diff -r 4d198a32ac7d -r d4809db37847 plugins/org.symbian.tools.wrttools.doc.WebDeveloper/html/js/dtddoc.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/plugins/org.symbian.tools.wrttools.doc.WebDeveloper/html/js/dtddoc.js	Thu Aug 19 17:48:04 2010 -0700
@@ -0,0 +1,26 @@
+if (window.top.developerMode === undefined) {
+    window.top.developerMode = false;
+}
+if (window.top.developerMode) {
+    document.getElementById("developer-style").disabled = true;
+}
+
+function switchStylesheetHandler(event) { 
+    window.top.developerMode = !(window.top.developerMode);
+    document.getElementById("developer-style").disabled = window.top.developerMode;
+    var b = getTargetNode(event);
+    if (b) {
+        b.firstChild.data = (window.top.developerMode ? "hide" : "show") + " advanced";
+    }
+}
+
+function init() {
+    var h = document.getElementById("header-links");
+    if (h) {
+        var b = document.createElement("button");
+        b.appendChild(document.createTextNode((window.top.developerMode ? "hide" : "show") + " advanced"));
+    	attachEventListener(b, "click", switchStylesheetHandler);
+        h.insertBefore(document.createTextNode(" "), h.firstChild);
+        h.insertBefore(b, h.firstChild);
+    }
+}
\ No newline at end of file