rem: if(!this.xmlhttp && typeof XMLHttpRequest != "undefined") this.xmlhttp = new XMLHttpRequest(); if (!this.xmlhttp){ this.failed = true; 
add:  if (! this.xmlhttp) { if (typeof XMLHttpRequest != "undefined") { this.xmlhttp = new XMLHttpRequest(); } else { this.failed = true; } 
context: 	this.createAJAX = function() {		try {			this.xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");		} catch (e) {			try {				this.xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");			} catch (err) {				this.xmlhttp = null;			}		}		if(!this.xmlhttp && typeof XMLHttpRequest != "undefined")			this.xmlhttp = new XMLHttpRequest();		if (!this.xmlhttp){			this.failed = true; 		}	};
meta: 7254	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/7254/9d3ce9b3083b6ca184cad7a2c6eb476fa147003f/tw-sack.js/buggy/wp-includes/js/tw-sack.js