tree (the javascript code) above. You can provide a tree, or an array of trees.
+
+Non leaf nodes (that is, those with `children`) can also have a layer. In this case you will be able to select the layer, and only the icon will collapse or expand this branch.
+
+You can include HTML code, not only ascii chars, in the `label` attribute. It will be included as `innerHTML`. Be carefull with unicodes, because not every browser supports them all.
+
+A leaf node without `layer` attribute is also posible. Only with `label`. This can be used to include special commands calling a javascript function, or a separator, or whatever you like. An example of separator node is
+```javascript
+{label: '<div class="leaflet-control-layers-separator"></div>'}
+```
diff --git a/j4/pkg_agosms/src/media/mod_agosm/layerstree/bower.json b/j4/pkg_agosms/src/media/mod_agosm/layerstree/bower.json
new file mode 100644
index 00000000..8b74aaf9
--- /dev/null
+++ b/j4/pkg_agosms/src/media/mod_agosm/layerstree/bower.json
@@ -0,0 +1,27 @@
+{
+  "name": "leaflet.control.layers.tree",
+  "version": "1.1.0",
+  "description": "Control Layers in a Tree structure",
+  "homepage": "https://github.com/jjimenezshaw/Leaflet.Control.Layers.Tree",
+  "authors": [
+    "Javier Jimenez Shaw"
+  ],
+  "main": "L.Control.Layers.Tree.js",
+  "style": "L.Control.Layers.Tree.css",
+  "keywords": [
+    "Leaflet",
+    "map",
+    "geo",
+    "tree",
+    "control",
+    "layers"
+  ],
+  "license": "BSD-3-Clause",
+  "ignore": [
+    "**/.*",
+    ".travis.yml",
+    "examples",
+    "node_modules",
+    "test"
+  ]
+}
diff --git a/j4/pkg_agosms/src/media/mod_agosm/layerstree/examples/airports.html b/j4/pkg_agosms/src/media/mod_agosm/layerstree/examples/airports.html
new file mode 100644
index 00000000..3d719c8f
--- /dev/null
+++ b/j4/pkg_agosms/src/media/mod_agosm/layerstree/examples/airports.html
@@ -0,0 +1,335 @@
+<!doctype html>
+<html>
+<head>
+    <meta charset="utf-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1">
+    <title>Leaflet Layers Tree Demo: Airports in Europe</title>
+    <link rel="stylesheet" href="https://unpkg.com/leaflet@1.7.1/dist/leaflet.css" crossorigin=""/>
+    <script src="https://unpkg.com/leaflet@1.7.1/dist/leaflet-src.js" crossorigin=""></script>
+    <!--link rel="stylesheet" href="../../Leaflet/dist/leaflet.css" crossorigin=""/>
+    <script src="../../Leaflet/dist/leaflet-src.js" crossorigin=""></script-->
+
+    <style type="text/css">
+        html, body { width: 100%; height: 100%; margin: 0; }
+        #map { width: 100%; height: 100%; }
+    </style>
+</head>
+
+<body>
+    <div id="map"></div>
+    <link rel="stylesheet" href="../L.Control.Layers.Tree.css" crossorigin=""/>
+    <script src="../L.Control.Layers.Tree.js"></script>
+
+    <script type="text/javascript">
+        var center = [40, 0];
+
+        var osm = L.tileLayer(
+            '//{s}.tile.openstreetmap.org/{z}/{x}/{y}.png',
+            {attribution: '© OpenStreetMap contributors'}
+        );
+
+        var osmBw = L.tileLayer(
+            'http://{s}.tiles.wmflabs.org/bw-mapnik/{z}/{x}/{y}.png',
+            {attribution: '© OpenStreetMap contributors'}
+        );
+
+        var thunderAttr = {attribution: '© OpenStreetMap contributors. Tiles courtesy of Andy Allan'}
+        var transport = L.tileLayer(
+            '//{s}.tile.thunderforest.com/transport/{z}/{x}/{y}.png',
+            thunderAttr
+        );
+
+        var cycle = L.tileLayer(
+            '//{s}.tile.thunderforest.com/cycle/{z}/{x}/{y}.png',
+            thunderAttr
+        );
+
+        var map = L.map('map', {
+            layers: [osm],
+            center: center,
+            zoom: 5
+        });
+
+        var baseTree = {
+            label: 'BaseLayers',
+            noShow: true,
+            children: [
+                {
+                    label: 'OpenStreeMap',
+                    layer: osm,
+                    children: [
+                        {label: 'B&W', layer: osmBw, name: 'OpenStreeMap B&W'},
+                    ]
+                },
+                {
+                    label: 'Thunder',
+                    children: [
+                        {label: 'Cycle', layer: cycle},
+                        {label: 'Transport', layer: transport},
+                    ]
+                },
+            ]
+        };
+
+        var ctl = L.control.layers.tree(baseTree, null,
+            {
+                namedToggle: true,
+                collapseAll: 'Collapse all',
+                expandAll: 'Expand all',
+                collapsed: false,
+            });
+
+        ctl.addTo(map).collapseTree().expandSelected();
+
+        var hasAllUnSelected = function() {
+            return function(ev, domNode, treeNode, map) {
+                var anySelected = false;
+                function iterate(node)
+                {
+                    if (node.layer && !node.radioGroup) {
+                        anySelected = anySelected || map.hasLayer(node.layer);
+                    }
+                    if (node.children && !anySelected) {
+                        node.children.forEach(function(element) { iterate(element); });
+                    }
+                }
+                iterate(treeNode);
+                return !anySelected;
+            };
+        };
+
+        var airportsEurope = {
+            label: 'Airports',
+            selectAllCheckbox: true,
+            children: [
+                /* start aiports from http://www.partow.net/miscellaneous/airportdatabase/#Download */
+                {label: 'GERMANY',
+                    selectAllCheckbox: true,
+                    children: [
+                        {label: 'AACHEN - AAH', layer: L.marker([50.823000, 6.187000])},
+                        {label: 'ALTENBURG - AOC', layer: L.marker([50.982000, 12.506000])},
+                        {label: 'ARNSBERG - ZCA', layer: L.marker([51.483000, 7.899000])},
+                        {label: 'AUGSBURG - AGB', layer: L.marker([48.425000, 10.932000])},
+                        {label: 'BADEN-BADEN - ZCC', layer: L.marker([48.791000, 8.187000])},
+                        {label: 'BAUTZEN - BBJ', layer: L.marker([51.193000, 14.520000])},
+                        {label: 'BAYREUTH - BYU', layer: L.marker([49.984000, 11.638000])},
+                        {label: 'BERLIN - SXF', layer: L.marker([52.380000, 13.523000])},
+                        {label: 'BERLIN - THF', layer: L.marker([52.473000, 13.404000])},
+                        {label: 'BERLIN - TXL', layer: L.marker([52.559000, 13.287000])},
+                        {label: 'BORKUM - BMK', layer: L.marker([53.595000, 6.709000])},
+                        {label: 'BRAUNSCHWEIG - BWE', layer: L.marker([52.319000, 10.556000])},
+                        {label: 'BREMEN - BRE', layer: L.marker([53.047000, 8.787000])},
+                        {label: 'BREMERHAVEN - BRV', layer: L.marker([53.503000, 8.573000])},
+                        {label: 'BRUEGGEN - BGN', layer: L.marker([51.200000, 6.132000])},
+                        {label: 'CELLE - ZCN', layer: L.marker([52.591000, 10.022000])},
+                        {label: 'COLOGNE - CGN', layer: L.marker([50.866000, 7.143000])},
+                        {label: 'DONAUESCHINGEN - ZQL', layer: L.marker([47.973000, 8.522000])},
+                        {label: 'DORTMUND - DTM', layer: L.marker([51.518000, 7.612000])},
+                        {label: 'DRESDEN - DRS', layer: L.marker([51.133000, 13.767000])},
+                        {label: 'DUESSELDORF - DUS', layer: L.marker([51.289000, 6.767000])},
+                        {label: 'EMDEN - EME', layer: L.marker([53.391000, 7.227000])},
+                        {label: 'ERFURT - ERF', layer: L.marker([50.980000, 10.958000])},
+                        {label: 'ESSEN - ESS', layer: L.marker([51.401000, 6.936000])},
+                        {label: 'FRANKFURT - FRA', layer: L.marker([50.026000, 8.543000])},
+                        {label: 'FRIEDRICHSHAFEN - FDH', layer: L.marker([47.671000, 9.511000])},
+                        {label: 'FUERSTENFELDBRUCK - FEL', layer: L.marker([48.206000, 11.267000])},
+                        {label: 'GEILENKIRCHEN - GKE', layer: L.marker([50.961000, 6.042000])},
+                        {label: 'GIEBELSTADT - GHF', layer: L.marker([49.648000, 9.966000])},
+                        {label: 'GUETERSLOH - GUT', layer: L.marker([51.923000, 8.306000])},
+                        {label: 'HAHN - HHN', layer: L.marker([49.950000, 7.264000])},
+                        {label: 'HAMBURG - HAM', layer: L.marker([53.630000, 9.988000])},
+                        {label: 'HAMBURG - XFW', layer: L.marker([53.535000, 9.835000])},
+                        {label: 'HANAU - ZNF', layer: L.marker([50.169000, 8.961000])},
+                        {label: 'HANNOVER - HAJ', layer: L.marker([52.461000, 9.685000])},
+                        {label: 'HEIDELBERG - QHD', layer: L.marker([49.393000, 8.652000])},
+                        {label: 'HOF - HOQ', layer: L.marker([50.289000, 11.855000])},
+                        {label: 'KASSEL - KSF', layer: L.marker([51.408000, 9.378000])},
+                        {label: 'KIEL - KEL', layer: L.marker([54.379000, 10.145000])},
+                        {label: 'KOBLENZ - ZNV', layer: L.marker([50.325000, 7.531000])},
+                        {label: 'LAAGE - RLG', layer: L.marker([53.918000, 12.279000])},
+                        {label: 'LAARBRUCH - LRC', layer: L.marker([51.602000, 6.143000])},
+                        {label: 'LEIPZIG - LEJ', layer: L.marker([51.424000, 12.236000])},
+                        {label: 'LEMWERDER - LEM', layer: L.marker([53.143000, 8.623000])},
+                        {label: 'LUEBECK - LBC', layer: L.marker([53.805000, 10.719000])},
+                        {label: 'MANNHEIM - MHG', layer: L.marker([49.473000, 8.514000])},
+                        {label: 'MOENCHENGLADBACH - MGL', layer: L.marker([51.230000, 6.504000])},
+                        {label: 'MUENSTER/OSNABRUECK - FMO', layer: L.marker([52.134000, 7.685000])},
+                        {label: 'MUNICH - MUC', layer: L.marker([48.354000, 11.786000])},
+                        {label: 'NORDERNEY - NRD', layer: L.marker([53.707000, 7.230000])},
+                        {label: 'NUERNBERG - NUE', layer: L.marker([49.499000, 11.078000])},
+                        {label: 'OBERPFAFFENHOFEN - OBF', layer: L.marker([48.081000, 11.283000])},
+                        {label: 'PADERBORN - PAD', layer: L.marker([51.614000, 8.616000])},
+                        {label: 'PARCHIM - SZW', layer: L.marker([53.427000, 11.783000])},
+                        {label: 'RAMSTEIN - RMS', layer: L.marker([49.438000, 7.601000])},
+                        {label: 'SAARBRUECKEN - SCN', layer: L.marker([49.214000, 7.109000])},
+                        {label: 'SPANGDAHLEM - SPM', layer: L.marker([49.973000, 6.692000])},
+                        {label: 'SPEYER - ZQC', layer: L.marker([49.302000, 8.451000])},
+                        {label: 'STUTTGART - STR', layer: L.marker([48.690000, 9.222000])},
+                        {label: 'TRIER - ZQF', layer: L.marker([49.863000, 6.789000])},
+                        {label: 'WESTERLAND - GWT', layer: L.marker([54.913000, 8.340000])},
+                        {label: 'WILHELMSHAVEN - WVN', layer: L.marker([53.505000, 8.053000])},
+                    ]
+                },
+                {label: 'SPAIN',
+                    selectAllCheckbox: true,
+                    children: [
+                        {label: 'ALICANTE - ALC', layer: L.marker([38.282000, -0.558000])},
+                        {label: 'ALMERIA - LEI', layer: L.marker([36.844000, -2.370000])},
+                        {label: 'AVILES - OVD', layer: L.marker([43.563000, -6.034000])},
+                        {label: 'BADAJOZ - BJZ', layer: L.marker([38.891000, -6.821000])},
+                        {label: 'BARCELONA - BCN', layer: L.marker([41.297000, 2.078000])},
+                        {label: 'BILBAO - BIO', layer: L.marker([43.301000, -2.911000])},
+                        {label: 'CORDOBA - ODB', layer: L.marker([37.842000, -4.849000])},
+                        {label: 'GERONA - GRO', layer: L.marker([41.901000, 2.760000])},
+                        {label: 'GRANADA - GRX', layer: L.marker([37.133000, -3.636000])},
+                        {label: 'GRANADA - GRX', layer: L.marker([37.189000, -3.777000])},
+                        {label: 'IBIZA - IBZ', layer: L.marker([38.873000, 1.373000])},
+                        {label: 'JEREZ - XRY', layer: L.marker([36.744000, -6.060000])},
+                        {label: 'LA CORUNA - LCG', layer: L.marker([43.302000, -8.377000])},
+                        {label: 'MADRID - MAD', layer: L.marker([40.472000, -3.561000])},
+                        {label: 'MADRID - TOJ', layer: L.marker([40.487000, -3.458000])},
+                        {label: 'MALAGA - AGP', layer: L.marker([36.674000, -4.499000])},
+                        {label: 'MENORCA - MAH', layer: L.marker([39.863000, 4.219000])},
+                        {label: 'MURCIA - MJV', layer: L.marker([37.775000, -0.812000])},
+                        {label: 'PALMA DE MALLORCA - PMI', layer: L.marker([39.550000, 2.733000])},
+                        {label: 'PAMPLONA - PNA', layer: L.marker([42.770000, -1.646000])},
+                        {label: 'REUS - REU', layer: L.marker([41.147000, 1.167000])},
+                        {label: 'SALAMANCA - SLM', layer: L.marker([40.952000, -5.502000])},
+                        {label: 'SAN SEBASTIAN - EAS', layer: L.marker([43.356000, -1.791000])},
+                        {label: 'SANTA CRUZ DE LA PALMA - SPC', layer: L.marker([28.626000, -17.756000])},
+                        {label: 'SANTANDER - SDR', layer: L.marker([43.427000, -3.820000])},
+                        {label: 'SANTIAGO - SCQ', layer: L.marker([42.896000, -8.415000])},
+                        {label: 'SEO DE URGEL - LEU', layer: L.marker([42.339000, 1.409000])},
+                        {label: 'SEVILLA - OZP', layer: L.marker([37.175000, -5.616000])},
+                        {label: 'SEVILLA - SVQ', layer: L.marker([37.418000, -5.893000])},
+                        {label: 'VALENCIA - VLC', layer: L.marker([39.489000, -0.481000])},
+                        {label: 'VALLADOLID - VLL', layer: L.marker([41.706000, -4.852000])},
+                        {label: 'VIGO - VGO', layer: L.marker([42.232000, -8.627000])},
+                        {label: 'VITORIA - VIT', layer: L.marker([42.883000, -2.724000])},
+                        {label: 'ZARAGOZA - ZAZ', layer: L.marker([41.666000, -1.041000])},
+                    ]
+                },
+                {label: 'FRANCE',
+                    selectAllCheckbox: true,
+                    children: [
+                        {label: 'AGEN - AGF', layer: L.marker([44.175000, 0.591000])},
+                        {label: 'AIX-LES-MILLES - QXB', layer: L.marker([43.505000, 5.368000])},
+                        {label: 'ALBI - LBI', layer: L.marker([43.914000, 2.113000])},
+                        {label: 'ANGOULEME - ANG', layer: L.marker([45.729000, 0.221000])},
+                        {label: 'ANNECY - NCY', layer: L.marker([45.929000, 6.099000])},
+                        {label: 'ANNEMASSE - QNJ', layer: L.marker([46.192000, 6.268000])},
+                        {label: 'ARCACHON - XAC', layer: L.marker([44.596000, -1.111000])},
+                        {label: 'AUBENAS-VALS-LANAS - OBS', layer: L.marker([44.544000, 4.372000])},
+                        {label: 'AURILLAC - AUR', layer: L.marker([44.891000, 2.422000])},
+                        {label: 'AUXERRE - AUF', layer: L.marker([47.850000, 3.497000])},
+                        {label: 'AVIGNON - AVN', layer: L.marker([43.907000, 4.902000])},
+                        {label: 'BEAUVAIS - BVA', layer: L.marker([49.454000, 2.113000])},
+                        {label: 'BERGERAC - EGC', layer: L.marker([44.825000, 0.519000])},
+                        {label: 'BEZIERS - BZR', layer: L.marker([43.324000, 3.356000])},
+                        {label: 'BIARRITZ-BAYONNE - BIQ', layer: L.marker([43.468000, -1.523000])},
+                        {label: 'BORDEAUX - BOD', layer: L.marker([44.828000, -0.716000])},
+                        {label: 'BOURG - XBK', layer: L.marker([46.201000, 5.292000])},
+                        {label: 'BOURGES - BOU', layer: L.marker([47.058000, 2.370000])},
+                        {label: 'BREST - BES', layer: L.marker([48.448000, -4.418000])},
+                        {label: 'BRIVE - BVE', layer: L.marker([45.151000, 1.469000])},
+                        {label: 'CAEN - CFR', layer: L.marker([49.173000, -0.450000])},
+                        {label: 'CALAIS - CQF', layer: L.marker([50.962000, 1.955000])},
+                        {label: 'CANNES - CEQ', layer: L.marker([43.542000, 6.953000])},
+                        {label: 'CARCASSONNE - CCF', layer: L.marker([43.216000, 2.306000])},
+                        {label: 'CASTRES - DCM', layer: L.marker([43.556000, 2.289000])},
+                        {label: 'CHALON - XCD', layer: L.marker([46.826000, 4.817000])},
+                        {label: 'CHAMBERY - CMF', layer: L.marker([45.638000, 5.880000])},
+                        {label: 'CHATEAUROUX - CHR', layer: L.marker([46.862000, 1.731000])},
+                        {label: 'CHERBOURG - CER', layer: L.marker([49.650000, -1.470000])},
+                        {label: 'CHOLET - CET', layer: L.marker([47.082000, -0.877000])},
+                        {label: 'CLERMONT FERRAND - CFE', layer: L.marker([45.786000, 3.169000])},
+                        {label: 'COGNAC - CNG', layer: L.marker([45.658000, -0.318000])},
+                        {label: 'COLMAR - CMR', layer: L.marker([48.110000, 7.359000])},
+                        {label: 'CREIL - CSF', layer: L.marker([49.253000, 2.519000])},
+                        {label: 'DEAUVILLE - DOL', layer: L.marker([49.365000, 0.154000])},
+                        {label: 'DIJON - DIJ', layer: L.marker([47.269000, 5.090000])},
+                        {label: 'DINARD - DNR', layer: L.marker([48.588000, -2.080000])},
+                        {label: 'DOLE - DLE', layer: L.marker([47.039000, 5.427000])},
+                        {label: 'EPINAL - EPL', layer: L.marker([48.325000, 6.070000])},
+                        {label: 'GRENOBLE - GNB', layer: L.marker([45.363000, 5.329000])},
+                        {label: 'HYERES - TLN', layer: L.marker([43.097000, 6.146000])},
+                        {label: 'LA ROCHE-SUR-YON - EDM', layer: L.marker([46.702000, -1.379000])},
+                        {label: 'LA ROCHELLE - LRH', layer: L.marker([43.449000, 1.263000])},
+                        {label: 'LANNION - LAI', layer: L.marker([48.754000, -3.471000])},
+                        {label: 'LAVAL - LVA', layer: L.marker([48.031000, -0.743000])},
+                        {label: 'LE CASTELLET - CTT', layer: L.marker([43.252000, 5.785000])},
+                        {label: 'LE HAVRE - LEH', layer: L.marker([49.534000, 0.088000])},
+                        {label: 'LE MANS - LME', layer: L.marker([47.949000, 0.202000])},
+                        {label: 'LE PUY - LPY', layer: L.marker([45.079000, 3.765000])},
+                        {label: 'LE TOURQUET - LTQ', layer: L.marker([50.515000, 1.627000])},
+                        {label: 'LILLE - LIL', layer: L.marker([50.562000, 3.089000])},
+                        {label: 'LIMOGES - LIG', layer: L.marker([45.863000, 1.179000])},
+                        {label: 'LORIENT - LRT', layer: L.marker([47.761000, -3.440000])},
+                        {label: 'LYON - LYN', layer: L.marker([45.728000, 4.945000])},
+                        {label: 'LYON - LYS', layer: L.marker([45.726000, 5.091000])},
+                        {label: 'MACON - QNX', layer: L.marker([46.295000, 4.796000])},
+                        {label: 'MARSEILLE - MRS', layer: L.marker([43.436000, 5.214000])},
