this.getPreviousElement = function(node){    while (node && node.nodeType != 1)        node = node.previousSibling;        return node;};
2454	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/2454/8237a6359bebacf3e34f1134ef713c687c8e3edb/lib.js/clean/extension/content/firebug/lib.js