case "tabbrowser": case "browser": 
function isContainerElement(element){    var tag = element.localName.toLowerCase();    switch (tag)    {        case "script":        case "style":        case "iframe":        case "frame":            return true;        case "link":            return element.getAttribute("rel") == "stylesheet";    }    return false;}
2454	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/2454/6be3c6e9d225c8ad86a241df71727d654ddb2469/html.js/clean/extension/content/firebug/html.js