+                        {label: 'MENDE - MEN', layer: L.marker([44.502000, 3.533000])},
+                        {label: 'METZ - ETZ', layer: L.marker([48.982000, 6.254000])},
+                        {label: 'METZ - MZM', layer: L.marker([49.072000, 6.132000])},
+                        {label: 'MONTLUCON-GUERET - MCU', layer: L.marker([46.224000, 2.363000])},
+                        {label: 'MONTLUCON - MCU', layer: L.marker([46.352000, 2.570000])},
+                        {label: 'MONTPELLIER - MPL', layer: L.marker([43.576000, 3.963000])},
+                        {label: 'MORLAIX - MXN', layer: L.marker([48.603000, -3.816000])},
+                        {label: 'MOULINS - XMU', layer: L.marker([46.534000, 3.424000])},
+                        {label: 'MULHOUSE - MLH', layer: L.marker([47.589000, 7.530000])},
+                        {label: 'NANCY - ENC', layer: L.marker([48.692000, 6.230000])},
+                        {label: 'NANTES - NTE', layer: L.marker([47.153000, -1.611000])},
+                        {label: 'NEVERS - NVS', layer: L.marker([47.001000, 3.114000])},
+                        {label: 'NICE - NCE', layer: L.marker([43.661000, 7.218000])},
+                        {label: 'NIMES - FNI', layer: L.marker([43.757000, 4.416000])},
+                        {label: 'NIORT - NIT', layer: L.marker([46.311000, -0.401000])},
+                        {label: 'ORLEANS - ORE', layer: L.marker([47.988000, 1.761000])},
+                        {label: 'PARIS - CDG', layer: L.marker([49.013000, 2.550000])},
+                        {label: 'PARIS - LBG', layer: L.marker([48.969000, 2.441000])},
+                        {label: 'PARIS - ORY', layer: L.marker([48.725000, 2.359000])},
+                        {label: 'PAU - PUF', layer: L.marker([43.380000, -0.419000])},
+                        {label: 'PERIGUEUX - PGX', layer: L.marker([45.198000, 0.816000])},
+                        {label: 'PERPIGNAN - PGF', layer: L.marker([42.740000, 2.871000])},
+                        {label: 'POITIERS - PIS', layer: L.marker([46.588000, 0.307000])},
+                        {label: 'PONTOISE - POX', layer: L.marker([49.096000, 2.041000])},
+                        {label: 'QUIMPER - UIP', layer: L.marker([47.975000, -4.168000])},
+                        {label: 'REIMS - RHE', layer: L.marker([49.310000, 4.050000])},
+                        {label: 'RENNES - RNS', layer: L.marker([48.069000, -1.735000])},
+                        {label: 'ROANNE - RNE', layer: L.marker([46.058000, 4.001000])},
+                        {label: 'ROCHEFORT - RCO', layer: L.marker([45.888000, -0.983000])},
+                        {label: 'RODEZ - RDZ', layer: L.marker([44.408000, 2.482000])},
+                        {label: 'ROUEN - URO', layer: L.marker([49.384000, 1.175000])},
+                        {label: 'ROYAN - RYN', layer: L.marker([45.628000, -0.973000])},
+                        {label: 'ST.-BRIEUC ARMOR - SBK', layer: L.marker([48.538000, -2.854000])},
+                        {label: 'ST.-ETIENNE - EBU', layer: L.marker([45.540000, 4.296000])},
+                        {label: 'ST.-NAZAIRE - SNR', layer: L.marker([47.312000, -2.149000])},
+                        {label: 'STRASSBOURG - SXB', layer: L.marker([48.538000, 7.628000])},
+                        {label: 'TARBES - LDE', layer: L.marker([43.179000, -0.006000])},
+                        {label: 'TOULOUSE - TLS', layer: L.marker([43.629000, 1.364000])},
+                        {label: 'TOURS - TUF', layer: L.marker([47.432000, 0.728000])},
+                        {label: 'TOUSSOUS-LE-NOBLE - TNF', layer: L.marker([48.752000, 2.106000])},
+                        {label: 'TROYES - QYR', layer: L.marker([48.323000, 4.018000])},
+                        {label: 'VALENCE - VAF', layer: L.marker([44.921000, 4.970000])},
+                        {label: 'VANNES - VNE', layer: L.marker([47.723000, -2.718000])},
+                        {label: 'VICHY - VHY', layer: L.marker([46.169000, 3.404000])},
+                        {label: 'VILEFRANCE - XVF', layer: L.marker([45.916000, 4.641000])},
+                    ]
+                }
+            ]
+        };
+        /* ends aiports */
+        var makePopups = function(node) {
+            if (node.layer) {
+                node.layer.bindPopup(node.label);
+            }
+            if (node.children) {
+                node.children.forEach(function(element) { makePopups(element); });
+            }
+        };
+        makePopups(airportsEurope);
+
+        ctl.setOverlayTree(airportsEurope).collapseTree(true).expandSelected(true);
+    </script>
+</body>
+</html>
diff --git a/j4/pkg_agosms/src/media/mod_agosm/layerstree/examples/basic.html b/j4/pkg_agosms/src/media/mod_agosm/layerstree/examples/basic.html
new file mode 100644
index 00000000..c692df96
--- /dev/null
+++ b/j4/pkg_agosms/src/media/mod_agosm/layerstree/examples/basic.html
@@ -0,0 +1,80 @@
+<!doctype html>
+<html>
+<head>
+    <meta charset="utf-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1">
+    <title>Leaflet Layers Tree Basic Demo</title>
+    <link rel="stylesheet" href="https://unpkg.com/leaflet@1.7.1/dist/leaflet.css" crossorigin=""/>
+    <script src="https://unpkg.com/leaflet@1.7.1/dist/leaflet-src.js" crossorigin=""></script>
+
+    <style type="text/css">
+        html, body { width: 100%; height: 100%; margin: 0; }
+        #map { width: 100%; height: 100%; }
+    </style>
+</head>
+
+<body>
+    <div id="map"></div>
+    <link rel="stylesheet" href="../L.Control.Layers.Tree.css" crossorigin=""/>
+    <script src="../L.Control.Layers.Tree.js"></script>
+
+    <script type="text/javascript">
+        var center = [40, 0];
+
+        // Define some base layers
+        var osm = L.tileLayer(
+            '//{s}.tile.openstreetmap.org/{z}/{x}/{y}.png',
+            {attribution: '© OpenStreetMap contributors'}
+        );
+
+        var osmBw = L.tileLayer(
+            'http://{s}.tiles.wmflabs.org/bw-mapnik/{z}/{x}/{y}.png',
+            {attribution: '© OpenStreetMap contributors'}
+        );
+
+        var otopomap = L.tileLayer(
+            '//{s}.tile.opentopomap.org/{z}/{x}/{y}.png',
+            {attribution: '© OpenStreetMap contributors. OpenTopoMap.org'}
+        );
+
+        var thunderAttr = {attribution: '© OpenStreetMap contributors. Tiles courtesy of Andy Allan'}
+        var transport = L.tileLayer(
+            '//{s}.tile.thunderforest.com/transport/{z}/{x}/{y}.png',
+            thunderAttr
+        );
+
+        var cycle = L.tileLayer(
+            '//{s}.tile.thunderforest.com/cycle/{z}/{x}/{y}.png',
+            thunderAttr
+        );
+
+        // The tree containing the layers
+        var baseTree = [
+            {
+                label: 'OpenStreeMap',
+                children: [
+                    {label: 'OSM', layer: osm, name: 'OpenStreeMap'},
+                    {label: 'B&W', layer: osmBw, name: 'OpenStreeMap <b>B&W</b>'},
+                    {label: 'OpenTopoMap', layer: otopomap, name: 'Topographic - OSM'},
+                ]
+            },
+            {
+                label: 'Thunder',
+                children: [
+                    {label: 'Cycle', layer: cycle},
+                    {label: 'Transport', layer: transport},
+                ]
+            },
+        ];
+
+        // The map
+        var map = L.map('map', {
+            layers: [osm],
+            center: center,
+            zoom: 5
+        });
+
+        L.control.layers.tree(baseTree).addTo(map);
+    </script>
+</body>
+</html>
diff --git a/j4/pkg_agosms/src/media/mod_agosm/layerstree/examples/basic_1.3.4.html b/j4/pkg_agosms/src/media/mod_agosm/layerstree/examples/basic_1.3.4.html
new file mode 100644
index 00000000..261a435c
--- /dev/null
+++ b/j4/pkg_agosms/src/media/mod_agosm/layerstree/examples/basic_1.3.4.html
@@ -0,0 +1,79 @@
+<!doctype html>
+<html>
+<head>
+    <meta charset="utf-8">
+    <title>Leaflet Layers Tree Basic Demo</title>
+    <link rel="stylesheet" href="https://unpkg.com/leaflet@1.3.4/dist/leaflet.css" crossorigin=""/>
+    <script src="https://unpkg.com/leaflet@1.3.4/dist/leaflet-src.js" crossorigin=""></script>
+
+    <style type="text/css">
+        html, body { width: 100%; height: 100%; margin: 0; }
+        #map { width: 100%; height: 100%; }
+    </style>
+</head>
+
+<body>
+    <div id="map"></div>
+    <link rel="stylesheet" href="../L.Control.Layers.Tree.css" crossorigin=""/>
+    <script src="../L.Control.Layers.Tree.js"></script>
+
+    <script type="text/javascript">
+        var center = [40, 0];
+
+        // Define some base layers
+        var osm = L.tileLayer(
+            '//{s}.tile.openstreetmap.org/{z}/{x}/{y}.png',
+            {attribution: '© OpenStreetMap contributors'}
+        );
+
+        var osmBw = L.tileLayer(
+            'http://{s}.tiles.wmflabs.org/bw-mapnik/{z}/{x}/{y}.png',
+            {attribution: '© OpenStreetMap contributors'}
+        );
+
+        var otopomap = L.tileLayer(
+            '//{s}.tile.opentopomap.org/{z}/{x}/{y}.png',
+            {attribution: '© OpenStreetMap contributors. OpenTopoMap.org'}
+        );
+
+        var thunderAttr = {attribution: '© OpenStreetMap contributors. Tiles courtesy of Andy Allan'}
+        var transport = L.tileLayer(
+            '//{s}.tile.thunderforest.com/transport/{z}/{x}/{y}.png',
+            thunderAttr
+        );
+
+        var cycle = L.tileLayer(
+            '//{s}.tile.thunderforest.com/cycle/{z}/{x}/{y}.png',
+            thunderAttr
+        );
+
+        // The tree containing the layers
+        var baseTree = [
+            {
+                label: 'OpenStreeMap',
+                children: [
+                    {label: 'OSM', layer: osm, name: 'OpenStreeMap'},
+                    {label: 'B&W', layer: osmBw, name: 'OpenStreeMap <b>B&W</b>'},
+                    {label: 'OpenTopoMap', layer: otopomap, name: 'Topographic - OSM'},
+                ]
+            },
+            {
+                label: 'Thunder',
+                children: [
+                    {label: 'Cycle', layer: cycle},
+                    {label: 'Transport', layer: transport},
+                ]
+            },
+        ];
+
+        // The map
+        var map = L.map('map', {
+            layers: [osm],
+            center: center,
+            zoom: 5
+        });
+
+        L.control.layers.tree(baseTree).addTo(map);
+    </script>
+</body>
+</html>
diff --git a/j4/pkg_agosms/src/media/mod_agosm/layerstree/examples/index.html b/j4/pkg_agosms/src/media/mod_agosm/layerstree/examples/index.html
new file mode 100644
index 00000000..8b64bf4d
--- /dev/null
+++ b/j4/pkg_agosms/src/media/mod_agosm/layerstree/examples/index.html
@@ -0,0 +1,14 @@
+<html>
+<head>
+  <meta charset="utf-8">
+  <meta name="viewport" content="width=device-width, initial-scale=1">
+</head>
+<body>
+  <ul>
+    <li><a href="./basic.html">basic.html</a></li>
+    <li><a href="./options.html">options.html</a></li>
+    <li><a href="./airports.html">airports.html</a></li>
+    <li><a href="./basic_1.3.4.html">basic_1.3.4.html</a></li>
+  </ul>
+</body>
+</html>
diff --git a/j4/pkg_agosms/src/media/mod_agosm/layerstree/examples/options.html b/j4/pkg_agosms/src/media/mod_agosm/layerstree/examples/options.html
new file mode 100644
index 00000000..5fc493ca
--- /dev/null
+++ b/j4/pkg_agosms/src/media/mod_agosm/layerstree/examples/options.html
@@ -0,0 +1,140 @@
+<!doctype html>
+<html>
+<head>
+    <meta charset="utf-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1">
+    <title>Leaflet Layers Tree Demo</title>
+    <link rel="stylesheet" href="https://unpkg.com/leaflet@1.7.1/dist/leaflet.css" crossorigin=""/>
+    <script src="https://unpkg.com/leaflet@1.7.1/dist/leaflet-src.js" crossorigin=""></script>
+
+    <style type="text/css">
+        html, body { width: 100%; height: 100%; margin: 0; }
+        #map { width: 100%; height: 100%; }
+    </style>
+</head>
+
+<body>
+    <div id="map"></div>
+    <link rel="stylesheet" href="../L.Control.Layers.Tree.css" crossorigin=""/>
+    <script src="../L.Control.Layers.Tree.js"></script>
+
+    <script type="text/javascript">
+        var center = [40, 0];
+
+        var osm = L.tileLayer(
+            '//{s}.tile.openstreetmap.org/{z}/{x}/{y}.png',
+            {attribution: '© OpenStreetMap contributors'}
+        );
+
+        var osmBw = L.tileLayer(
+            'http://{s}.tiles.wmflabs.org/bw-mapnik/{z}/{x}/{y}.png',
+            {attribution: '© OpenStreetMap contributors'}
+        );
+
+        var otopomap = L.tileLayer(
+            '//{s}.tile.opentopomap.org/{z}/{x}/{y}.png',
+            {attribution: '© OpenStreetMap contributors. OpenTopoMap.org'}
+        );
+
+        var thunderAttr = {attribution: '© OpenStreetMap contributors. Tiles courtesy of Andy Allan'}
+        var transport = L.tileLayer(
+            '//{s}.tile.thunderforest.com/transport/{z}/{x}/{y}.png',
+            thunderAttr
+        );
+
+        var cycle = L.tileLayer(
+            '//{s}.tile.thunderforest.com/cycle/{z}/{x}/{y}.png',
+            thunderAttr
+        );
+
+        var map = L.map('map', {
+            layers: [osm],
+            center: center,
+            zoom: 5
+        });
+
+        var baseTree = [
+            {
+                label: 'OpenStreeMap',
+                layer: osm,
+                children: [
+                    {label: 'B&W', layer: osmBw, name: 'OpenStreeMap <b>B&W</b>'},
+                    {label: 'OpenTopoMap', layer: otopomap, name: 'Topographic - OSM'},
+                ]
+            },
+            {
+                label: 'Thunder',
+                children: [
+                    {label: 'Cycle', layer: cycle},
+                    {label: 'Transport', layer: transport},
+                ]
+            },
+        ];
+
+        var granada = L.marker([37.133, -3.636]);
+        var malaga = L.marker([36.674, -4.499]);
+        var sevilla = L.marker([37.418, -5.893]);
+
+        malaga.addTo(map);
+        granada.addTo(map);
+        sevilla.addTo(map);
+
+        var overlaysTree = {
+            label: 'Some cities',
+            selectAllCheckbox: 'Un/select all',
+            children: [
+                {label: '<div id="onlysel">-Show only selected-</div>'},
+                {label: 'France', children: [
+                    {label: 'Lyon', layer: L.marker([45.728, 4.945])},
+                    {label: 'Paris', layer: L.marker([48.725, 2.359])},
+                    {label: 'Toulouse', layer: L.marker([43.629, 1.364])},
+                ]},
+                {label: 'Germany', selectAllCheckbox: true, children: [
+                    {label: 'Berlin', layer: L.marker([52.559, 13.287])},
+                    {label: 'Cologne', layer: L.marker([50.866, 7.143])},
+                    {label: 'Hamburg', layer: L.marker([53.630, 9.988])},
+                    {label: 'Munich', layer: L.marker([48.354, 11.786])},
+                ]},
+                {label: 'Spain',
+                    selectAllCheckbox: 'De/seleccionar todo',
+                    children: [
+                        {label: 'Madrid', layer: L.marker([40.472, -3.561])},
+                        {label: 'Andalucia', selectAllCheckbox: true, children: [
+                            {label: 'Granada', layer: granada},
+                            {label: 'Málaga', layer: malaga},
+                            {label: 'Sevilla', layer: sevilla},
+                        ]},
+                        {label: 'Bask Country', children: [
+                            {label: '---', layer: L.layerGroup([]), radioGroup: 'bc'},
+                            {label: 'Bilbao', layer: L.marker([43.301, -2.911]), radioGroup: 'bc'},
+                            {label: 'San Sebastian', layer: L.marker([43.356, -1.791]), radioGroup: 'bc'},
+                            {label: 'Vitoria', layer: L.marker([42.883, -2.724]), radioGroup: 'bc'},
+                        ]},
+                        {label: 'Catalonia', children: [
+                            {label: 'Barcelona', layer: L.marker([41.297, 2.078])},
+                            {label: 'Gerona', layer: L.marker([41.901, 2.760])},
+                        ]},
+                    ],
+                },
+            ]
+        }
+
+        var lay = L.control.layers.tree(baseTree, overlaysTree,
+            {
+                namedToggle: true,
+                selectorBack: false,
+                closedSymbol: '&#8862; &#x1f5c0;',
+                openedSymbol: '&#8863; &#x1f5c1;',
+                collapseAll: 'Collapse all',
+                expandAll: 'Expand all',
+                collapsed: false,
+            });
+
+        lay.addTo(map).collapseTree().expandSelected().collapseTree(true);
+        L.DomEvent.on(L.DomUtil.get('onlysel'), 'click', function() {
+            lay.collapseTree(true).expandSelected(true);
+        });
+
+    </script>
+</body>
+</html>
diff --git a/j4/pkg_agosms/src/media/mod_agosm/layerstree/package-lock.json b/j4/pkg_agosms/src/media/mod_agosm/layerstree/package-lock.json
new file mode 100644
index 00000000..8166cc07
--- /dev/null
+++ b/j4/pkg_agosms/src/media/mod_agosm/layerstree/package-lock.json
@@ -0,0 +1,2334 @@
+{
+  "name": "leaflet.control.layers.tree",
+  "version": "1.0.2",
+  "lockfileVersion": 1,
+  "requires": true,
+  "dependencies": {
+    "@babel/code-frame": {
+      "version": "7.12.11",
+      "resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.12.11.tgz",
+      "integrity": "sha512-Zt1yodBx1UcyiePMSkWnU4hPqhwq7hGi2nFL1LeA3EUl+q2LQx16MISgJ0+z7dnmgvP9QtIleuETGOiOH1RcIw==",
+      "dev": true,
+      "requires": {
+        "@babel/highlight": "^7.10.4"
+      }
+    },
+    "@babel/helper-validator-identifier": {
+      "version": "7.12.11",
+      "resolved": "https://registry.npmjs.org/@babel/helper-validator-identifier/-/helper-validator-identifier-7.12.11.tgz",
+      "integrity": "sha512-np/lG3uARFybkoHokJUmf1QfEvRVCPbmQeUQpKow5cQ3xWrV9i3rUHodKDJPQfTVX61qKi+UdYk8kik84n7XOw==",
+      "dev": true
+    },
+    "@babel/highlight": {
+      "version": "7.13.8",
+      "resolved": "https://registry.npmjs.org/@babel/highlight/-/highlight-7.13.8.tgz",
+      "integrity": "sha512-4vrIhfJyfNf+lCtXC2ck1rKSzDwciqF7IWFhXXrSOUC2O5DrVp+w4c6ed4AllTxhTkUP5x2tYj41VaxdVMMRDw==",
+      "dev": true,
+      "requires": {
+        "@babel/helper-validator-identifier": "^7.12.11",
+        "chalk": "^2.0.0",
+        "js-tokens": "^4.0.0"
+      },
+      "dependencies": {
+        "ansi-styles": {
+          "version": "3.2.1",
+          "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-3.2.1.tgz",
+          "integrity": "sha512-VT0ZI6kZRdTh8YyJw3SMbYm/u+NqfsAxEpWO0Pf9sq8/e94WxxOpPKx9FR1FlyCtOVDNOQ+8ntlqFxiRc+r5qA==",
+          "dev": true,
+          "requires": {
+            "color-convert": "^1.9.0"
+          }
+        },
+        "chalk": {
+          "version": "2.4.2",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-2.4.2.tgz",
+          "integrity": "sha512-Mti+f9lpJNcwF4tWV8/OrTTtF1gZi+f8FqlyAdouralcFWFQWF2+NgCHShjkCb+IFBLq9buZwE1xckQU4peSuQ==",
+          "dev": true,
+          "requires": {
+            "ansi-styles": "^3.2.1",
+            "escape-string-regexp": "^1.0.5",
+            "supports-color": "^5.3.0"
+          }
+        },
+        "color-convert": {
+          "version": "1.9.3",
+          "resolved": "https://registry.npmjs.org/color-convert/-/color-convert-1.9.3.tgz",
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+          "dev": true,
+          "requires": {
+            "color-name": "1.1.3"
+          }
+        },
+        "color-name": {
+          "version": "1.1.3",
+          "resolved": "https://registry.npmjs.org/color-name/-/color-name-1.1.3.tgz",
+          "integrity": "sha1-p9BVi9icQveV3UIyj3QIMcpTvCU=",
+          "dev": true
+        },
+        "escape-string-regexp": {
+          "version": "1.0.5",
+          "resolved": "https://registry.npmjs.org/escape-string-regexp/-/escape-string-regexp-1.0.5.tgz",
+          "integrity": "sha1-G2HAViGQqN/2rjuyzwIAyhMLhtQ=",
