add: if (!text) return text; 
context: function $exec(text){	if (window.execScript){		window.execScript(text);	} else {		var script = document.createElement('script');		script.setAttribute('type', 'text/javascript');		script.text = text;		document.head.appendChild(script);		document.head.removeChild(script);	}	return text;};
meta: 7826	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/7826/17ac6af0845b537527596af2a710e4face3b56b9/Browser.js/clean/Source/Core/Browser.js