case "tabbrowser": case "browser": 
case "tabbrowser": case "browser": 
function isContainerElement(element){    var tag = element.localName.toLowerCase();    switch (tag)    {        case "script":        case "style":        case "iframe":        case "frame":		case "tabbrowser":		case "browser":            return true;        case "link":            return element.getAttribute("rel") == "stylesheet";    }    return false;}
2454	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/2454/5da1c8b018cf62f6e1c25d1879f31f9fb68401bb/html.js/buggy/extension/content/firebug/html.js