|| (tag == "link" && element.getAttribute("rel") == "stylesheet"); 
|| (tag == "link" && element.getAttribute("rel") == "stylesheet"); 
function isSourceElement(element){    var tag = element.localName.toLowerCase();    return tag == "script" || tag == "link" || tag == "style"        || (tag == "link" && element.getAttribute("rel") == "stylesheet");}
2454	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/2454/791fd5b2b9e419e8c1761e44a4270e49836d9cfd/html.js/buggy/extension/content/firebug/html.js