function createXMLHttpRequest(){
	var r = false;
	try{
		r = new ActiveXObject("Msxml2.XMLHTTP");
	} catch(e){
		try{
			r = new ActiveXObject("Microsoft.XMLHTTP");
		} catch(f){
			r = false;
		}
	} if (!r && typeof XMLHttpRequest !="undefined"){
		r = new XMLHttpRequest();
	}
	return r;
}