+          "dev": true
+        },
+        "has-flag": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-3.0.0.tgz",
+          "integrity": "sha1-tdRU3CGZriJWmfNGfloH87lVuv0=",
+          "dev": true
+        },
+        "supports-color": {
+          "version": "5.5.0",
+          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.5.0.tgz",
+          "integrity": "sha512-QjVjwdXIt408MIiAqCX4oUKsgU2EqAGzs2Ppkm4aQYbjm+ZEWEcW4SfFNTr4uMNZma0ey4f5lgLrkB0aX0QMow==",
+          "dev": true,
+          "requires": {
+            "has-flag": "^3.0.0"
+          }
+        }
+      }
+    },
+    "@eslint/eslintrc": {
+      "version": "0.4.0",
+      "resolved": "https://registry.npmjs.org/@eslint/eslintrc/-/eslintrc-0.4.0.tgz",
+      "integrity": "sha512-2ZPCc+uNbjV5ERJr+aKSPRwZgKd2z11x0EgLvb1PURmUrn9QNRXFqje0Ldq454PfAVyaJYyrDvvIKSFP4NnBog==",
+      "dev": true,
+      "requires": {
+        "ajv": "^6.12.4",
+        "debug": "^4.1.1",
+        "espree": "^7.3.0",
+        "globals": "^12.1.0",
+        "ignore": "^4.0.6",
+        "import-fresh": "^3.2.1",
+        "js-yaml": "^3.13.1",
+        "minimatch": "^3.0.4",
+        "strip-json-comments": "^3.1.1"
+      }
+    },
+    "@types/node": {
+      "version": "14.14.32",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-14.14.32.tgz",
+      "integrity": "sha512-/Ctrftx/zp4m8JOujM5ZhwzlWLx22nbQJiVqz8/zE15gOeEW+uly3FSX4fGFpcfEvFzXcMCJwq9lGVWgyARXhg==",
+      "dev": true
+    },
+    "@ungap/promise-all-settled": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/@ungap/promise-all-settled/-/promise-all-settled-1.1.2.tgz",
+      "integrity": "sha512-sL/cEvJWAnClXw0wHk85/2L0G6Sj8UB0Ctc1TEMbKSsmpRosqhwj9gWgFRZSrBr2f9tiXISwNhCPmlfqUqyb9Q==",
+      "dev": true
+    },
+    "acorn": {
+      "version": "1.2.2",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-1.2.2.tgz",
+      "integrity": "sha1-yM4n3grMdtiW0rH6099YjZ6C8BQ=",
+      "dev": true
+    },
+    "ajv": {
+      "version": "6.12.6",
+      "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.12.6.tgz",
+      "integrity": "sha512-j3fVLgvTo527anyYyJOGTYJbG+vnnQYvE0m5mmkc1TK+nxAppkCLMIL0aZ4dblVCNoGShhm+kzE4ZUykBoMg4g==",
+      "dev": true,
+      "requires": {
+        "fast-deep-equal": "^3.1.1",
+        "fast-json-stable-stringify": "^2.0.0",
+        "json-schema-traverse": "^0.4.1",
+        "uri-js": "^4.2.2"
+      }
+    },
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+}
diff --git a/j4/pkg_agosms/src/media/mod_agosm/layerstree/package.json b/j4/pkg_agosms/src/media/mod_agosm/layerstree/package.json
new file mode 100644
index 00000000..5fb86dc6
--- /dev/null
+++ b/j4/pkg_agosms/src/media/mod_agosm/layerstree/package.json
@@ -0,0 +1,47 @@
+{
+  "name": "leaflet.control.layers.tree",
+  "version": "1.1.0",
+  "description": "Control Layers in a Tree structure",
+  "main": "L.Control.Layers.Tree.js",
+  "style": "L.Control.Layers.Tree.css",
+  "types": "L.Control.Layers.Tree.d.ts",
+  "directories": {
+    "test": "test"
+  },
+  "license": "BSD-3-Clause",
+  "scripts": {
+    "lint": "eslint L.*.js test/* examples/*",
+    "lintfix": "eslint L.*.js test/* examples/* --fix",
+    "spec": "mocha-chrome test/index.html --ignore-exceptions",
+    "test": "npm run lint && npm run spec"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/jjimenezshaw/Leaflet.Control.Layers.Tree.git"
+  },
+  "keywords": [
+    "Leaflet",
+    "map",
+    "geo",
+    "tree",
+    "control",
+    "layers"
+  ],
+  "devDependencies": {
+    "blanket": "^1.2.3",
+    "chai": "~4.3.4",
+    "chai-leaflet": "^0.0.13",
+    "eslint": "^7.22.0",
+    "eslint-plugin-html": "^6.1.2",
+    "happen": "^0.3.2",
+    "leaflet": "^1.7.1",
+    "minimist": ">=0.2.1",
+    "mocha": "^8.3.2",
+    "mocha-chrome": "^2.2.0"
+  },
+  "peerDependencies": {
+    "leaflet": "^1.1.0"
+  },
+  "author": "Javier Jimenez Shaw",
+  "readmeFilename": "README.md"
+}
diff --git a/j4/pkg_agosms/src/media/mod_agosm/layerstree/smalloverlay.png b/j4/pkg_agosms/src/media/mod_agosm/layerstree/smalloverlay.png
new file mode 100644
index 00000000..b01aacce
Binary files /dev/null and b/j4/pkg_agosms/src/media/mod_agosm/layerstree/smalloverlay.png differ
diff --git a/j4/pkg_agosms/src/media/mod_agosm/layerstree/smalltree.png b/j4/pkg_agosms/src/media/mod_agosm/layerstree/smalltree.png
new file mode 100644
index 00000000..d13269de
Binary files /dev/null and b/j4/pkg_agosms/src/media/mod_agosm/layerstree/smalltree.png differ
diff --git a/j4/pkg_agosms/src/media/mod_agosm/layerstree/test-types/.eslintrc b/j4/pkg_agosms/src/media/mod_agosm/layerstree/test-types/.eslintrc
new file mode 100644
index 00000000..7a67f5a5
--- /dev/null
+++ b/j4/pkg_agosms/src/media/mod_agosm/layerstree/test-types/.eslintrc
@@ -0,0 +1,18 @@
+{
+  "env": {
+    "es6": true,
+    "node": true
+  },
+  "extends": [
+    "eslint:recommended",
+    "plugin:@typescript-eslint/recommended",
+    "plugin:@typescript-eslint/recommended-requiring-type-checking"
+  ],
+  "parser": "@typescript-eslint/parser",
+  "parserOptions": {
+    "project": "./tsconfig.json"
+  },
+  "plugins": [
+    "@typescript-eslint"
+  ]
+}
diff --git a/j4/pkg_agosms/src/media/mod_agosm/layerstree/test-types/L.Control.Layers.Tree.ts b/j4/pkg_agosms/src/media/mod_agosm/layerstree/test-types/L.Control.Layers.Tree.ts
new file mode 100644
index 00000000..e9030f3f
--- /dev/null
+++ b/j4/pkg_agosms/src/media/mod_agosm/layerstree/test-types/L.Control.Layers.Tree.ts
@@ -0,0 +1,88 @@
+import * as L from 'leaflet';
+import 'L.Control.Layers.Tree';
+
+const markerO = L.marker([0, 0]);
+const markerA = L.marker([40, 0]);
+const markerB = L.marker([0, 30]);
+const markerC = L.marker([0, 20]);
+
+const baseTree = {label: 'Base'} as L.Control.Layers.TreeObject;
+baseTree.name = 'None';
+
+const overlayTree = {label: 'Overlay'} as L.Control.Layers.TreeObject;
+overlayTree.name = 'Root';
+overlayTree.layer = markerO;
+overlayTree.collapsed = true;
+overlayTree.selectAllCheckbox = true;
+overlayTree.children = [
+    {label: 'Over one', name: 'Name Over one', layer: markerO},
+    {label: 'Over two', name: 'Name Over two', layer: L.layerGroup([])},
+    {
+        label: 'O Node 1',
+        selectAllCheckbox: true,
+        collapsed: true,
+        children: [
+            {label: 'Over 11', name: 'Name Over 11', layer: markerA},
+            {label: 'Over 12', layer: L.layerGroup([])},
+            {
+                label: '1 Node 1',
+                selectAllCheckbox: 'my title',
+                collapsed: false,
+                children: [
+                    {label: 'Over 21', name: 'Name Over 21', layer: markerC},
+                    {label: 'Over 22', layer: L.layerGroup([])},
+                ]
+            },
+        ]
+    },
+    {label: 'Over three', name: 'Name Over three', layer: markerB}
+];
+
+const treeOptions: L.Control.Layers.TreeOptions = {} as L.Control.Layers.TreeOptions;
+treeOptions.closedSymbol = '&#8862; &#x1f5c0;';
+treeOptions.collapseAll = 'Collapse all';
+treeOptions.expandAll = 'Expand all';
+treeOptions.labelIsSelector = 'base';
+treeOptions.namedToggle = true;
+treeOptions.openedSymbol = '&#8863; &#x1f5c1;';
+treeOptions.selectorBack = false;
+treeOptions.spaceSymbol = '~';
+treeOptions.collapsed = false; // from L.Control.LayersOptions
+
+const tree: L.Control.Layers.Tree = L.control.layers.tree(baseTree, overlayTree, treeOptions);
+
+tree.options.closedSymbol;
+tree.options.collapseAll;
+tree.options.expandAll;
+tree.options.labelIsSelector;
+tree.options.namedToggle;
+tree.options.openedSymbol;
+tree.options.selectorBack;
+tree.options.spaceSymbol;
+tree.options.collapsed;
+
+tree.setBaseTree(baseTree);
+tree.setOverlayTree(overlayTree);
+
+tree.expandSelected(false);
+tree.expandTree(false);
+tree.collapseTree(false);
+tree.expand();
+
+try {
+    tree.addBaseLayer(markerA, 'Throws error');
+} catch (e) {
+    console.error(e);
+}
+
+try {
+    tree.addOverlay(markerB, 'Throws error');
+} catch (e) {
+    console.error(e);
+}
+
+try {
+    tree.removeLayer(markerC);
+} catch (e) {
+    console.error(e);
+}
diff --git a/j4/pkg_agosms/src/media/mod_agosm/layerstree/test-types/package-lock.json b/j4/pkg_agosms/src/media/mod_agosm/layerstree/test-types/package-lock.json
new file mode 100644
index 00000000..7c4747c3
--- /dev/null
+++ b/j4/pkg_agosms/src/media/mod_agosm/layerstree/test-types/package-lock.json
@@ -0,0 +1,1305 @@
+{
+  "name": "leaflet.control.layers.tree.types.test",
+  "version": "0.0.1",
+  "lockfileVersion": 1,
+  "requires": true,
+  "dependencies": {
+    "@babel/code-frame": {
+      "version": "7.12.11",
+      "resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.12.11.tgz",
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+      "dev": true,
+      "requires": {
+        "@babel/highlight": "^7.10.4"
+      }
+    },
+    "@babel/helper-validator-identifier": {
+      "version": "7.12.11",
+      "resolved": "https://registry.npmjs.org/@babel/helper-validator-identifier/-/helper-validator-identifier-7.12.11.tgz",
+      "integrity": "sha512-np/lG3uARFybkoHokJUmf1QfEvRVCPbmQeUQpKow5cQ3xWrV9i3rUHodKDJPQfTVX61qKi+UdYk8kik84n7XOw==",
+      "dev": true
+    },
+    "@babel/highlight": {
+      "version": "7.13.10",
+      "resolved": "https://registry.npmjs.org/@babel/highlight/-/highlight-7.13.10.tgz",
+      "integrity": "sha512-5aPpe5XQPzflQrFwL1/QoeHkP2MsA4JCntcXHRhEsdsfPVkvPi2w7Qix4iV7t5S/oC9OodGrggd8aco1g3SZFg==",
+      "dev": true,
+      "requires": {
+        "@babel/helper-validator-identifier": "^7.12.11",
+        "chalk": "^2.0.0",
+        "js-tokens": "^4.0.0"
+      },
+      "dependencies": {
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+          "version": "3.2.1",
+          "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-3.2.1.tgz",
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+          "dev": true,
+          "requires": {
+            "color-convert": "^1.9.0"
+          }
+        },
+        "chalk": {
+          "version": "2.4.2",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-2.4.2.tgz",
+          "integrity": "sha512-Mti+f9lpJNcwF4tWV8/OrTTtF1gZi+f8FqlyAdouralcFWFQWF2+NgCHShjkCb+IFBLq9buZwE1xckQU4peSuQ==",
+          "dev": true,
+          "requires": {
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+            "escape-string-regexp": "^1.0.5",
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+        "espree": "^7.3.0",
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diff --git a/j4/pkg_agosms/src/media/mod_agosm/layerstree/test-types/package.json b/j4/pkg_agosms/src/media/mod_agosm/layerstree/test-types/package.json
new file mode 100644
index 00000000..8ce500cc
--- /dev/null
+++ b/j4/pkg_agosms/src/media/mod_agosm/layerstree/test-types/package.json
@@ -0,0 +1,21 @@
+{
+  "name": "leaflet.control.layers.tree.types.test",
+  "version": "0.0.1",
+  "author": "Javier Jimenez Shaw",
+  "license": "BSD-3-Clause",
+  "scripts": {
+    "lint": "eslint --no-eslintrc -c ./.eslintrc *.ts",
+    "spec": "tsc",
+    "test": "npm run lint && npm run spec"
+  },
+  "devDependencies": {
+    "@types/leaflet": "^1.7.0",
+    "@typescript-eslint/eslint-plugin": "^4.18.0",
+    "@typescript-eslint/parser": "^4.18.0",
+    "eslint": "^7.22.0",
+    "leaflet": "^1.7.1",
+    "leaflet.control.layers.tree": "../",
+    "ts-node": "^9.1.1",
+    "typescript": "~4.1.5"
+  }
+}
diff --git a/j4/pkg_agosms/src/media/mod_agosm/layerstree/test-types/tsconfig.json b/j4/pkg_agosms/src/media/mod_agosm/layerstree/test-types/tsconfig.json
new file mode 100644
index 00000000..d8a255a0
--- /dev/null
+++ b/j4/pkg_agosms/src/media/mod_agosm/layerstree/test-types/tsconfig.json
@@ -0,0 +1,16 @@
+{
+  "compilerOptions": {
+    "lib": [
+      "dom",
+      "es6"
+    ],
+    "module": "commonjs",
+    "noEmit": true
+  },
+  "files": [
+    "./node_modules/leaflet.control.layers.tree/L.Control.Layers.Tree.d.ts"
+  ],
+  "include": [
+    "**/*.ts"
+  ]
+}
diff --git a/j4/pkg_agosms/src/media/mod_agosm/layerstree/test/index.html b/j4/pkg_agosms/src/media/mod_agosm/layerstree/test/index.html
new file mode 100644
index 00000000..169c7356
--- /dev/null
+++ b/j4/pkg_agosms/src/media/mod_agosm/layerstree/test/index.html
@@ -0,0 +1,53 @@
+<html>
+<head>
+    <meta charset="utf-8">
+    <title>Leaflet.Control.Layers.Tree Tests</title>
+    <link rel="stylesheet" href="../node_modules/mocha/mocha.css" />
+    <link rel="stylesheet" href="../node_modules/leaflet/dist/leaflet.css" />
+    <link rel="stylesheet" href="../L.Control.Layers.Tree.css" />
+
+    <style>
+        .map, .label {
+            width: 400px;
+            height: 400px;
+            float: left;
+        }
+        .label {
+            width: 40px;
+            text-align: left;
+            font-size: 40px;
+            padding: 20px 30px;
+        }
+        #mocha {
+            clear: both;
+        }
+    </style>
+</head>
+<body>
+    <div id="maps">
+        <div id="mapA" class="map"></div>
+    </div>
+    <div id="mocha"></div>
+
+    <script src="../node_modules/leaflet/dist/leaflet.js"></script>
+
+    <script src="../L.Control.Layers.Tree.js" data-cover></script>
+
+    <script src="../node_modules/chai/chai.js"></script>
+    <script src="../node_modules/mocha/mocha.js"></script>
+    <script src="../node_modules/happen/happen.js"></script>
+    <script src="../node_modules/chai-leaflet/chai-leaflet.js"></script>
+    <!--script src="../node_modules/blanket/dist/mocha/blanket_mocha.js"></script-->
+
+    <script class="mocha-init">
+        mocha.setup('bdd');
+        mocha.globals(['L']);
+    </script>
+
+    <script src="spec.js"></script>
+
+    <script class="mocha-exec">
+        mocha.run();
+    </script>
+</body>
+</html>
diff --git a/j4/pkg_agosms/src/media/mod_agosm/layerstree/test/spec.js b/j4/pkg_agosms/src/media/mod_agosm/layerstree/test/spec.js
new file mode 100644
index 00000000..05066ff0
--- /dev/null
+++ b/j4/pkg_agosms/src/media/mod_agosm/layerstree/test/spec.js
@@ -0,0 +1,932 @@
+'use strict';
+
+var layerA = L.tileLayer('');
+var layerB = L.tileLayer('');
+
+function baseArray1() {
+    return [
+        {label: 'Leaf one', name: 'Name Leaf one', layer: L.tileLayer('')},
+        {label: 'Leaf two', name: 'Name Leaf two', layer: L.tileLayer('', {idx: 'two'})},
+        {
+            label: 'Node 1',
+            children: [
+                {label: 'Leaf 11', name: 'Name Leaf 11', layer: layerA},
+                {label: 'Leaf 12', layer: L.tileLayer('')}
+            ]
+        },
+        {label: 'Leaf three', name: 'Name Leaf three', layer: layerB}
+    ];
+}
+
+function baseArray2() {
+    return [
+        {label: 'Leaf one', name: 'Name Leaf one', layer: layerA},
+        {label: 'Leaf two', name: 'Name Leaf two', layer: layerB},
+    ];
+}
+
+function baseTree1() {
+    return {
+        noShow: false,
+        label: 'Root node',
+        children: baseArray1()
+    };
+}
+
+var markerO = L.marker([0, 0]);
+var markerA = L.marker([40, 0]);
+var markerB = L.marker([0, 30]);
+var markerC = L.marker([0, 20]);
+
+function overlaysArray1() {
+    return [
+        {label: 'Over one', name: 'Name Over one', layer: markerO},
+        {label: 'Over two', name: 'Name Over two', layer: L.layerGroup([])},
+        {
+            label: 'O Node 1',
+            children: [
+                {label: 'Over 11', name: 'Name Over 11', layer: markerA},
+                {label: 'Over 12', layer: L.layerGroup([])}
+            ]
+        },
+        {label: 'Over three', name: 'Name Over three', layer: markerB}
+    ]
+}
+
+function overlaysArraySelectAll(collapsed1, collapsed2) {
+    return [
+        {label: 'Over one', name: 'Name Over one', layer: markerO},
+        {label: 'Over two', name: 'Name Over two', layer: L.layerGroup([])},
+        {
+            label: 'O Node 1',
+            selectAllCheckbox: true,
+            collapsed: collapsed1,
+            children: [
+                {label: 'Over 11', name: 'Name Over 11', layer: markerA},
+                {label: 'Over 12', layer: L.layerGroup([])},
+                {
+                    label: '1 Node 1',
+                    selectAllCheckbox: 'my title',
+                    collapsed: collapsed2,
+                    children: [
+                        {label: 'Over 21', name: 'Name Over 21', layer: markerC},
+                        {label: 'Over 22', layer: L.layerGroup([])},
+                    ]
+                },
+            ]
+        },
+        {label: 'Over three', name: 'Name Over three', layer: markerB}
+    ]
+}
+
+function overlaysArrayEventedClasses(callbackSel, callbackUnsel) {
+    return [
+        {label: 'Over one', name: 'Name Over one', layer: markerO},
+        {label: 'Over two', name: 'Name Over two', layer: L.layerGroup([])},
+        {
+            label: '<span class="sel">Sel</span> <span class="unsel">Unsel</span> O Node 1',
+            eventedClasses: [{className: 'sel', selectAll: callbackSel ? callbackSel : true}, {className: 'unsel', selectAll: callbackUnsel ? callbackUnsel : false}],
+            children: [
+                {label: 'Over 11', name: 'Name Over 11', layer: markerA},
+                {label: 'Over 12', layer: L.layerGroup([])},
+                {
+                    label: '<span class="sel">Sel</span> <span class="unsel">Unsel</span> 1 Node 1',
+                    eventedClasses: [{className: 'sel', selectAll: callbackSel ? callbackSel : true}, {className: 'unsel', selectAll: callbackUnsel ? callbackUnsel : false}],
+                    children: [
+                        {label: 'Over 21', name: 'Name Over 21', layer: markerC},
+                        {label: 'Over 22', layer: L.layerGroup([])},
+                    ]
+                },
+            ]
+        },
+        {label: 'Over three', name: 'Name Over three', layer: markerB}
+    ]
+}
+
+function overlaysTree1() {
+    return {
+        noShow: false,
+        label: 'Root O node',
+        children: overlaysArray1()
+    };
+}
+
+function overlaysArray2() {
+    return [
+        {label: 'Over A', name: 'Name Over A', layer: markerA},
+        {label: 'Over B', name: 'Name Over B', layer: markerB},
+    ];
+}
+
+function isHidden(el) {
+    // https://stackoverflow.com/questions/19669786/check-if-element-is-visible-in-dom
+    return (el.offsetParent === null)
+}
+
+function checkHidden(list, value, first) {
+    first = first || 0;
+    if (!Array.isArray(value)) {
+        var v = value;
+        value = [];
+        for (var i = 0; i < list.length; i++) value.push(v);
+    }
+    for (var i = first; i < list.length; i++) {
+        isHidden(list[i]).should.be.equal(!!value[i], 'position ' + i);
+    }
+}
+
+describe('L.Control.Layers.Tree', function() {
+    var should = chai.should();
+    this.timeout(5000);
+    var map;
+
+    beforeEach(function() {
+        map && map.remove();
+        //map = L.map(document.createElement('div'));
+        map = L.map('mapA');
+        document.body.appendChild(map._container);
+    });
+    afterEach(function() {
+        //map.remove();
+    });
+
+    describe('Functions in place', function() {
+        beforeEach(function() {
+            map.setView([0, 0], 14);
+        });
+
+        it('L.Control.Layers.Tree has correct func', function() {
+            L.control.layers.tree.should.be.a('function');
+        });
+        it('L.control.layers.tree object creation', function() {
+            var t = L.control.layers.tree();
+            t.should.be.a('object');
+        });
+    });
+
+
+    describe('Disabled functions', function() {
+        var t = L.control.layers.tree();
+        var methods = [t.addBaseLayer, t.addOverlay, t.removeLayer];
+        methods.forEach(function(method) {
+            (function() {
+                method();
+            }).should.throw(method.name + ' is disabled');
+        });
+    });
+
+    describe('Simple base tests', function() {
+        beforeEach(function() {
+            map.setView([0, 0], 14);
+        });
+
+        it('they are there', function() {
