rem: { while (node) { 
add: { while (node) { 
context:    function isScrollbar(node)   {     while (node)     {       var nodeName = node.localName;       if (nodeName == "")         return false;       if (nodeName == "scrollbar")         return true;       node = node.parentNode;     }     return false;  }
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/027eeadcc1c8f299b48ad5d038f9ebe42c216130/navigator.js/clean/xpfe/browser/resources/content/navigator.js