rem: if (location == "") return;  this._box.src = tw_BaseBrowserLink.expandLocation(location); 
add: this._location = location; setTimeout(this._setLocationTimer, 100); 
context:     setLocation: function(location) {        if (location == "") return;        //NOTE: this line throws an error in firefox, but it still works.        this._box.src = tw_BaseBrowserLink.expandLocation(location);    },
meta: 5515	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5515/f1782c774313ba79c127ba5da30580c5ce1f4c32/WebBrowser.js/clean/src/thinwire/render/web/resources/WebBrowser.js