+            var ctl = L.control.layers.tree(baseTree1(), null,
+                {collapsed: false}).addTo(map);
+            var inputs = map._container.querySelectorAll('.leaflet-control-layers-base input');
+            inputs.length.should.be.equal(5);
+            var headers = map._container.querySelectorAll('.leaflet-control-layers-base .leaflet-layerstree-header');
+            headers.length.should.be.equal(7);
+            checkHidden(headers, false, 0);
+            ctl.collapseTree();
+            checkHidden(headers, true, 1);
+        });
+        it('they are accessible on mouseover', function() {
+            var ctrl = L.control.layers.tree(baseTree1()).addTo(map);
+            var inputs = map._container.querySelectorAll('.leaflet-control-layers-base input');
+            inputs.length.should.be.equal(5);
+            var headers = map._container.querySelectorAll('.leaflet-control-layers-base .leaflet-layerstree-header');
+            headers.length.should.be.equal(7);
+
+            // Nothing visible because the control is collapsed
+            checkHidden(inputs, true, 0);
+            checkHidden(headers, true, 0);
+
+            // mouse over the control to show it.
+            happen.once(ctrl._container, {type: 'mouseover'});
+            checkHidden(inputs, false, 0);
+            checkHidden(headers, false, 0);
+            // Hi, let it as you found it.
+            happen.once(ctrl._container, {type: 'mouseout'});
+        });
+    });
+
+    describe('Simple base tests with array', function() {
+        beforeEach(function() {
+            map.setView([0, 0], 14);
+        });
+
+        it('they are accessible on mouseover', function() {
+            var ctrl = L.control.layers.tree(baseArray1()).addTo(map);
+            var inputs = map._container.querySelectorAll('.leaflet-control-layers-base input');
+            inputs.length.should.be.equal(5);
+            var headers = map._container.querySelectorAll('.leaflet-control-layers-base .leaflet-layerstree-header');
+            headers.length.should.be.equal(7); // The root is hidden, but it is there
+
+            // Nothing visible because the control is collapsed
+            checkHidden(inputs, true, 0);
+            checkHidden(headers, true, 0);
+
+            // mouse over the control to show it.
+            happen.once(ctrl._container, {type: 'mouseover'});
+            checkHidden(inputs, false, 0);
+            checkHidden(headers, false, 1);
+            checkHidden(headers, [1, 0, 0, 0, 0, 0, 0], 0); // see, root is hidden!
+            // Hi, let it as you found it.
+            happen.once(ctrl._container, {type: 'mouseout'});
+        });
+    });
+
+    describe('Simple overlays tests', function() {
+        beforeEach(function() {
+            map.setView([0, 0], 1);
+        });
+
+        it('they are there', function() {
+            var ctl = L.control.layers.tree(null, overlaysTree1(),
+                {collapsed: false}).addTo(map);
+            var inputs = map._container.querySelectorAll('.leaflet-control-layers-overlays input');
+            inputs.length.should.be.equal(5);
+            var headers = map._container.querySelectorAll('.leaflet-control-layers-overlays .leaflet-layerstree-header');
+            headers.length.should.be.equal(7);
+            checkHidden(headers, false, 0);
+            ctl.collapseTree(true);
+            checkHidden(headers, true, 1);
+        });
+        it('they are accessible on mouseover', function() {
+            var ctrl = L.control.layers.tree(null, overlaysTree1()).addTo(map);
+            var inputs = map._container.querySelectorAll('.leaflet-control-layers-overlays input');
+            inputs.length.should.be.equal(5);
+            var headers = map._container.querySelectorAll('.leaflet-control-layers-overlays .leaflet-layerstree-header');
+            headers.length.should.be.equal(7);
+
+            // Nothing visible because the control is collapsed
+            checkHidden(inputs, true, 0);
+            checkHidden(headers, true, 0);
+
+            // mouse over the control to show it.
+            happen.once(ctrl._container, {type: 'mouseover'});
+            checkHidden(inputs, false, 0);
+            checkHidden(headers, false, 0);
+            // Hi, let it as you found it.
+            happen.once(ctrl._container, {type: 'mouseout'});
+        });
+    });
+
+    describe('Simple overlays array tests', function() {
+        beforeEach(function() {
+            map.setView([0, 0], 1);
+        });
+
+        it('they are accessible on mouseover', function() {
+            var ctrl = L.control.layers.tree(null, overlaysArray1()).addTo(map);
+            var inputs = map._container.querySelectorAll('.leaflet-control-layers-overlays input');
+            inputs.length.should.be.equal(5);
+            var headers = map._container.querySelectorAll('.leaflet-control-layers-overlays .leaflet-layerstree-header');
+            headers.length.should.be.equal(7);
+
+            // Nothing visible because the control is collapsed
+            checkHidden(inputs, true, 0);
+            checkHidden(headers, true, 0);
+
+            // mouse over the control to show it.
+            happen.once(ctrl._container, {type: 'mouseover'});
+            checkHidden(inputs, false, 0);
+            checkHidden(headers, false, 1);
+            checkHidden(headers, [1, 0, 0, 0, 0, 0, 0], 0);
+            // Hi, let it as you found it.
+            happen.once(ctrl._container, {type: 'mouseout'});
+        });
+    });
+
+    describe('Collapsed nodes', function() {
+        beforeEach(function() {
+            map.setView([0, 0], 14);
+        });
+
+        it('all collapsed', function() {
+            var ctrl = L.control.layers.tree(null, overlaysArraySelectAll(true, true), {collapsed: false}).addTo(map);
+            var inputs = map._container.querySelectorAll('.leaflet-control-layers-overlays input');
+            inputs.length.should.be.equal(9);
+            var headers = map._container.querySelectorAll('.leaflet-control-layers-overlays .leaflet-layerstree-header');
+            headers.length.should.be.equal(10); // The root is hidden, but it is there
+
+            checkHidden(inputs, [0, 0, 0, 1, 1, 1, 1, 1, 0], 0);
+            checkHidden(headers, [1, 0, 0, 0, 1, 1, 1, 1, 1, 0], 0);
+
+            happen.click(headers[3]);
+            checkHidden(headers, [1, 0, 0, 0, 0, 0, 0, 1, 1, 0], 0);
+        });
+        it('inner collapsed', function() {
+            var ctrl = L.control.layers.tree(null, overlaysArraySelectAll(false, true), {collapsed: false}).addTo(map);
+            var inputs = map._container.querySelectorAll('.leaflet-control-layers-overlays input');
+            inputs.length.should.be.equal(9);
+            var headers = map._container.querySelectorAll('.leaflet-control-layers-overlays .leaflet-layerstree-header');
+            headers.length.should.be.equal(10); // The root is hidden, but it is there
+
+            checkHidden(headers, [1, 0, 0, 0, 0, 0, 0, 1, 1, 0], 0);
+        });
+        it('outer collapsed', function() {
+            var ctrl = L.control.layers.tree(null, overlaysArraySelectAll(true, false), {collapsed: false}).addTo(map);
+            var inputs = map._container.querySelectorAll('.leaflet-control-layers-overlays input');
+            inputs.length.should.be.equal(9);
+            var headers = map._container.querySelectorAll('.leaflet-control-layers-overlays .leaflet-layerstree-header');
+            headers.length.should.be.equal(10); // The root is hidden, but it is there
+
+            checkHidden(inputs, [0, 0, 0, 1, 1, 1, 1, 1, 0], 0);
+            checkHidden(headers, [1, 0, 0, 0, 1, 1, 1, 1, 1, 0], 0);
+
+            happen.click(headers[3]);
+            checkHidden(headers, [1, 0, 0, 0, 0, 0, 0, 0, 0, 0], 0);
+        });
+    });
+
+    describe('EventedClasses', function() {
+        beforeEach(function() {
+            map.setView([0, 0], 14);
+        });
+
+        it('select all 1', function() {
+            var ctl = L.control.layers.tree(null, overlaysArrayEventedClasses(), {collapsed: false}).addTo(map);
+            var headers = map._container.querySelectorAll('.leaflet-layerstree-header');
+
+            headers[3].parentElement.querySelectorAll('input').length.should.be.equal(4);
+            headers[3].parentElement.querySelectorAll('input:checked').length.should.be.equal(0);
+
+            happen.click(headers[3].querySelector('.sel'));
+            map._layers[L.Util.stamp(markerA)].should.be.equal(markerA);
+            map._layers[L.Util.stamp(markerC)].should.be.equal(markerC);
+            should.not.exist(map._layers[L.Util.stamp(markerB)]);
+            headers[3].parentElement.querySelectorAll('input:checked').length.should.be.equal(4);
+            ctl.getContainer().parentElement.querySelectorAll('input:checked').length.should.be.equal(4);
+        });
+
+        it('deselect all 1', function() {
+            var ctl = L.control.layers.tree(null, overlaysArrayEventedClasses(), {collapsed: false}).addTo(map);
+            var headers = map._container.querySelectorAll('.leaflet-layerstree-header');
+
+            headers[3].parentElement.querySelectorAll('input').length.should.be.equal(4);
+            headers[3].parentElement.querySelectorAll('input:checked').length.should.be.equal(0);
+
+            happen.click(headers[3].querySelector('.sel'));
+            headers[3].parentElement.querySelectorAll('input:checked').length.should.be.equal(4);
+
+            happen.click(headers[3].querySelector('.unsel'));
+            should.not.exist(map._layers[L.Util.stamp(markerA)]);
+            should.not.exist(map._layers[L.Util.stamp(markerC)]);
+            should.not.exist(map._layers[L.Util.stamp(markerB)]);
+            headers[3].parentElement.querySelectorAll('input:checked').length.should.be.equal(0);
+            ctl.getContainer().parentElement.querySelectorAll('input:checked').length.should.be.equal(0);
+        });
+
+        it('select all 2', function() {
+            var ctl = L.control.layers.tree(null, overlaysArrayEventedClasses(), {collapsed: false}).addTo(map);
+            var headers = map._container.querySelectorAll('.leaflet-layerstree-header');
+
+            headers[6].parentElement.querySelectorAll('input').length.should.be.equal(2);
+            headers[6].parentElement.querySelectorAll('input:checked').length.should.be.equal(0);
+
+            happen.click(headers[6].querySelector('.sel'));
+            map._layers[L.Util.stamp(markerC)].should.be.equal(markerC);
+            should.not.exist(map._layers[L.Util.stamp(markerA)]);
+            should.not.exist(map._layers[L.Util.stamp(markerB)]);
+            headers[6].parentElement.querySelectorAll('input:checked').length.should.be.equal(2);
+            ctl.getContainer().parentElement.querySelectorAll('input:checked').length.should.be.equal(2);
+        });
+
+        it('deselect all 2', function() {
+            var ctl = L.control.layers.tree(null, overlaysArrayEventedClasses(), {collapsed: false}).addTo(map);
+            var headers = map._container.querySelectorAll('.leaflet-layerstree-header');
+
+            headers[6].parentElement.querySelectorAll('input').length.should.be.equal(2);
+            headers[6].parentElement.querySelectorAll('input:checked').length.should.be.equal(0);
+
+            happen.click(headers[6].querySelector('.sel'));
+            headers[6].parentElement.querySelectorAll('input:checked').length.should.be.equal(2);
+
+            happen.click(headers[6].querySelector('.unsel'));
+            should.not.exist(map._layers[L.Util.stamp(markerA)]);
+            should.not.exist(map._layers[L.Util.stamp(markerC)]);
+            should.not.exist(map._layers[L.Util.stamp(markerB)]);
+            headers[6].parentElement.querySelectorAll('input:checked').length.should.be.equal(0);
+            ctl.getContainer().parentElement.querySelectorAll('input:checked').length.should.be.equal(0);
+        });
+
+        it('select unselect callbacks', function() {
+            function callbackSel(ev, domNode, treeNode, map) {
+                ev.type.should.be.equal('click');
+                domNode.querySelectorAll('input').length.should.be.equal(4);
+                treeNode.children.length.should.be.equal(3);
+                should.exist(map);
+                return true;
+            }
+
+            function callbackUnsel(ev, domNode, treeNode, map) {
+                ev.type.should.be.equal('click');
+                domNode.querySelectorAll('input').length.should.be.equal(4);
+                treeNode.children.length.should.be.equal(3);
+                should.exist(map);
+                return false;
+            }
+
+            var ctl = L.control.layers.tree(null, overlaysArrayEventedClasses(callbackSel, callbackUnsel), {collapsed: false}).addTo(map);
+            var headers = map._container.querySelectorAll('.leaflet-layerstree-header');
+
+            headers[3].parentElement.querySelectorAll('input').length.should.be.equal(4);
+            headers[3].parentElement.querySelectorAll('input:checked').length.should.be.equal(0);
+
+            happen.click(headers[3].querySelector('.sel'));
+            headers[3].parentElement.querySelectorAll('input:checked').length.should.be.equal(4);
+
+            happen.click(headers[3].querySelector('.unsel'));
+            headers[3].parentElement.querySelectorAll('input:checked').length.should.be.equal(0);
+        });
+
+        it('selector toggle', function() {
+            function callback(ev, domNode, treeNode, map) {
+                var noneSelected = domNode.querySelectorAll('input:checked').length === 0;
+                return noneSelected;
+            }
+
+            var ctl = L.control.layers.tree(null, overlaysArrayEventedClasses(callback, callback), {collapsed: false}).addTo(map);
+            var headers = map._container.querySelectorAll('.leaflet-layerstree-header');
+
+            headers[3].parentElement.querySelectorAll('input').length.should.be.equal(4);
+            headers[3].parentElement.querySelectorAll('input:checked').length.should.be.equal(0);
+
+            happen.click(headers[3].querySelector('.sel'));
+            headers[3].parentElement.querySelectorAll('input:checked').length.should.be.equal(4);
+            happen.click(headers[3].querySelector('.sel'));
+            headers[3].parentElement.querySelectorAll('input:checked').length.should.be.equal(0);
+
+            happen.click(headers[5].querySelector('input'));
+            headers[3].parentElement.querySelectorAll('input:checked').length.should.be.equal(1);
+
+            happen.click(headers[3].querySelector('.sel'));
+            headers[3].parentElement.querySelectorAll('input:checked').length.should.be.equal(0);
+            happen.click(headers[3].querySelector('.sel'));
+            headers[3].parentElement.querySelectorAll('input:checked').length.should.be.equal(4);
+        });
+    });
+
+    describe('SelectAll', function() {
+        beforeEach(function() {
+            map.setView([0, 0], 2);
+        });
+
+        it('selector toggle', function() {
+            function shouldbe(mA, mB, mC) {
+                function checkit(layer, present) {
+                    if (present) {
+                        map._layers[L.Util.stamp(layer)].should.be.equal(layer);
+                    } else {
+                        should.not.exist(map._layers[L.Util.stamp(layer)]);
+                    }
+                }
+                checkit(markerA, mA);
+                checkit(markerB, mB);
+                checkit(markerC, mC);
+            }
+
+            var ctl = L.control.layers.tree(null, overlaysArraySelectAll(), {collapsed: false}).addTo(map);
+            var headers = map._container.querySelectorAll('.leaflet-layerstree-header');
+            headers.length.should.be.equal(10);
+
+            headers[6].querySelector('input').title.should.be.equal('my title');
+
+            happen.click(headers[9].querySelector('input'));
+
+            headers[3].parentElement.querySelectorAll('input').length.should.be.equal(6);
+            headers[3].parentElement.querySelectorAll('input:checked').length.should.be.equal(0);
+
+            happen.click(headers[3].querySelector('input'));
+            headers[3].parentElement.querySelectorAll('input:checked').length.should.be.equal(6);
+            shouldbe(true, true, true);
+            happen.click(headers[3].querySelector('input'));
+            headers[3].parentElement.querySelectorAll('input:checked').length.should.be.equal(0);
+            shouldbe(false, true, false);
+
+            happen.click(headers[9].querySelector('input'));
+            shouldbe(false, false, false);
+
+            happen.click(headers[4].querySelector('input'));
+            headers[3].parentElement.querySelectorAll('input:checked').length.should.be.equal(1);
+            shouldbe(true, false, false);
+            headers[3].parentElement.querySelectorAll('input:indeterminate').length.should.be.equal(1);
+
+            happen.click(headers[3].querySelector('input'));
+            headers[3].parentElement.querySelectorAll('input:checked').length.should.be.equal(6);
+            shouldbe(true, false, true);
+            happen.click(headers[3].querySelector('input'));
+            headers[3].parentElement.querySelectorAll('input:checked').length.should.be.equal(0);
+            shouldbe(false, false, false);
+
+            happen.click(headers[6].querySelector('input'));
+            headers[3].parentElement.querySelectorAll('input:checked').length.should.be.equal(3);
+            headers[6].parentElement.querySelectorAll('input:checked').length.should.be.equal(3);
+            headers[3].parentElement.querySelectorAll('input:indeterminate').length.should.be.equal(1);
+            shouldbe(false, false, true);
+            happen.click(headers[3].querySelector('input'));
+            headers[3].parentElement.querySelectorAll('input:checked').length.should.be.equal(6);
+            shouldbe(true, false, true);
+        });
+        it('show if all selected or deselected', function() {
+            var ctl = L.control.layers.tree(null, overlaysArraySelectAll(), {collapsed: false}).addTo(map);
+            var headers = map._container.querySelectorAll('.leaflet-layerstree-header');
+            headers.length.should.be.equal(10);
+
+            headers[3].parentElement.querySelectorAll('input:checked').length.should.be.equal(0);
+            headers[3].parentElement.querySelectorAll('input:indeterminate').length.should.be.equal(0);
+            happen.click(headers[3].querySelector('input'));
+            headers[3].parentElement.querySelectorAll('input:checked').length.should.be.equal(6);
+            headers[3].parentElement.querySelectorAll('input:indeterminate').length.should.be.equal(0);
+
+            happen.click(headers[7].querySelector('input'));
+            headers[3].parentElement.querySelector('input').checked.should.be.false;
+            headers[3].parentElement.querySelector('input').indeterminate.should.be.true;
+            headers[6].parentElement.querySelector('input').checked.should.be.false;
+            headers[6].parentElement.querySelector('input').indeterminate.should.be.true;
+
+            happen.click(headers[7].querySelector('input'));
+            headers[3].parentElement.querySelector('input').checked.should.be.true;
+            headers[3].parentElement.querySelector('input').indeterminate.should.be.false;
+            headers[6].parentElement.querySelector('input').checked.should.be.true;
+            headers[6].parentElement.querySelector('input').indeterminate.should.be.false;
+
+            happen.click(headers[6].querySelector('input'));
+            headers[3].parentElement.querySelector('input').checked.should.be.false;
+            headers[3].parentElement.querySelector('input').indeterminate.should.be.true;
+            headers[6].parentElement.querySelector('input').checked.should.be.false;
