MDL-21235 converted help cions to final render outputlib api

lib/javascript-static.js

@@ -1248,6 +1248,11 @@ function init_help_icons() {
         zIndex: '1000'
     });
 
+    // remove all titles, they would obscure the YUI tooltip
+    for (var i = 0; i < iconspans.length; i++) {
+    	iconspans[i].getElementsByTagName('a')[0].title = '';
+    }
+
     tooltip.contextTriggerEvent.subscribe(
         function(type, args) {
             // Fetch help page contents asynchronously
@@ -1261,8 +1266,6 @@ function init_help_icons() {
             context.title = '';
 
             var link = context.getElementsByTagName('a')[0];
-            link.title = '';
-            YAHOO.util.Dom.getElementsByClassName('iconhelp', 'img', link)[0].title = '';
             var thistooltip = this;
             var ajaxurl = link.href + '&fortooltip=1';