diff --git a/public/js/eco-scripts/abi_manager.js b/public/js/eco-scripts/abi_manager.js
index 32511bd9..d018989e 100644
--- a/public/js/eco-scripts/abi_manager.js
+++ b/public/js/eco-scripts/abi_manager.js
@@ -137,25 +137,17 @@ function updateInvokeParamsJs() {
 
     if (invokefunc != "")
         pushParams(neonJSParams, "String", invokefunc);
-
-    if ($("#invokeparamjsbox1")[0].value != "None") {
-        if ($("#cbx_inarray_js1")[0].checked)
-            pushParams(arrayparam, $("#invokeparamjsbox1")[0].value, $("#invokeparamsjs1")[0].value);
-        else
-            pushParams(neonJSParams, $("#invokeparamjsbox1")[0].value, $("#invokeparamsjs1")[0].value);
-    }
-    if ($("#invokeparamjsbox2")[0].value != "None") {
-        if ($("#cbx_inarray_js2")[0].checked)
-            pushParams(arrayparam, $("#invokeparamjsbox2")[0].value, $("#invokeparamsjs2")[0].value);
-        else
-            pushParams(neonJSParams, $("#invokeparamjsbox2")[0].value, $("#invokeparamsjs2")[0].value);
-    }
-    if ($("#invokeparamjsbox3")[0].value != "None") {
-        if ($("#cbx_inarray_js3")[0].checked)
-            pushParams(arrayparam, $("#invokeparamjsbox3")[0].value, $("#invokeparamsjs3")[0].value);
-        else
-            pushParams(neonJSParams, $("#invokeparamjsbox3")[0].value, $("#invokeparamsjs3")[0].value);
-    }
+    
+	var i = 1;
+	while($("#invokeparamjsbox"+i).length > 0){
+		if ($("#invokeparamjsbox"+i)[0].value != "None") {
+			if ($("#cbx_inarray_js"+i)[0].checked)
+				pushParams(arrayparam, $("#invokeparamjsbox"+i)[0].value, $("#invokeparamsjs"+i)[0].value);
+			else
+				pushParams(neonJSParams, $("#invokeparamjsbox"+i)[0].value, $("#invokeparamsjs"+i)[0].value);
+		}
+		i++;
+	}
 
     if ($("#cbx_usearray_js")[0].checked)
         pushParams(neonJSParams, 'Array', arrayparam);
@@ -165,20 +157,19 @@ function updateInvokeParamsJs() {
 
 // block and unblock array checkboxes
 function updateArrayInvokeParamsJs() {
+	var paramId = 1;
     if ($("#cbx_usearray_js")[0].checked) {
-        $("#cbx_inarray_js1")[0].checked = true;
-        $("#cbx_inarray_js1")[0].disabled = false;
-        $("#cbx_inarray_js2")[0].checked = true;
-        $("#cbx_inarray_js2")[0].disabled = false;
-        $("#cbx_inarray_js3")[0].checked = true;
-        $("#cbx_inarray_js3")[0].disabled = false;
+		while($("#cbx_inarray_js"+paramId).length>0){
+			$("#cbx_inarray_js"+paramId)[0].checked = true;
+			$("#cbx_inarray_js"+paramId)[0].disabled = false;
+			paramId++;
+		}
     } else {
-        $("#cbx_inarray_js1")[0].checked = false;
-        $("#cbx_inarray_js1")[0].disabled = true;
-        $("#cbx_inarray_js2")[0].checked = false;
-        $("#cbx_inarray_js2")[0].disabled = true;
-        $("#cbx_inarray_js3")[0].checked = false;
-        $("#cbx_inarray_js3")[0].disabled = true;
+		while($("#cbx_inarray_js"+paramId).length>0){
+			$("#cbx_inarray_js"+paramId)[0].checked = false;
+			$("#cbx_inarray_js"+paramId)[0].disabled = true;
+			paramId++;
+		}
     }
     updateInvokeParamsJs();
 }
diff --git a/public/partials/ecolab.html b/public/partials/ecolab.html
index 6edd9936..13dcf168 100755
--- a/public/partials/ecolab.html
+++ b/public/partials/ecolab.html
@@ -1347,9 +1347,12 @@ <h4>ABI:</h4>
                               </div>
                            </div>
                            <div class="row">
-                               <div class="col-md-2">
+                               <div class="col-md-1">
                                  <button type="submit" id="invokebtn" class="btn btn-success btn-sm" data-toggle="modal"><i class="fas fa-fire"></i> Invoke</button>
                                </div>
+                               <div class="col-md-2">
+								   <span id="addparamsbtn" class="btn btn-success btn-sm" data-toggle="modal"><i class="fas fa-plus"></i> Add params</button>
+                               </div>
                                <div class="col-md-2">
                                  <div class="form-group">
                                    <span type="checkbox" class="label label-success">Advancing signing</span>
@@ -2934,6 +2937,15 @@ <h4>ABI:</h4>
     }); //End of invoke function
     //===============================================================
 
+
+	$("#addparamsbtn").click(()=>{
+		var lastParam = 1;
+		while($("#invokeparamsjs"+lastParam).length>0){
+			lastParam++;
+		}
+		$($("#forminvokejs>.row")[1]).append($([lastParam, lastParam+1, lastParam+2, lastParam+3].map(id=>`<div class="col-md-1"><div class="form-group"><label>Type</label><select id="invokeparamjsbox${id}" class="custom-select form-control" onchange="updateInvokeParamsJs()"><option value="None">None</option><option value="String">String</option><option value="Address">Address</option><option value="Hex">Hex</option><option value="Integer">Integer</option><option value="DecFixed8">DecFixed8</option></select></div></div><div class="col-md-2"><div class="form-group"><label>Param ${id}: </label> <input type="checkbox" id="cbx_inarray_js${id}" checked="" onchange="updateInvokeParamsJs()"> in array<br><input id="invokeparamsjs${id}" class="form-control" value="" placeholder="Script Param ${id}" oninput="updateInvokeParamsJs()"></div></div>`).join('')))
+	});
+
     //===============================================================
     //Deploy JS
     $("#formdeployjs").submit(function(e) {