+            headers[6].parentElement.querySelector('input').indeterminate.should.be.false;
+
+            happen.click(headers[6].querySelector('input'));
+            headers[3].parentElement.querySelector('input').checked.should.be.true;
+            headers[3].parentElement.querySelector('input').indeterminate.should.be.false;
+            headers[6].parentElement.querySelector('input').checked.should.be.true;
+            headers[6].parentElement.querySelector('input').indeterminate.should.be.false;
+
+            headers[3].parentElement.querySelectorAll('input:checked').length.should.be.equal(6);
+            headers[3].parentElement.querySelectorAll('input:indeterminate').length.should.be.equal(0);
+        });
+    });
+
+    describe('Select', function() {
+        beforeEach(function() {
+            map.setView([0, 0], 14);
+        });
+
+        it('sel layer B and A', function() {
+            var ctl = L.control.layers.tree(baseTree1(), null, {collapsed: false}).addTo(map);
+            var headers = map._container.querySelectorAll('.leaflet-control-layers-base .leaflet-layerstree-header');
+            headers.length.should.be.equal(7);
+            happen.click(headers[6].querySelector('label'));
+            map._layers[L.Util.stamp(layerB)].should.be.equal(layerB);
+            happen.click(headers[4].querySelector('label'));
+            map._layers[L.Util.stamp(layerA)].should.be.equal(layerA);
+        });
+
+        it('labelIsSelector', function() {
+            var ctl;
+            var counter = [0, 0, 0, 0];
+            ['both', 'base', 'overlay', 'none'].forEach(function(labelIsSelector) {
+                ctl && map.removeControl(ctl);
+                ctl = L.control.layers.tree(baseTree1(), overlaysArray1(), {collapsed: false, labelIsSelector: labelIsSelector}).addTo(map);
+                var headers = map._container.querySelectorAll('.leaflet-layerstree-header');
+                headers.length.should.be.equal(14);
+
+                if (labelIsSelector === 'both' || labelIsSelector === 'base') {
+                    happen.click(headers[6].querySelector('label'));
+                    map._layers[L.Util.stamp(layerB)].should.be.equal(layerB);
+                    counter[0]++;
+                } else {
+                    should.not.exist(headers[6].querySelector('label'));
+                    happen.click(headers[6].querySelector('input'));
+                    map._layers[L.Util.stamp(layerB)].should.be.equal(layerB);
+                    counter[1]++;
+                }
+
+                if (labelIsSelector === 'both' || labelIsSelector === 'overlay') {
+                    happen.click(headers[11].querySelector('label'));
+                    map._layers[L.Util.stamp(markerA)].should.be.equal(markerA);
+                    counter[2]++;
+                } else {
+                    should.not.exist(headers[11].querySelector('label'));
+                    happen.click(headers[11].querySelector('input'));
+                    map._layers[L.Util.stamp(markerA)].should.be.equal(markerA);
+                    counter[3]++;
+                }
+                map.removeLayer(layerB);
+                map.removeLayer(markerA);
+            });
+            chai.expect(counter).to.eql([2, 2, 2, 2]);
+        });
+    });
+
+    describe('Labels', function() {
+        beforeEach(function() {
+            map.setView([0, 0], 1);
+        });
+        it('labels base', function() {
+            var ctl = L.control.layers.tree(baseTree1(), null, {collapsed: false}).addTo(map);
+            var headers = map._container.querySelectorAll('.leaflet-control-layers-base .leaflet-layerstree-header');
+            headers[3].querySelector('.leaflet-layerstree-header-name').outerText.should.be.equal('Node 1');
+            headers[4].querySelector('.leaflet-layerstree-header-name').outerText.should.be.equal('Leaf 11');
+            headers[6].querySelector('.leaflet-layerstree-header-name').outerText.should.be.equal('Leaf three');
+        });
+    });
+
+    describe('Expand and collapse', function() {
+        beforeEach(function() {
+            map.setView([0, 0], 1);
+        });
+
+        it('Show only selected', function() {
+            var ctrl = L.control.layers.tree(baseTree1(), null, {collapsed: false}).addTo(map);
+            map.addLayer(layerB);
+            var headers = map._container.querySelectorAll('.leaflet-control-layers-base .leaflet-layerstree-header');
+            headers.length.should.be.equal(7);
+            checkHidden(headers, false, 0);
+            ctrl.collapseTree().expandSelected(false);
+            checkHidden(headers, [0, 0, 0, 0, 1, 1, 0], 0);
+        });
+
+        it('Collapse', function() {
+            var ctrl = L.control.layers.tree(baseTree1(), overlaysTree1(), {collapsed: false}).addTo(map);
+            map.addLayer(layerB);
+            var headers = map._container.querySelectorAll('.leaflet-layerstree-header');
+            headers.length.should.be.equal(14);
+            checkHidden(headers, false, 0);
+            ctrl.collapseTree();
+            checkHidden(headers, [0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0], 0);
+            ctrl.collapseTree(true);
+            checkHidden(headers, [0, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1], 0);
+        });
+
+        it('Expand', function() {
+            var ctrl = L.control.layers.tree(baseTree1(), overlaysTree1(), {collapsed: false}).addTo(map);
+            map.addLayer(layerB);
+            var headers = map._container.querySelectorAll('.leaflet-layerstree-header');
+            headers.length.should.be.equal(14);
+            checkHidden(headers, false, 0);
+            ctrl.collapseTree().collapseTree(true);
+            ctrl.expandTree();
+            checkHidden(headers, [0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1], 0);
+            ctrl.expandTree(true);
+            checkHidden(headers, 0, 0);
+        });
+    });
+
+    describe('Names', function() {
+        beforeEach(function() {
+            map.setView([0, 0], 1);
+        });
+        it('Named Toggle', function() {
+            var ctrl = L.control.layers.tree(baseTree1(), overlaysTree1(), {namedToggle: true}).addTo(map);
+            map.addLayer(layerB);
+            var toggle = map._container.querySelector('.leaflet-control-layers-toggle');
+            toggle.innerHTML.should.be.equal('Name Leaf three');
+            var inputs = map._container.querySelectorAll('.leaflet-control-layers-list input');
+            happen.click(inputs[0]);
+            toggle.innerHTML.should.be.equal('Name Leaf one');
+            happen.click(inputs[2]);
+            toggle.innerHTML.should.be.equal('Name Leaf 11');
+            happen.click(inputs[8]);
+            toggle.innerHTML.should.be.equal('Name Leaf 11');
+        });
+    });
+
+    describe('Symbols', function() {
+        beforeEach(function() {
+            map.setView([0, 0], 1);
+        });
+        it('Defaults', function() {
+            var ctrl = L.control.layers.tree(baseTree1(), overlaysTree1(), {collapsed: false}).addTo(map);
+            var items = map._container.querySelectorAll('.leaflet-layerstree-closed');
+            items.length.should.be.equal(14);
+            for (var i = 0; i < items.length; i++) {
+                items[i].innerHTML.should.be.equal('+');
+            }
+            items = map._container.querySelectorAll('.leaflet-layerstree-opened');
+            items.length.should.be.equal(14);
+            for (var i = 0; i < items.length; i++) {
+                items[i].innerHTML.should.be.equal('−');
+            }
+            items = map._container.querySelectorAll('.leaflet-layerstree-header-space');
+            items.length.should.be.equal(14);
+            for (var i = 0; i < items.length; i++) {
+                items[i].innerHTML.should.be.equal(' ');
+            }
+        });
+        it('Closed', function() {
+            var symbol = '^';
+            var ctrl = L.control.layers.tree(baseTree1(), overlaysTree1(), {collapsed: false, closedSymbol: symbol}).addTo(map);
+            map.addLayer(layerB);
+            var items = map._container.querySelectorAll('.leaflet-layerstree-closed');
+            items.length.should.be.equal(14);
+            for (var i = 0; i < items.length; i++) {
+                items[i].innerHTML.should.be.equal(symbol);
+            }
+        });
+        it('Opened', function() {
+            var symbol = 'v';
+            var ctrl = L.control.layers.tree(baseTree1(), overlaysTree1(), {collapsed: false, openedSymbol: symbol}).addTo(map);
+            var items = map._container.querySelectorAll('.leaflet-layerstree-opened');
+            items.length.should.be.equal(14);
+            for (var i = 0; i < items.length; i++) {
+                items[i].innerHTML.should.be.equal(symbol);
+            }
+        });
+        it('Space', function() {
+            var symbol = '_*_';
+            var ctrl = L.control.layers.tree(baseTree1(), overlaysTree1(), {collapsed: false, spaceSymbol: symbol}).addTo(map);
+            var items = map._container.querySelectorAll('.leaflet-layerstree-header-space');
+            items.length.should.be.equal(14);
+            for (var i = 0; i < items.length; i++) {
+                items[i].innerHTML.should.be.equal(symbol);
+            }
+        });
+    });
+
+    describe('Selector back', function() {
+        beforeEach(function() {
+            map.setView([0, 0], 1);
+        });
+        it('Default', function() {
+            var ctrl = L.control.layers.tree(baseTree1(), overlaysTree1(), {collapsed: false}).addTo(map);
+            var headers = map._container.querySelectorAll('.leaflet-layerstree-header');
+            headers.length.should.be.equal(14);
+            for (var h = 0; h < headers.length; h++) {
+                var things = [];
+                var keys = ['closed', 'opened', 'space', 'label']
+                var items = headers[h].querySelectorAll('span, label, div');
+                for (var i = 0; i < items.length; i++) {
+                    keys.forEach(function(key) {
+                        if (items[i].className.indexOf(key) > 0) {
+                            things.push(key);
+                        }
+                    });
+                }
+                things[2].should.be.equal('space');
+                things[3].should.be.equal('label');
+            }
+        });
+
+        it('Back', function() {
+            var ctrl = L.control.layers.tree(baseTree1(), overlaysTree1(), {collapsed: false, selectorBack: true}).addTo(map);
+            var headers = map._container.querySelectorAll('.leaflet-layerstree-header');
+            headers.length.should.be.equal(14);
+            for (var h = 0; h < headers.length; h++) {
+                var things = [];
+                var keys = ['closed', 'opened', 'space', 'label']
+                var items = headers[h].querySelectorAll('span, label, div');
+                for (var i = 0; i < items.length; i++) {
+                    keys.forEach(function(key) {
+                        if (items[i].className.indexOf(key) > 0) {
+                            things.push(key);
+                        }
+                    });
+                }
+                things[1].should.be.equal('space');
+                things[0].should.be.equal('label');
+            }
+        });
+    });
+
+    describe('Expand and collapse all', function() {
+        beforeEach(function() {
+            map.setView([0, 0], 1);
+        });
+        it('expandAll', function() {
+            var ctrl = L.control.layers.tree(baseTree1(), overlaysTree1(), {collapsed: false, expandAll: 'exp'}).addTo(map);
+            ctrl.collapseTree().collapseTree(true);
+            var headers = map._container.querySelectorAll('.leaflet-layerstree-header');
+            headers.length.should.be.equal(14);
+            checkHidden(headers, [0, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1], 0);
+            var ct = map._container.querySelectorAll('.leaflet-layerstree-expand-collapse');
+            ct.length.should.be.equal(2);
+            happen.click(ct[0]);
+            checkHidden(headers, [0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1], 0);
+            happen.click(ct[1]);
+            checkHidden(headers, false, 0);
+        });
+        it('collapseAll', function() {
+            var ctrl = L.control.layers.tree(baseTree1(), overlaysTree1(), {collapsed: false, collapseAll: 'col'}).addTo(map);
+            ctrl.expandTree().expandTree(true);
+            var headers = map._container.querySelectorAll('.leaflet-layerstree-header');
+            headers.length.should.be.equal(14);
+            checkHidden(headers, false, 0);
+            var ct = map._container.querySelectorAll('.leaflet-layerstree-expand-collapse');
+            ct.length.should.be.equal(2);
+            happen.click(ct[0]);
+            checkHidden(headers, [0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0], 0);
+            happen.click(ct[1]);
+            checkHidden(headers, [0, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1], 0);
+        });
+        it('Empties', function() {
+            var ctrl = L.control.layers.tree(baseTree1(), overlaysTree1(), {collapsed: false, collapseAll: '', expandAll: ''}).addTo(map);
+            var ct = map._container.querySelectorAll('.leaflet-layerstree-expand-collapse');
+            ct.length.should.be.equal(0);
+        });
+        it('All', function() {
+            var ctrl = L.control.layers.tree(baseTree1(), overlaysTree1(), {collapsed: false, collapseAll: 'col', expandAll: 'exp'}).addTo(map);
+            var ct = map._container.querySelectorAll('.leaflet-layerstree-expand-collapse');
+            ct.length.should.be.equal(4);
+        });
+        it('Arrays', function() {
+            var ctrl = L.control.layers.tree(baseArray1(), overlaysArray1(), {collapsed: false, collapseAll: 'col'}).addTo(map);
+            var ct = map._container.querySelectorAll('.leaflet-layerstree-expand-collapse');
+            var headers = map._container.querySelectorAll('.leaflet-layerstree-header');
+            headers.length.should.be.equal(14);
+            checkHidden(headers, [1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0], 0);
+            var ct = map._container.querySelectorAll('.leaflet-layerstree-expand-collapse');
+            ct.length.should.be.equal(2);
+            happen.click(ct[0]);
+            checkHidden(headers, [1, 0, 0, 0, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0], 0);
+            happen.click(ct[1]);
+            checkHidden(headers, [1, 0, 0, 0, 1, 1, 0, 1, 0, 0, 0, 1, 1, 0], 0);
+        });
+    });
+
+    describe('Reset trees', function() {
+        beforeEach(function() {
+            map.setView([0, 0], 1);
+        });
+        it('case 1', function() {
+            var ctl = L.control.layers.tree(baseArray2(), null, {collapsed: false}).addTo(map);
+            map.addLayer(layerB);
+            map._layers[L.Util.stamp(layerB)].should.be.equal(layerB);
+            var headers = map._container.querySelectorAll('.leaflet-control-layers-base .leaflet-layerstree-header');
+            headers.length.should.be.equal(3); // including the hidden root
+            ctl.setBaseTree(baseTree1());
+            map._layers[L.Util.stamp(layerB)].should.be.equal(layerB);
+
+            headers = map._container.querySelectorAll('.leaflet-layerstree-header');
+            headers.length.should.be.equal(7)
+            happen.click(headers[4].querySelector('label'));
+            map._layers[L.Util.stamp(layerA)].should.be.equal(layerA);
+        });
+        it('case 2', function() {
+            var ctl = L.control.layers.tree(baseArray2(), overlaysTree1(), {collapsed: false}).addTo(map);
+            map.addLayer(layerB);
+            map._layers[L.Util.stamp(layerB)].should.be.equal(layerB);
+            var headers = map._container.querySelectorAll('.leaflet-control-layers-base .leaflet-layerstree-header');
+            headers.length.should.be.equal(3); // including the hidden root
+            ctl.setBaseTree(baseTree1());
+            map._layers[L.Util.stamp(layerB)].should.be.equal(layerB);
+
+            headers = map._container.querySelectorAll('.leaflet-layerstree-header');
+            headers.length.should.be.equal(14)
+        });
+        it('case 3', function() {
+            var ctl = L.control.layers.tree(baseTree1(), overlaysTree1(), {collapsed: false}).addTo(map);
+            map.addLayer(layerB);
+            map.addLayer(markerA);
+            map._layers[L.Util.stamp(layerB)].should.be.equal(layerB);
+            map._layers[L.Util.stamp(markerA)].should.be.equal(markerA);
+            var headers = map._container.querySelectorAll('.leaflet-layerstree-header');
+            headers.length.should.be.equal(14);
+            var inputs = map._container.querySelectorAll('.leaflet-layerstree-header input');
+            inputs.length.should.be.equal(10);
+            inputs[4].checked.should.be.true;
+            inputs[7].checked.should.be.true;
+
+            ctl.setBaseTree(baseArray2());
+            map._layers[L.Util.stamp(layerB)].should.be.equal(layerB);
+            map._layers[L.Util.stamp(markerA)].should.be.equal(markerA);
+
+            headers = map._container.querySelectorAll('.leaflet-layerstree-header');
+            headers.length.should.be.equal(10)
+            inputs = map._container.querySelectorAll('.leaflet-layerstree-header input');
+            inputs.length.should.be.equal(7);
+            inputs[1].checked.should.be.true;
+            inputs[4].checked.should.be.true;
+
+            ctl.setOverlayTree(overlaysArray2());
+            map._layers[L.Util.stamp(layerB)].should.be.equal(layerB);
+            map._layers[L.Util.stamp(markerA)].should.be.equal(markerA);
+
+            headers = map._container.querySelectorAll('.leaflet-layerstree-header');
+            headers.length.should.be.equal(6)
+            inputs = map._container.querySelectorAll('.leaflet-layerstree-header input');
+            inputs.length.should.be.equal(4);
+            inputs[1].checked.should.be.true;
+            inputs[2].checked.should.be.true;
+        });
+        it('case 4', function() {
+            var ctl = L.control.layers.tree(baseTree1(), overlaysTree1(), {collapsed: false}).addTo(map);
+            map.addLayer(layerB);
+            map.addLayer(markerO);
+            map._layers[L.Util.stamp(layerB)].should.be.equal(layerB);
+            map._layers[L.Util.stamp(markerO)].should.be.equal(markerO);
+
+            ctl.setOverlayTree(overlaysArray2());
+            map._layers[L.Util.stamp(layerB)].should.be.equal(layerB);
+            map._layers[L.Util.stamp(markerO)].should.be.equal(markerO);
+
+            var inputs = map._container.querySelectorAll('.leaflet-layerstree-header input');
+            inputs.length.should.be.equal(7);
+            inputs[5].checked.should.be.false;
+            inputs[6].checked.should.be.false;
+        });
+    });
+});
diff --git a/j4/pkg_agosms/src/media/mod_agosmsmt/js/agosmsmt.js b/j4/pkg_agosms/src/media/mod_agosmsmt/js/agosmsmt.js
index c0e56457..934963f9 100644
--- a/j4/pkg_agosms/src/media/mod_agosmsmt/js/agosmsmt.js
+++ b/j4/pkg_agosms/src/media/mod_agosmsmt/js/agosmsmt.js
@@ -18,7 +18,7 @@ document.addEventListener('DOMContentLoaded', function () {
 		var fullscreen = element.getAttribute('data-fullscreen');
 		var locate = element.getAttribute('data-locate');
 		var mouseposition = element.getAttribute('data-mouseposition');
-
+ 
 		var uriroot = element.getAttribute('data-uriroot');
 		var scrollwheelzoom = element.getAttribute('data-scrollwheelzoom');
 		var noWorldWarp = element.getAttribute('data-no-world-warp');
@@ -247,7 +247,7 @@ document.addEventListener('DOMContentLoaded', function () {
 		//
 		var baseMaps = {
 			"Karte": tileLayer,
-			"Sattelit": tileLayer2
+			"Satellit": tileLayer2
 		};
 		L.control.layers(baseMaps).addTo(window['mymap' + moduleId]);
 
