without scrolling anchors are useless

slf4j-site/src/site/pages/js/decorator.js

@@ -4,12 +4,26 @@
 //    class="anchor"/></a>Logger context</h3>
 
 function decorate() {
-  decoratePropertiesInTables();
-  decorateDoAnchor();
+  var anchor = findAnchorInURL(document.URL);
+  decoratePropertiesInTables(anchor);
+  decorateDoAnchor(anchor);
   decorateConversionWordInTables();
 }
 
-function decoratePropertiesInTables() {
+// ----------------------------------------------
+function findAnchorInURL(url) {
+
+ if(url == null) return null
+  var index = url.lastIndexOf("#");
+  if(index != -1 && (index+1) < url.length) 
+    return url.substr(index+1);
+  else 
+    return null;
+}
+
+// ----------------------------------------------
+function decoratePropertiesInTables(anchor) {
+
  //if(1==1) return;
  var elems = $('tr td:first-child span.prop');
 
@@ -21,17 +35,18 @@ function decoratePropertiesInTables() {
    var tmpHTML = p.innerHTML;
    var propName = e.innerHTML;
    var nameAttr = $(e).attr('name')
-
+    
    if(nameAttr == null) {
      var containerAttr = $(e).attr('container')
      if(containerAttr != null) 
        nameAttr = containerAttr+capitaliseFirstLetter(propName);
      else 
        nameAttr = propName;
    }
-
+   
    p.innerHTML = "<a name='" + nameAttr + "' href='#" + nameAttr +
                 "'><span class='anchor'/></a><b>" +tmpHTML +"</b>";
+   scrollIfMatch(p, nameAttr, anchor);
  } // for 
 }
 
@@ -45,11 +60,12 @@ function decorateConversionWordInTables() {
      continue;
    e.innerHTML = "<a name='" + nameAttr + "' href='#" + nameAttr +
                 "'><span class='anchor'/></a>" +tmpHTML;
+   scrollIfMatch(e, nameAttr, anchor);
  }
 }
 
 
-function decorateDoAnchor() {
+function decorateDoAnchor(anchor) {
    var elems = $('.doAnchor');
    for(var i = 0; i < elems.length; i++) {
      var e = elems[i];
@@ -60,9 +76,17 @@ function decorateDoAnchor() {
      }
      e.innerHTML = "<a name='" + nameAttr + "' href='#" + nameAttr +
                 "'><span class='anchor'/></a>" +tmpHTML;
+     scrollIfMatch(e, nameAttr, anchor);
    }
 } 
 
+function scrollIfMatch(element, nameAttr, anchor) {
+  if(anchor != null && nameAttr.toString() == anchor)
+     element.scrollIntoView(true);
+
+
+}
+
 function capitaliseFirstLetter(str) {
   return str.charAt(0).toUpperCase() + str.slice(1);
 }