function getXMLHR(){
	var ajax = false;
	
	try{
		if(window.XMLHttpRequest){
			ajax = new XMLHttpRequest;
		}
	}catch(e){	
		if(window.ActiveXObject){
			try{
				ajax = new ActiveXObject("MSXML2.XMLHTTP");
			}catch(e){
				try{
					ajax = new ActiveXObject("Microsoft.XMLHTTP");
				}catch(e){
				
				}
			}
		}
	}
	
	return ajax;
}