@@ -296,7 +296,7 @@ document.addEventListener('DOMContentLoaded', function () {
 									L.popup({
 										className: 'popup-fixed',
 										autoPan: false,
-									}).setContent(feature.properties.link_desc)
+									}).setContent('<a href="' + feature.properties.route + '">' + feature.properties.link_name + '</a>' + feature.properties.link_desc)
 								)
 								.addTo(catOverlays[arrCat]);
 
@@ -384,19 +384,31 @@ document.addEventListener('DOMContentLoaded', function () {
 			L.control.mousePosition().addTo(window['mymap' + moduleId]);
 		}
 
-
-
-
 		if (moveForm == "1") {
 
 			// Suche in rechte Seitenleiste verschieben
 			var thismap = document.querySelector('#map' + moduleId);
+
 			var agosmsMtFormLayer = document.getElementById("agosms-mt-form-layer" + moduleId);
 			var agosmsMtFormRadius = document.getElementById("agosms-mt-form-radius" + moduleId);
+			var agosmsMtLocate = document.getElementById("agosms-mt-locate" + moduleId);
+			var agosmsMtLocateText = document.getElementById("agosms-mt-locate-text" + moduleId);
+
 			var clayer = thismap.querySelector(".leaflet-control-layers-expanded");
 			var cradius = thismap.querySelector(".leaflet-control-radiuszoom");
-			setParent(clayer, agosmsMtFormLayer);
-			setParent(cradius, agosmsMtFormRadius);
+			var clocate = thismap.querySelector(".leaflet-control-locate");
+
+			if (clocate && agosmsMtLocate && agosmsMtLocateText) {
+				agosmsMtLocateText.innerHTML = "Wo bin ich? ";
+				setParent(clocate, agosmsMtLocate);
+			}
+			if (clayer && agosmsMtFormLayer) {
+				setParent(clayer, agosmsMtFormLayer);
+			}
+			if (cradius && agosmsMtFormRadius) {
+				setParent(cradius, agosmsMtFormRadius);
+			}
+
 			function setParent(el, newParent) {
 				if (el)
 					newParent.appendChild(el);
diff --git a/j4/pkg_agosms/src/media/plg_fields_agosmsaddressmarker/js/admin-agosmsaddressmarker.js b/j4/pkg_agosms/src/media/plg_fields_agosmsaddressmarker/js/admin-agosmsaddressmarker.js
index 84f83dd1..10ac81e4 100644
--- a/j4/pkg_agosms/src/media/plg_fields_agosmsaddressmarker/js/admin-agosmsaddressmarker.js
+++ b/j4/pkg_agosms/src/media/plg_fields_agosmsaddressmarker/js/admin-agosmsaddressmarker.js
@@ -1,5 +1,5 @@
 document.addEventListener('DOMContentLoaded', function () {
-	document.formvalidator.setHandler('lat', function(value) {
+/*	document.formvalidator.setHandler('lat', function(value) {
 		if (value == 0) {
 			return true;
 		}
@@ -16,11 +16,11 @@ document.addEventListener('DOMContentLoaded', function () {
 			document.getElementById("addressmarker-alert-latlon").style.display = "block";
 		}
 		return test;
-	});
+	});*/
 });
 
 document.addEventListener('DOMContentLoaded', function () {
-	document.formvalidator.setHandler('lon', function(value) {
+/*	document.formvalidator.setHandler('lon', function(value) {
 		if (value == 0) {
 			return true;
 		}
@@ -37,7 +37,7 @@ document.addEventListener('DOMContentLoaded', function () {
 			document.getElementById("addressmarker-alert-latlon").style.display = "block";
 		}
 		return test;
-	});
+	});*/
 });
 
 
@@ -69,13 +69,17 @@ document.addEventListener('DOMContentLoaded', function () {
 		}
 
 		var selects = element.getElementsByTagName('select');
+
 		var iconcolor = selects[0];
 		var markercolor = selects[1];
 		var icon = selects[2];
-		var iconcolorSpan = iconcolor.parentNode.getElementsByTagName('span')[0];
-		var markercolorSpan = markercolor.parentNode.getElementsByTagName('span')[0];
-		var iconSpan = icon.parentNode.getElementsByTagName('span')[0];
 
+		var iconcolorSpan = iconcolor.parentNode.getElementsByTagName('option')[0];
+		var markercolorSpan = markercolor.parentNode.getElementsByTagName('option')[0];
+		var iconSpan = icon.parentNode.getElementsByTagName('option')[0];
+
+		console.log(markercolor);
+		console.log(markercolorSpan);
 
 		// Write the value to the fields
 		if (hiddenfield.value.split(',').length !== 6) {
diff --git a/j4/pkg_agosms/src/modules/mod_agosm/language/de-DE/de-DE.mod_agosm.ini b/j4/pkg_agosms/src/modules/mod_agosm/language/de-DE/mod_agosm.ini
similarity index 98%
rename from j4/pkg_agosms/src/modules/mod_agosm/language/de-DE/de-DE.mod_agosm.ini
rename to j4/pkg_agosms/src/modules/mod_agosm/language/de-DE/mod_agosm.ini
index 3b0b204c..633c7481 100644
--- a/j4/pkg_agosms/src/modules/mod_agosm/language/de-DE/de-DE.mod_agosm.ini
+++ b/j4/pkg_agosms/src/modules/mod_agosm/language/de-DE/mod_agosm.ini
@@ -127,6 +127,8 @@ MOD_AGOSM_DISABLECLUSTERATZOOM="Cluster/Gruppierung ab Zoomlevel"
 MOD_AGOSM_DISABLECLUSTERATZOOM_DESC="0: Kein Cluster, 20: Immer Cluster".
 MOD_AGOSM_BASELAYER="Kartenstil"
 MOD_AGOSM_BASELAYER_DESC="Mapnik ist der Standard-Stil von OpenStreetMap."
+MOD_AGOSM_ADDLAYERTREE="Ergänze Auswahlmöglichkeit Satellit"
+MOD_AGOSM_ADDLAYERTREE_DESC="Ergänze Auswahlmöglichkeit Satellit (Esri_WorldImagery) im Frontend"
 MOD_AGOSM_CUSTOMBASELAYER="Benutzerdefinierter Kartenstil"
 MOD_AGOSM_CUSTOMBASELAYER_DESC="Nur wenn 'Custom' als Kartenstil gewählt wurde. Wer liefert den Kartenstil (Kacheln)?"
 MOD_AGOSM_CUSTOMBASELAYERURL="Tile Server URL"
@@ -186,7 +188,7 @@ MOD_AGOSM_ONE_MARKER_FROM_COMPONENT_FIELDSETDESCRIPTION="Dieser Marker ist nicht
 MOD_AGOSM_H_PINCF="Pins zu Artikel anzeigen"
 MOD_AGOSM_CONFIG_CONTROL_SHOWCUSTOMFIELDPIN_DESC="Möchten Sie einen Pin zu einem Artikel anzeigen?"
 MOD_AGOSM_CONFIG_CONTROL_SHOWCUSTOMFIELDPIN_LABEL="Pin zu Artikel anzeigen"
-MOD_AGOSM_H_PINCF_FIELDSETDESCRIPTION="Möchten Sie einen Marker auf einer Karte anzeigen, die einen Link zu einem Beitrag enthält? Weitere Informationen: https://github.com/astridx/pkg_agosms#custom-field-of-the-type-text or https://github.com/astridx/pkg_agosms#custom-field-agosmsmarker"
+MOD_AGOSM_H_PINCF_FIELDSETDESCRIPTION="Do you want to display a marker on a map that contains a link to an article post? For this you need to add a custom field from this package."
 
 ; Upload
 COM_MODULES_UPLOAD_FIELDSET_LABEL="Upload"
diff --git a/j4/pkg_agosms/src/modules/mod_agosm/language/de-DE/de-DE.mod_agosm.sys.ini b/j4/pkg_agosms/src/modules/mod_agosm/language/de-DE/mod_agosm.sys.ini
similarity index 100%
rename from j4/pkg_agosms/src/modules/mod_agosm/language/de-DE/de-DE.mod_agosm.sys.ini
rename to j4/pkg_agosms/src/modules/mod_agosm/language/de-DE/mod_agosm.sys.ini
diff --git a/j4/pkg_agosms/src/modules/mod_agosm/language/en-GB/en-GB.mod_agosm.ini b/j4/pkg_agosms/src/modules/mod_agosm/language/en-GB/mod_agosm.ini
similarity index 99%
rename from j4/pkg_agosms/src/modules/mod_agosm/language/en-GB/en-GB.mod_agosm.ini
rename to j4/pkg_agosms/src/modules/mod_agosm/language/en-GB/mod_agosm.ini
index fb71ae57..84ab7fda 100644
--- a/j4/pkg_agosms/src/modules/mod_agosm/language/en-GB/en-GB.mod_agosm.ini
+++ b/j4/pkg_agosms/src/modules/mod_agosm/language/en-GB/mod_agosm.ini
@@ -129,6 +129,8 @@ MOD_AGOSM_DISABLECLUSTERATZOOM="Cluster/Gruppierung ab Zoomlevel"
 MOD_AGOSM_DISABLECLUSTERATZOOM_DESC="0: Kein Cluster, 20: Immer Cluster".
 MOD_AGOSM_BASELAYER="Map style"
 MOD_AGOSM_BASELAYER_DESC="Mapnik is the default style of OpenStreetMap."
+MOD_AGOSM_ADDLAYERTREE="Add satellite selection option"
+MOD_AGOSM_ADDLAYERTREE_DESC="Add satellite (Esri_WorldImagery) selection option in Frontend"
 MOD_AGOSM_CUSTOMBASELAYER="Custom map style"
 MOD_AGOSM_CUSTOMBASELAYER_DESC="Only if choosed 'custom' as map style. Who delivers the map style (tiles)?"
 MOD_AGOSM_CUSTOMBASELAYERURL="Tile server URL"
@@ -188,7 +190,7 @@ MOD_AGOSM_ONE_MARKER_FROM_COMPONENT_FIELDSETDESCRIPTION="This marker is not in a
 MOD_AGOSM_H_PINCF="Show markers (pins) for articles"
 MOD_AGOSM_CONFIG_CONTROL_SHOWCUSTOMFIELDPIN_DESC="Do you like to display a pin for an article?"
 MOD_AGOSM_CONFIG_CONTROL_SHOWCUSTOMFIELDPIN_LABEL="Show Pin (Marker) for article"
-MOD_AGOSM_H_PINCF_FIELDSETDESCRIPTION="Do you want to display a marker on a map that contains a link to a post? See https://github.com/astridx/pkg_agosms#custom-field-of-the-type-text or https://github.com/astridx/pkg_agosms#custom-field-agosmsmarker."
+MOD_AGOSM_H_PINCF_FIELDSETDESCRIPTION="Do you want to display a marker on a map that contains a link to an article post? For this you need to add a custom field from this package."
 ; Upload
 COM_MODULES_UPLOAD_FIELDSET_LABEL="Upload"
 ; Basic Required Fields
diff --git a/j4/pkg_agosms/src/modules/mod_agosm/language/en-GB/en-GB.mod_agosm.sys.ini b/j4/pkg_agosms/src/modules/mod_agosm/language/en-GB/mod_agosm.sys.ini
similarity index 100%
rename from j4/pkg_agosms/src/modules/mod_agosm/language/en-GB/en-GB.mod_agosm.sys.ini
rename to j4/pkg_agosms/src/modules/mod_agosm/language/en-GB/mod_agosm.sys.ini
diff --git a/j4/pkg_agosms/src/modules/mod_agosm/mod_agosm.php b/j4/pkg_agosms/src/modules/mod_agosm/mod_agosm.php
index 5a0d9ad0..2c4e0c3c 100644
--- a/j4/pkg_agosms/src/modules/mod_agosm/mod_agosm.php
+++ b/j4/pkg_agosms/src/modules/mod_agosm/mod_agosm.php
@@ -113,6 +113,11 @@
 	$document->addScript(JURI::root(true) . '/media/mod_agosm/mouseposition/L.Control.MousePosition.js');
 }
 
+if ($params->get('addlayertree', '0') == 1) {
+	$document->addScript(JURI::root(true) . '/media/mod_agosm/layerstree/L.Control.Layers.Tree.js');
+	$document->addScript(JURI::root(true) . '/media/mod_agosm/layerstree/L.Control.Layers.Tree.css');
+}
+
 $document->addStyleSheet(JURI::root(true) . '/media/mod_agosm/css/agosms.css');
 
 require ModuleHelper::getLayoutPath('mod_agosm', $params->get('layout', 'default'));
diff --git a/j4/pkg_agosms/src/modules/mod_agosm/mod_agosm.xml b/j4/pkg_agosms/src/modules/mod_agosm/mod_agosm.xml
index f9231352..0d1d0bf7 100644
--- a/j4/pkg_agosms/src/modules/mod_agosm/mod_agosm.xml
+++ b/j4/pkg_agosms/src/modules/mod_agosm/mod_agosm.xml
@@ -97,6 +97,12 @@
 					<option value="esri_worldImagery">Esri_WorldImagery</option>
 					<option value="custom">custom</option>
 				</field>
+
+				<field type="list" name="addlayertree" default="0" label="MOD_AGOSM_ADDLAYERTREE" description="MOD_AGOSM_ADDLAYERTREE_DESC">
+					<option value="1">JYES</option>
+					<option value="0">JNO</option>
+				</field>
+
 				<field name="mapboxkey" type="text" default="" label="MOD_AGOSM_MAPBOXKEY_LABEL" description="MOD_AGOSM_MAPBOXKEY_DESC" size="40" showon="baselayer:mapbox" />
 
 				<field type="list" name="mapboxmaptype" default="streets" label="MOD_AGOSM_CONTROL_MAPBOXMAPTYPE_LABEL" description="MOD_AGOSM_CONTROL_MAPBOXMAPTYPE_DESC" showon="baselayer:mapbox">
@@ -155,9 +161,9 @@
 					<option value="0">JNO</option>
 				</field>
 
-				<field type="spacer" name="spacerPos0y" hr="true" />
+				<field type="spacer" name="spacerPos0y" hr="true" class="p-2 m-2" />
 
-				<field name="scrollwheelzoom" type="radio" label="MOD_AGOSM_SCROLLWHEELZOOM_LABEL" description="MOD_AGOSM_NOWORLDWARP_SCROLLWHEELZOOM_DESC" default="1">
+				<field name="scrollwheelzoom" type="radio"  label="MOD_AGOSM_SCROLLWHEELZOOM_LABEL" description="MOD_AGOSM_NOWORLDWARP_SCROLLWHEELZOOM_DESC" default="1">
 					<option value="0">JNO</option>
 					<option value="1">JYES</option>
 					<option value="2">Google Gesture Handling</option>
@@ -168,39 +174,41 @@
 					<option value="1">JYES</option>
 				</field>
 
+				<field type="spacer" name="spacerPoshr" hr="true" class="p-2 m-2" />
+
 				<field type="spacer" name="spacerPos" label="MOD_AGOSM_POSITION" class="text" />
 
 				<field name="lonlat" type="agosmsaddressfinder" default="" label="MOD_AGOSM_LONLAT" description="MOD_AGOSM_LONLAT_DESC" />
 
-				<field type="spacer" name="spacerlocate" hr="true" />
+				<field type="spacer" name="spacerlocate" hr="true" class="p-2 m-2" />
 
 				<field type="list" name="showlocate" default="0" label="MOD_AGOSM_SHOWLOCATE" description="MOD_AGOSM_SHOWLOCATE_DESC">
 					<option value="1">JYES</option>
 					<option value="0">JNO</option>
 				</field>
 
-				<field type="spacer" name="spacermouseposition" hr="true" />
+				<field type="spacer" name="spacermouseposition" hr="true" class="p-2 m-2" />
 
 				<field type="list" name="showmouseposition" default="0" label="MOD_AGOSM_MOUSEPOSITION" description="MOD_AGOSM_MOUSEPOSITION_DESC">
 					<option value="1">JYES</option>
 					<option value="0">JNO</option>
 				</field>
 
-				<field type="spacer" name="spacerfullscreen" hr="true" />
+				<field type="spacer" name="spacerfullscreen" hr="true" class="p-2 m-2" />
 
 				<field type="list" name="showfullscreen" default="0" label="MOD_AGOSM_FULLSCREEN" description="MOD_AGOSM_FULLSCREEN_DESC">
 					<option value="1">JYES</option>
 					<option value="0">JNO</option>
 				</field>
 
-				<field type="spacer" name="saveStatetoSession" hr="true" />
+				<field type="spacer" name="saveStatetoSession" hr="true" class="p-2 m-2" />
 
 				<field type="list" name="savestate" default="0" label="MOD_AGOSM_SAVESTATE" description="MOD_AGOSM_SAVESTATE_DESC">
 					<option value="1">JYES</option>
 					<option value="0">JNO</option>
 				</field>
 
-				<field type="spacer" name="savemarkerlist" hr="true" />
+				<field type="spacer" name="savemarkerlist" hr="true" class="p-2 m-2" />
 
