rem: return url; 
add: return url; 
context: 	_loadIframeHistory: function(){		var url = dojo.hostenv.getBaseScriptUri()+"iframe_history.html?"+(new Date()).getTime();		this.moveForward = true;		dojo.io.setIFrameSrc(this.historyIframe, url, false);			return url;	}
meta: 4707	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/4707/50c3492c4c3c825dbd3401e134a19ed46799c456/browser.js/clean/www/resources/dojo-ajax/src/undo/browser.js