rem: var nodeName = node.nodeName; 
add: var nodeName = node.localName; 
context:    function isScrollbar(node)   {     while (node)     {       var nodeName = node.nodeName;       if (nodeName == "")         return false;       if (nodeName == "scrollbar")         return true;       node = node.parentNode;     }     return false;  }
meta: 5872	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5872/d3695fb9d397981bb8468f817b6075deaa2dceeb/navigator.js/buggy/xpfe/browser/resources/content/navigator.js