 				<field name="agmarkerlist" type="list" label="MOD_AGOSM_MARKERLIST" default="0" description="MOD_AGOSM_MARKERLIST_DESC">
 					<option value="0">JNO</option>
@@ -293,7 +301,7 @@
 					<option value="0">JNO</option>
 				</field>
 
-				<field type="spacer" name="spacerPos0" hr="true" />
+				<field type="spacer" name="spacerPos0" hr="true" class="p-2 m-2" />
 
 				<field type="spacer" name="spacerPos" label="MOD_AGOSM_CONTROL_HEADLINE" class="text" showon="showgeocoder:1" />
 
@@ -323,7 +331,7 @@
 					<option value="0">JNO</option>
 				</field>
 
-				<field type="spacer" name="spacerESRI1" hr="true" showon="useesri:1" />
+				<field type="spacer" name="spacerESRI1" hr="true" class="p-2 m-2" showon="useesri:1" />
 
 				<field type="list" name="showgeocoderesri" default="0" label="MOD_AGOSM_CONFIG_CONTROL_SHOWGEOCODERESRI_LABEL" description="MOD_AGOSM_CONFIG_CONTROL_SHOWGEOCODERESRI_DESC" showon="useesri:1">
 					<option value="1">JYES</option>
@@ -362,14 +370,14 @@
 					<option value="false">JNO</option>
 				</field>
 
-				<field type="spacer" name="spacerESRI2" hr="true" showon="useesri:1" />
+				<field type="spacer" name="spacerESRI2" hr="true" class="p-2 m-2" showon="useesri:1" />
 
 				<field type="list" name="esrigeocoderopengetaddress" default="false" label="MOD_AGOSM_CONFIG_CONTROL_ESRIGEOGODER_OPENGETADDRESS_LABEL" description="MOD_AGOSM_CONFIG_CONTROL_ESRIGEOGODER_OPENGETADDRESS_DESC" showon="useesri:1">
 					<option value="true">JYES</option>
 					<option value="false">JNO</option>
 				</field>
 
-				<field type="spacer" name="spacerESRI3" hr="true" showon="useesri:1" />
+				<field type="spacer" name="spacerESRI3" hr="true" class="p-2 m-2" showon="useesri:1" />
 
 				<field type="list" name="esrireversegeocoding" default="false" label="MOD_AGOSM_CONFIG_CONTROL_ESRIGEOGODER_REVERSE_LABEL" description="MOD_AGOSM_CONFIG_CONTROL_ESRIGEOGODER_REVERSE_DESC" showon="useesri:1">
 					<option value="true">JYES</option>
diff --git a/j4/pkg_agosms/src/modules/mod_agosm/src/Helper/AgosmsCategoryHelper.php b/j4/pkg_agosms/src/modules/mod_agosm/src/Helper/AgosmsCategoryHelper.php
index 6e8b2143..0f573f14 100644
--- a/j4/pkg_agosms/src/modules/mod_agosm/src/Helper/AgosmsCategoryHelper.php
+++ b/j4/pkg_agosms/src/modules/mod_agosm/src/Helper/AgosmsCategoryHelper.php
@@ -153,18 +153,31 @@ public static function getListCustomField(&$params)
 							if ($popup) {
 								$itemfiltered->popuptext = $test[5];
 							}
+
+							// Check if special popup text in separat custom field
+							$specialpopuptext = null;
+							if ($field->fieldparams->get('showspecialpopuptext')) {
+								foreach ($fields as $pkey => $pfield) {
+									if ($pfield->id == $field->fieldparams->get('popuptextfields')->value) {
+										if (strlen($pfield->value) > 0) {
+											$itemfiltered->specialpopuptext = $pfield->value;
+										}
+									}
+								}
+							}
 						}
 					}
 
 					$itemsfiltered[] = $itemfiltered;
 				}
-				if ($itemsfiltered) {
-					return $itemsfiltered;
-				}
 			}
 		}
 
-		return [];
+		if ($itemsfiltered) {
+			return $itemsfiltered;
+		} else {
+			return [];
+		}
 	}
 
 	/**
diff --git a/j4/pkg_agosms/src/modules/mod_agosm/tmpl/default.php b/j4/pkg_agosms/src/modules/mod_agosm/tmpl/default.php
index 8d4d9aef..a64339ca 100644
--- a/j4/pkg_agosms/src/modules/mod_agosm/tmpl/default.php
+++ b/j4/pkg_agosms/src/modules/mod_agosm/tmpl/default.php
@@ -22,6 +22,7 @@
 	data-no-world-warp="<?php echo $params->get('noWorldWarp', 0); ?>"
 	data-detect-retina="<?php echo $params->get('detectRetina', 0); ?>"
 	data-baselayer="<?php echo $params->get('baselayer', 'mapnik'); ?>"
+	data-layertree="<?php echo $params->get('addlayertree', '0'); ?>"
 	data-lonlat="<?php echo $params->get('lonlat', '50.281168, 7.276211'); ?>"
 	data-savestate="<?php echo $params->get('savestate', false); ?>"
 	data-zoom="<?php echo $params->get('zoom', '10'); ?>"
diff --git a/j4/pkg_agosms/src/modules/mod_agosmsmt/language/de-DE/mod_agosmsmt.ini b/j4/pkg_agosms/src/modules/mod_agosmsmt/language/de-DE/mod_agosmsmt.ini
index d64f493d..022c3b3d 100644
--- a/j4/pkg_agosms/src/modules/mod_agosmsmt/language/de-DE/mod_agosmsmt.ini
+++ b/j4/pkg_agosms/src/modules/mod_agosmsmt/language/de-DE/mod_agosmsmt.ini
@@ -6,9 +6,11 @@ MOD_AGOSM_MOSET_TREE_FIELDSETDESCRIPTION="Besonderheiten im AGOSMSMT Mosets Tree
 MOD_AGOSM_CONFIG_CONTROL_SHOWRADIUSSEARCH_LABEL="Zoom auf Radius"
 MOD_AGOSM_CONFIG_CONTROL_SHOWRADIUSSEARCH_DESC="Zoom auf Radius Control integrieren"
 MOD_AGOSM_FULLSCREENLINK="Weiterleitung zu URL"
-MOD_AGOSM_FULLSCREENLINK_DESC="Analog dem Umschalten auf einen vollen Bildschirm leitet dieses Steuerelement auf eine URL weiter, unter eine größer Karte integrierbar ist."
+MOD_AGOSM_FULLSCREENLINK_DESC="Analog dem Umschalten auf einen vollen Bildschirm leitet dieses Steuerelement auf eine URL weiter, unter der eine größer Karte integrierbar ist. Es in einer kleineren Version der Karte eingesetzt werden, beispielsweise einer Karte in einer Seitenleiste, um zu einer größeren Karteversion (Alternative zur Vollbildversion) weiterzuleiten."
 MOD_AGOSM_CONFIG_CONTROL_MOVEFORM_LABEL="Verschieben von Steuerelementen"
-MOD_AGOSM_CONFIG_CONTROL_MOVEFORM_DESC="Auswahl Steuerelement und Radius-Zoom unter Karte verschieben."
+MOD_AGOSM_CONFIG_CONTROL_MOVEFORM_DESC="Auswahl Steuerelement, Vollbild und Radius-Zoom unter die Karte verschieben."
+MOD_AGOSM_FULLSCREENLINKLINK="WeiterleitungsURL" 
+MOD_AGOSM_FULLSCREENLINKLINK_DESC="Weitereleitung per Klick zu der hier angegeben URL."
 ;Routing
 MOD_AGOSM_ROUTING_SIMPLE_TEXT_STUNDEN=" Stunden. "
 MOD_AGOSM_ROUTING_SIMPLE_TEXT_KILOMETER=" Kilometer. "
diff --git a/j4/pkg_agosms/src/modules/mod_agosmsmt/language/en-GB/en-GB.mod_agosmsmt.ini b/j4/pkg_agosms/src/modules/mod_agosmsmt/language/en-GB/en-GB.mod_agosmsmt.ini
index 4028d66d..233b289a 100644
--- a/j4/pkg_agosms/src/modules/mod_agosmsmt/language/en-GB/en-GB.mod_agosmsmt.ini
+++ b/j4/pkg_agosms/src/modules/mod_agosmsmt/language/en-GB/en-GB.mod_agosmsmt.ini
@@ -6,11 +6,11 @@ MOD_AGOSM_MOSET_TREE_FIELDSETDESCRIPTION="Besonderheiten im AGOSMSMT Mosets Tree
 MOD_AGOSM_CONFIG_CONTROL_SHOWRADIUSSEARCH_LABEL="Zoom auf Radius"
 MOD_AGOSM_CONFIG_CONTROL_SHOWRADIUSSEARCH_DESC="Zoom auf Radius Control integrieren"
 MOD_AGOSM_FULLSCREENLINK="Weiterleitung zu URL"
-MOD_AGOSM_FULLSCREENLINK_DESC="Analog dem Umschalten auf einen vollen Bildschirm leitet dieses Steuerelement auf eine URL weiter, unter eine größer Karte integrierbar ist."
+MOD_AGOSM_FULLSCREENLINK_DESC="Analog dem Umschalten auf einen vollen Bildschirm leitet dieses Steuerelement auf eine URL weiter, unter der eine größer Karte integrierbar ist. Es in einer kleineren Version der Karte eingesetzt werden, beispielsweise einer Karte in einer Seitenleiste, um zu einer größeren Karteversion (Alternative zur Vollbildversion) weiterzuleiten."
 MOD_AGOSM_CONFIG_CONTROL_MOVEFORM_LABEL="Verschieben von Steuerelementen"
-MOD_AGOSM_CONFIG_CONTROL_MOVEFORM_DESC="Auswahl Steuerelement und Radius-Zoom unter Karte verschieben"
-MOD_AGOSM_CONFIG_OWNMARKERIMAGE_LABEL="Eigenes Marker Image"
-MOD_AGOSM_CONFIG_OWNMARKERIMAGE_DESC="Wenn pro Kategorie ein eigenes Marker Image angezeigt werden soll, ist es neben dem Aktivieren dieser Option erforderlich ein Bild mit dem Markernamen und der Endung .png im Verzeichnis images/marker abzulegen. Beispiel: JOOMLA/images/marker/Test.png für die Kategorie Test. "
+MOD_AGOSM_CONFIG_CONTROL_MOVEFORM_DESC="Auswahl Steuerelement, Vollbild und Radius-Zoom unter die Karte verschieben."
+MOD_AGOSM_FULLSCREENLINKLINK="WeiterleitungsURL" 
+MOD_AGOSM_FULLSCREENLINKLINK_DESC="Weitereleitung per Klick zu der hier angegeben URL."
 ;Routing
 MOD_AGOSM_ROUTING_SIMPLE_TEXT_STUNDEN=" hours. "
 MOD_AGOSM_ROUTING_SIMPLE_TEXT_KILOMETER=" kilometers. "
diff --git a/j4/pkg_agosms/src/modules/mod_agosmsmt/mod_agosmsmt.php b/j4/pkg_agosms/src/modules/mod_agosmsmt/mod_agosmsmt.php
index fe107d4c..2068e8fb 100644
--- a/j4/pkg_agosms/src/modules/mod_agosmsmt/mod_agosmsmt.php
+++ b/j4/pkg_agosms/src/modules/mod_agosmsmt/mod_agosmsmt.php
@@ -80,9 +80,9 @@
 				],
 
 				'properties' => [
-					'link_name' => json_encode($link->link_name),
-					'link_desc' => json_encode($link->link_desc),
-					'route' => '\'' . Route::_('index.php?option=com_mtree&task=viewlink&link_id='.$link->link_id.'&Itemid='.$Itemid) . '\'',
+					'link_name' => $link->link_name,
+					'link_desc' => $link->link_desc,
+					'route' => Route::_('index.php?option=com_mtree&task=viewlink&link_id='.$link->link_id.'&Itemid='.$Itemid),
 					'cat_name' => json_encode($link->cat_name),
 					'cat_id' => json_encode($link->cat_id)
 					]
diff --git a/j4/pkg_agosms/src/modules/mod_agosmsmt/tmpl/default.php b/j4/pkg_agosms/src/modules/mod_agosmsmt/tmpl/default.php
index d1eba264..8d35185b 100644
--- a/j4/pkg_agosms/src/modules/mod_agosmsmt/tmpl/default.php
+++ b/j4/pkg_agosms/src/modules/mod_agosmsmt/tmpl/default.php
@@ -19,44 +19,35 @@
 	z-index:1;
 	width:auto;
 	height:<?php echo $params->get('height', '400'); ?><?php echo $params->get('heightunit', 'px'); ?>;"
-
 	data-module-id="<?php echo $module->id; ?>" data-addprivacybox="<?php echo $params->get('addprivacybox', '0') ?>"
 	data-unique='<?php echo $unique ?>' data-no-world-warp="<?php echo $params->get('noWorldWarp', 0); ?>"
 	data-detect-retina="<?php echo $params->get('detectRetina', 0); ?>"
 	data-baselayer="<?php echo $params->get('baselayer', 'mapnik'); ?>"
 	data-lonlat="<?php echo $params->get('lonlat', '50.281168, 7.276211'); ?>"
 	data-zoom="<?php echo $params->get('zoom', '10'); ?>" data-locate="<?php echo $params->get('showlocate', false); ?>"
-
 	data-show-radiusZoom="<?php echo $params->get('show_radiusZoom', false); ?>"
 	data-showfullscreenlink="<?php echo $params->get('showfullscreenlink', false); ?>"
 	data-fullscreenlink="<?php echo $params->get('fullscreenlink', '#'); ?>"
 	data-move-form="<?php echo $params->get('move_form', false); ?>"
-
 	data-use-own-marker-image="<?php echo $params->get('use_own_marker_image', false); ?>"
-
 	data-fullscreen="<?php echo $params->get('showfullscreen', false); ?>"
 	data-mouseposition="<?php echo $params->get('showmouseposition', false); ?>"
 	<?php if ($params->get('baselayer', 'mapbox')) : ?>
 	data-mapboxmaptype="<?php echo $params->get('mapboxmaptype', 'mapbox/streets-v11'); ?>"
 	data-mapboxkey="<?php echo $params->get('mapboxkey', ''); ?>" <?php
-	endif; ?>
-	<?php if ($params->get('baselayer', 'thunderforest')) : ?>
+	endif; ?> <?php if ($params->get('baselayer', 'thunderforest')) : ?>
 	data-thunderforestkey="<?php echo $params->get('thunderforestkey', ''); ?>"
 	data-thunderforestmaptype="<?php echo $params->get('thunderforestmaptype', 'cycle'); ?>" <?php
-	endif; ?>
-	<?php if ($params->get('baselayer', 'stamen')) : ?>
+	endif; ?> <?php if ($params->get('baselayer', 'stamen')) : ?>
 	data-stamenmaptype="<?php echo $params->get('stamenmaptype', 'watercolor'); ?>" <?php
-	endif; ?>
-	<?php if ($params->get('baselayer', 'google')) : ?>
+	endif; ?> <?php if ($params->get('baselayer', 'google')) : ?>
 	data-googlemapstype="<?php echo $params->get('googlemapstype', 'satellite'); ?>" <?php
-	endif; ?>
-	<?php if ($params->get('baselayer', 'custom')) : ?>
+	endif; ?> <?php if ($params->get('baselayer', 'custom')) : ?>
 	data-customBaselayer="<?php echo $params->get('customBaselayer', 'maxZoom: 18,'); ?>"
 	data-customBaselayerURL="<?php echo $params->get('customBaselayerURL', 'https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png'); ?>"
 	<?php endif; ?> <?php if ($params->get('scale') !== null) : ?>
 	data-scale="<?php echo count($params->get('scale')); ?>" <?php
-	endif; ?>
-	data-scale-metric="<?php echo in_array('metric', $params->get('scale', $defaultArray)); ?>"
+	endif; ?> data-scale-metric="<?php echo in_array('metric', $params->get('scale', $defaultArray)); ?>"
 	data-scale-imperial="<?php echo in_array('imperial', $params->get('scale', $defaultArray)); ?>"
 	data-showrouting-simple="<?php echo $params->get('showrouting_simple', '1'); ?>"
 	data-mtmarkers="<?php echo htmlspecialchars(json_encode($geojson), ENT_QUOTES, 'UTF-8'); ?>"
@@ -88,17 +79,21 @@
 	font-size: 0.85rem;
 	justify-content: space-evenly;
 }
+
 .leaflet-control-layers-expanded {
-	width:100%;
-}
-.leaflet-control-routingtoaddress{
+	width: 100%;
 }
-</style>
 
+.leaflet-control-routingtoaddress {}
+</style>
 
-<div class="px-1 py-1 my-5 text-center bg-light bg-gradient">
-	<div class="text-center" id="agosms-mt-form-layer<?php echo $module->id; ?>"></div>
-	<div class="text-center" id="agosms-mt-form-radius<?php echo $module->id; ?>"></div>
+<div style="display:flex;flex-wrap: wrap;" class="px-1 py-1 my-5 text-center bg-light bg-gradient">
+	<div class="text-center px-1 py-1 my-2" id="agosms-mt-form-layer<?php echo $module->id; ?>"></div>
+	<div class="text-center px-1 py-1 my-2" id="agosms-mt-form-radius<?php echo $module->id; ?>"></div>
+	<div class="text-center px-1 py-1 my-2">
+		<span id="agosms-mt-locate-text<?php echo $module->id; ?>"></span>
+		<span id="agosms-mt-locate<?php echo $module->id; ?>"></span>
+	</div>
 </div>
 
 <?php
diff --git a/j4/pkg_agosms/src/plugins/fields/agosmsaddressmarker/language/en-GB/en-GB.plg_fields_agosmsaddressmarker.ini b/j4/pkg_agosms/src/plugins/fields/agosmsaddressmarker/language/en-GB/en-GB.plg_fields_agosmsaddressmarker.ini
index 9afaf75e..62e61011 100644
--- a/j4/pkg_agosms/src/plugins/fields/agosmsaddressmarker/language/en-GB/en-GB.plg_fields_agosmsaddressmarker.ini
+++ b/j4/pkg_agosms/src/plugins/fields/agosmsaddressmarker/language/en-GB/en-GB.plg_fields_agosmsaddressmarker.ini
@@ -9,11 +9,13 @@ PLG_AGOSMSADDRESSMARKER_LAT="Latitude (decimal)"
 PLG_AGOSMSADDRESSMARKER_LON="Longitude (decimal)"
 PLG_AGOSMSADDRESSMARKER_CALCULATE_CORDS="Calculate coordinates"
 PLG_AGOSMSADDRESSMARKER_ADDRESS="ADDRESS"
-PLG_AGOSMSADDRESSMARKER_ADDRESSFIELDS="Adressfields"
+PLG_AGOSMSADDRESSMARKER_ADDRESSFIELDS="Address Fields"
+PLG_AGOSMSADDRESSMARKER_SHOWSPECIALPOPUPTEXT="Special Popup Text"
+PLG_AGOSMSADDRESSMARKER_POPUPTEXTFIELDS="Popuptext Fields"
 PLG_AGOSMSADDRESSMARKER_CFIELD="Custom Field"
 PLG_AGOSMSADDRESSMARKER_CFIELDLABEL="Custom Field Description"
-PLG_AGOSMSADDRESSMARKER_CFIELDLABEL_DESC=""
-PLG_AGOSMSADDRESSMARKER_CFIELD_DESC=""
+PLG_AGOSMSADDRESSMARKER_CFIELDLABEL_DESC="Select the type of address"
+PLG_AGOSMSADDRESSMARKER_CFIELD_DESC="Select the custom field"
 PLG_AGOSMSADDRESSMARKER_COUNTRY="COUNTRY"
 PLG_AGOSMSADDRESSMARKER_DISTRICT="DISTRICT"
 PLG_AGOSMSADDRESSMARKER_GOOGLEKEY="Google Key"
diff --git a/j4/pkg_agosms/src/plugins/fields/agosmsaddressmarker/layouts/agosmsaddressmarker.php b/j4/pkg_agosms/src/plugins/fields/agosmsaddressmarker/layouts/agosmsaddressmarker.php
index 7fb39435..8245a1c9 100644
--- a/j4/pkg_agosms/src/plugins/fields/agosmsaddressmarker/layouts/agosmsaddressmarker.php
+++ b/j4/pkg_agosms/src/plugins/fields/agosmsaddressmarker/layouts/agosmsaddressmarker.php
@@ -10,11 +10,11 @@
 defined('JPATH_BASE') or die;
 
 use Joomla\Component\Fields\Administrator\Helper\FieldsHelper;
+use Joomla\CMS\Factory;
+use Joomla\CMS\Uri\Uri;
 
 extract($displayData);
 
