rem: if (async != undefined) this.async = async; 
add: if (async) this.async = true; 
context: 		open: function(method, url, async, user, password){ 			this.readyState = 1;			if (async != undefined)				this.async = async;			this.method = method || "GET";			this.url = url;			this.onreadystatechange();		},
meta: 3217	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/3217/d38ee78db9b8a8a89b985928c1d23543cb2ff1cd/env.js/clean/build/runtest/env.js