you have to do a lookup, something related to urn, urns (collection), tagUrn, scopeNamein your case, you will be doing for (var i=0; i < document.all.length;i++) if (document.all[i].scopeName == "Control") alert(document.all[i].tagName+":" + document.all[i].scopeName);
for (var i=0; i < document.all.length;i++)
if (document.all[i].scopeName == "Control")
alert(document.all[i].tagName+":" + document.all[i].scopeName);