-//JHtml::_('jquery.framework');
-
 $showspecialicon = "display:none";
 if ($specialicon) {
 	$showspecialicon = "";
@@ -25,15 +25,18 @@
 	$showpopup = "";
 }
 
-$document = JFactory::getDocument();
-$document->addScript(JURI::root(true) . '/media/plg_fields_agosmsaddressmarker/leaflet/leaflet.js');
-JHtml::_('script', 'plg_fields_agosmsaddressmarker/admin-agosmsaddressmarker.js', ['version' => 'auto', 'relative' => true]);
+$wa = Factory::getApplication()->getDocument()->getWebAssetManager();
+
+$wa->registerAndUseScript('agosmsaddressmarker', 'plg_fields_agosmsaddressmarker/admin-agosmsaddressmarker.js', [], [], []);
+// We need leaflet for calculation the address
+$document = Factory::getApplication()->getDocument();
+$document->addScript(URI::root(true) . '/media/plg_fields_agosmsaddressmarker/leaflet/leaflet.js');
 
 if ($specialicon) {
-	$document->addStyleSheet(JURI::root(true) . '/media/plg_fields_agosmsaddressmarker/css/font-awesome.min.css');
+	$wa->registerAndUseStyle('fontawesome', 'plg_fields_agosmsaddressmarker/font-awesome.min.css', [], [], []);
 }
 
-JHtml::_('stylesheet', 'plg_fields_agosmsaddressmarker/agosmsaddressmarker.css', ['version' => 'auto', 'relative' => true]);
+$wa->registerAndUseStyle('agosmsaddressmarker', 'plg_fields_agosmsaddressmarker/agosmsaddressmarker.css', [], [], []);
 
 JText::script('PLG_AGOSMSADDRESSMARKER_ADDRESSE_ERROR');
 JText::script('PLG_AGOSMSADDRESSMARKER_ADDRESSE_NOTICE');
@@ -72,7 +75,6 @@
 
 // Com_contact
 else if ($app->input->getCmd('option') === 'com_contact') {
-	//JFactory::getApplication()->enqueueMessage(JText::_('PLG_AGOSMSADDRESSMARKER_SUPPORTET'), 'message');
 	$context = 'com_contact.contact';
 }
 
@@ -204,23 +206,22 @@ class="agosmsaddressmarkericon">
 	<option value="">noicon</option>
 	<option value="home">home &#xf015;</option>
 	<option value="star">star &#xf005;</option>
-	<option value="500px">&#xf26e;</option>
-	<option value="address-book">&#xf2b9;</option>
-	<option value="address-book">&#xf2b9;</option>
-	<option value="address-book-o">&#xf2ba;</option>
-	<option value="address-card">&#xf2bb;</option>
-	<option value="address-card-o">&#xf2bc;</option>
-	<option value="adjust">&#xf042;</option>
-	<option value="adn">&#xf170;</option>
-	<option value="align-center">&#xf037;</option>
-	<option value="align-justify">&#xf039;</option>
+	<option value="500px">500px &#xf26e;</option>
+	<option value="address-book">address-book &#xf2b9;</option>
+	<option value="address-book-o">address-book-o &#xf2ba;</option>
+	<option value="address-card">address-card &#xf2bb;</option>
+	<option value="address-card-o">address-card-o &#xf2bc;</option>
+	<option value="adjust">adjust &#xf042;</option>
+	<option value="adn">adn &#xf170;</option>
+	<option value="align-center">align-center &#xf037;</option>
+	<option value="align-justify">align-justify &#xf039;</option>
 	<option value="align-left">&#xf036;</option>
 	<option value="align-right">&#xf038;</option>
 	<option value="amazon">&#xf270;</option>
 	<option value="ambulance">&#xf0f9;</option>
 	<option value="american-sign-language-interpreting">&#xf2a3;</option>
-	<option value="anchor">&#xf13d;</option>
-	<option value="android">&#xf17b;</option>
+	<option value="anchor"> &#xf13d;</option>
+	<option value="android">android &#xf17b;</option>
 	<option value="angellist">&#xf209;</option>
 	<option value="angle-double-down">&#xf103;</option>
 	<option value="angle-double-left">&#xf100;</option>
@@ -558,7 +559,7 @@ class="agosmsaddressmarkericon">
 	<option value="hdd-o">&#xf0a0;</option>
 	<option value="header">&#xf1dc;</option>
 	<option value="headphones">&#xf025;</option>
-	<option value="heart">&#xf004;</option>
+	<option value="heart">heart &#xf004;</option>
 	<option value="heart-o">&#xf08a;</option>
 	<option value="heartbeat">&#xf21e;</option>
 	<option value="history">&#xf1da;</option>
@@ -597,14 +598,14 @@ class="agosmsaddressmarkericon">
 	<option value="joomla">&#xf1aa;</option>
 	<option value="jpy">&#xf157;</option>
 	<option value="jsfiddle">&#xf1cc;</option>
-	<option value="key">&#xf084;</option>
+	<option value="key">key &#xf084;</option>
 	<option value="keyboard-o">&#xf11c;</option>
 	<option value="krw">&#xf159;</option>
 	<option value="language">&#xf1ab;</option>
 	<option value="laptop">&#xf109;</option>
 	<option value="lastfm">&#xf202;</option>
 	<option value="lastfm-square">&#xf203;</option>
-	<option value="leaf">&#xf06c;</option>
+	<option value="leaf">leaf &#xf06c;</option>
 	<option value="leanpub">&#xf212;</option>
 	<option value="legal">&#xf0e3;</option>
 	<option value="lemon-o">&#xf094;</option>
@@ -712,13 +713,13 @@ class="agosmsaddressmarkericon">
 	<option value="pinterest">&#xf0d2;</option>
 	<option value="pinterest-p">&#xf231;</option>
 	<option value="pinterest-square">&#xf0d3;</option>
-	<option value="plane">&#xf072;</option>
-	<option value="play">&#xf04b;</option>
+	<option value="plane">plane &#xf072;</option>
+	<option value="play">play &#xf04b;</option>
 	<option value="play-circle">&#xf144;</option>
 	<option value="play-circle-o">&#xf01d;</option>
-	<option value="plug">&#xf1e6;</option>
-	<option value="plus">&#xf067;</option>
-	<option value="plus-circle">&#xf055;</option>
+	<option value="plug">plug &#xf1e6;</option>
+	<option value="plus">plus &#xf067;</option>
+	<option value="plus-circle">plus-circle &#xf055;</option>
 	<option value="plus-square">&#xf0fe;</option>
 	<option value="plus-square-o">&#xf196;</option>
 	<option value="podcast">&#xf2ce;</option>
@@ -752,19 +753,19 @@ class="agosmsaddressmarkericon">
 	<option value="reply-all">&#xf122;</option>
 	<option value="resistance">&#xf1d0;</option>
 	<option value="retweet">&#xf079;</option>
-	<option value="rmb">&#xf157;</option>
-	<option value="road">&#xf018;</option>
+	<option value="rmb">rmb &#xf157;</option>
+	<option value="road">road &#xf018;</option>
 	<option value="rocket">&#xf135;</option>
 	<option value="rotate-left">&#xf0e2;</option>
 	<option value="rotate-right">&#xf01e;</option>
 	<option value="rouble">&#xf158;</option>
-	<option value="rss">&#xf09e;</option>
+	<option value="rss">rss &#xf09e;</option>
 	<option value="rss-square">&#xf143;</option>
 	<option value="rub">&#xf158;</option>
 	<option value="ruble">&#xf158;</option>
 	<option value="rupee">&#xf156;</option>
 	<option value="s15">&#xf2cd;</option>
-	<option value="safari">&#xf267;</option>
+	<option value="safari">safari &#xf267;</option>
 	<option value="save">&#xf0c7;</option>
 	<option value="scissors">&#xf0c4;</option>
 	<option value="scribd">&#xf28a;</option>
@@ -781,16 +782,16 @@ class="agosmsaddressmarkericon">
 	<option value="share-square">&#xf14d;</option>
 	<option value="share-square-o">&#xf045;</option>
 	<option value="shekel">&#xf20b;</option>
-	<option value="sheqel">&#xf20b;</option>
+	<option value="sheqel">sheqel &#xf20b;</option>
 	<option value="shield">&#xf132;</option>
-	<option value="ship">&#xf21a;</option>
+	<option value="ship">ship &#xf21a;</option>
 	<option value="shirtsinbulk">&#xf214;</option>
 	<option value="shopping-bag">&#xf290;</option>
 	<option value="shopping-basket">&#xf291;</option>
 	<option value="shopping-cart">&#xf07a;</option>
-	<option value="shower">&#xf2cc;</option>
-	<option value="sign-in">&#xf090;</option>
-	<option value="sign-language">&#xf2a7;</option>
+	<option value="shower">shower &#xf2cc;</option>
+	<option value="sign-in">sign-in &#xf090;</option>
+	<option value="sign-language">sign-language &#xf2a7;</option>
 	<option value="sign-out">&#xf08b;</option>
 	<option value="signal">&#xf012;</option>
 	<option value="signing">&#xf2a7;</option>
@@ -840,9 +841,9 @@ class="agosmsaddressmarkericon">
 	<option value="stethoscope">&#xf0f1;</option>
 	<option value="sticky-note">&#xf249;</option>
 	<option value="sticky-note-o">&#xf24a;</option>
-	<option value="stop">&#xf04d;</option>
+	<option value="stop">stop &#xf04d;</option>
 	<option value="stop-circle">&#xf28d;</option>
-	<option value="stop-circle-o">&#xf28e;</option>
+	<option value="stop-circle-o">stop-circle-o &#xf28e;</option>
 	<option value="street-view">&#xf21d;</option>
 	<option value="strikethrough">&#xf0cc;</option>
 	<option value="stumbleupon">&#xf1a4;</option>
@@ -850,8 +851,8 @@ class="agosmsaddressmarkericon">
 	<option value="subscript">&#xf12c;</option>
 	<option value="subway">&#xf239;</option>
 	<option value="suitcase">&#xf0f2;</option>
-	<option value="sun-o">&#xf185;</option>
-	<option value="superpowers">&#xf2dd;</option>
+	<option value="sun-o">sun-o &#xf185;</option>
+	<option value="superpowers">superpowers &#xf2dd;</option>
 	<option value="superscript">&#xf12b;</option>
 	<option value="support">&#xf1cd;</option>
 	<option value="table">&#xf0ce;</option>
@@ -911,12 +912,12 @@ class="agosmsaddressmarkericon">
 	<option value="tripadvisor">&#xf262;</option>
 	<option value="trophy">&#xf091;</option>
 	<option value="truck">&#xf0d1;</option>
-	<option value="try">&#xf195;</option>
+	<option value="try">try &#xf195;</option>
 	<option value="tty">&#xf1e4;</option>
 	<option value="tumblr">&#xf173;</option>
 	<option value="tumblr-square">&#xf174;</option>
 	<option value="turkish-lira">&#xf195;</option>
-	<option value="tv">&#xf26c;</option>
+	<option value="tv">tv &#xf26c;</option>
 	<option value="twitch">&#xf1e8;</option>
 	<option value="twitter">&#xf099;</option>
 	<option value="twitter-square">&#xf081;</option>
@@ -925,8 +926,8 @@ class="agosmsaddressmarkericon">
 	<option value="undo">&#xf0e2;</option>
 	<option value="universal-access">&#xf29a;</option>
 	<option value="university">&#xf19c;</option>
-	<option value="unlink">&#xf127;</option>
-	<option value="unlock">&#xf09c;</option>
+	<option value="unlink">unlink &#xf127;</option>
+	<option value="unlock">unlock &#xf09c;</option>
 	<option value="unlock-alt">&#xf13e;</option>
 	<option value="unsorted">&#xf0dc;</option>
 	<option value="upload">&#xf093;</option>
@@ -962,11 +963,11 @@ class="agosmsaddressmarkericon">
 	<option value="warning">&#xf071;</option>
 	<option value="wechat">&#xf1d7;</option>
 	<option value="weibo">&#xf18a;</option>
-	<option value="weixin">&#xf1d7;</option>
-	<option value="whatsapp">&#xf232;</option>
+	<option value="weixin">weixin &#xf1d7;</option>
+	<option value="whatsapp">whatsapp &#xf232;</option>
 	<option value="wheelchair">&#xf193;</option>
 	<option value="wheelchair-alt">&#xf29b;</option>
-	<option value="wifi">&#xf1eb;</option>
+	<option value="wifi">wifi &#xf1eb;</option>
 	<option value="wikipedia-w">&#xf266;</option>
 	<option value="window-close">&#xf2d3;</option>
 	<option value="window-close-o">&#xf2d4;</option>
@@ -985,14 +986,14 @@ class="agosmsaddressmarkericon">
 	<option value="y-combinator">&#xf23b;</option>
 	<option value="y-combinator-square">&#xf1d4;</option>
 	<option value="yahoo">&#xf19e;</option>
-	<option value="yc">&#xf23b;</option>
-	<option value="yc-square">&#xf1d4;</option>
-	<option value="yelp">&#xf1e9;</option>
-	<option value="yen">&#xf157;</option>
-	<option value="yoast">&#xf2b1;</option>
-	<option value="youtube">&#xf167;</option>
-	<option value="youtube-play">&#xf16a;</option>
-	<option value="youtube-square">&#xf166;</option>
+	<option value="yc">yc &#xf23b;</option>
+	<option value="yc-square">yc-square&#xf1d4;</option>
+	<option value="yelp">yelp &#xf1e9;</option>
+	<option value="yen">yen &#xf157;</option>
+	<option value="yoast">yoast &#xf2b1;</option>
+	<option value="youtube">youtube &#xf167;</option>
+	<option value="youtube-play">youtube-play &#xf16a;</option>
+	<option value="youtube-square">youtube-square &#xf166;</option>
 </select>
 </div>
 </div>
diff --git a/j4/pkg_agosms/src/plugins/fields/agosmsaddressmarker/models/forms/popup_data.xml b/j4/pkg_agosms/src/plugins/fields/agosmsaddressmarker/models/forms/popup_data.xml
new file mode 100644
index 00000000..33eb3d31
--- /dev/null
+++ b/j4/pkg_agosms/src/plugins/fields/agosmsaddressmarker/models/forms/popup_data.xml
@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="utf-8"?>
+<form>
+	<fieldset
+			addfieldpath="/plugins/fields/agosmsaddressmarker/fields"
+	>
+		<field
+			name="value"
+			type="cfield"
+			label="PLG_AGOSMSADDRESSMARKER_CFIELD"
+			description="PLG_AGOSMSADDRESSMARKER_CFIELD_DESC"
+			>
+		</field>
+	</fieldset>
+</form>
diff --git a/j4/pkg_agosms/src/plugins/fields/agosmsaddressmarker/params/agosmsaddressmarker.xml b/j4/pkg_agosms/src/plugins/fields/agosmsaddressmarker/params/agosmsaddressmarker.xml
index 3a58a6d9..20dfbd8a 100644
--- a/j4/pkg_agosms/src/plugins/fields/agosmsaddressmarker/params/agosmsaddressmarker.xml
+++ b/j4/pkg_agosms/src/plugins/fields/agosmsaddressmarker/params/agosmsaddressmarker.xml
@@ -12,12 +12,36 @@
 				multiple="true"
 				formsource="plugins/fields/agosmsaddressmarker/models/forms/address_data.xml"
 			/>
-			<field type="spacer" name="myspacer1" hr="true" />
+
+			<field type="spacer" name="myspacer1" hr="true" class="p-2 m-2" />
+
+			<field
+				name="showspecialpopuptext"
+				type="list"
+				label="PLG_AGOSMSADDRESSMARKER_SHOWSPECIALPOPUPTEXT"
+				default="false"
+				validate="options"
+			>
+				<option value="true">JYES</option>
+				<option value="false">JNO</option>
+			</field>
+
+			<field
+				name="popuptextfields"
+				type="subform"
+				label="PLG_AGOSMSADDRESSMARKER_POPUPTEXTFIELDS"
+				layout="joomla.form.field.subform.repeatable-table"
+				multiple="false"
+				showon="showspecialpopuptext:true"
+				formsource="plugins/fields/agosmsaddressmarker/models/forms/popup_data.xml"
+			/>
+			
+			<field type="spacer" name="myspacer11" hr="true" class="p-2 m-2" />
 
 			<field
 				name="latmax"
 				type="number"
-				default="75"
+				default="90"
 				label="PLG_AGOSMSADDRESSMARKER_LATMAX"
 				min="-90"
 				max="90"
@@ -27,7 +51,7 @@
 			<field
 				name="latmin"
 				type="number"
-				default="30"
+				default="-90"
 				label="PLG_AGOSMSADDRESSMARKER_LATMIN"
 				min="-90"
 				max="90"
@@ -37,7 +61,7 @@
 			<field
 				name="lonmax"
 				type="number"
-				default="60"
+				default="180"
 				label="PLG_AGOSMSADDRESSMARKER_LONMAX"
 				min="-180"
 				max="180"
@@ -47,14 +71,14 @@
 			<field
 				name="lonmin"
 				type="number"
-				default="-30"
+				default="-180"
 				label="PLG_AGOSMSADDRESSMARKER_LONMIN"
 				min="-180"
 				max="180"
 				step="1"
 			/>
 
-			<field type="spacer" name="myspacer2" hr="true" />
+			<field type="spacer" name="myspacer2" hr="true" class="p-2 m-2" />
 
 			<field
 				name="mapheight"
@@ -76,7 +100,7 @@
 				<option value="vh">vh (Viewport Height)</option>
 			</field>
 
-			<field type="spacer" name="myspacer2" hr="true" />
+			<field type="spacer" name="myspacer2" hr="true" class="p-2 m-2" />
 
 			<field
 				name="maptype"
@@ -120,7 +144,7 @@
 				showon="maptype:mapbox[OR]geocoder:mapbox[OR]routing_router:mapbox"
 			/>
 
-			<field type="spacer" name="myspacer3" hr="true" />
+			<field type="spacer" name="myspacer3" hr="true" class="p-2 m-2" />
 
 			<field
 				name="scrollwheelzoom"
@@ -163,7 +187,7 @@
 				showon="owngooglegesturetext:1[AND]scrollwheelzoom:2"
 			/>
 
-			<field type="spacer" name="myspacer4" hr="true" />
+			<field type="spacer" name="myspacer4" hr="true" class="p-2 m-2" />
 
 			<field
 				name="popup"
@@ -176,7 +200,7 @@
 				<option value="2">JYES (open)</option>
 			</field>
 
-			<field type="spacer" name="myspacer5" hr="true" />
+			<field type="spacer" name="myspacer5" hr="true" class="p-2 m-2" />
 
 			<field
 				name="specialicon"
@@ -189,7 +213,7 @@
 				<option value="1">JYES</option>
 			</field>
 
-			<field type="spacer" name="myspacer6" hr="true" />
+			<field type="spacer" name="myspacer6" hr="true" class="p-2 m-2" />
 
 			<field
 				name="showroutingcontrol"
@@ -353,7 +377,7 @@
 				showon="showroutingcontrol:1"
 			/>
 
-			<field type="spacer" name="myspacer7" hr="true" />
+			<field type="spacer" name="myspacer7" hr="true" class="p-2 m-2" />
 
 			<field
 				name="addprivacybox"
@@ -366,7 +390,7 @@
 				<option value="1">JYES</option>
 			</field>			
 
-			<field type="spacer" name="myspacer8" hr="true" />
+			<field type="spacer" name="myspacer8" hr="true" class="p-2 m-2" />
 		</fieldset>
 	</fields>
 </form>