function createxmlhttp()
{
    xmlhttpobj = null;
	//xmlhttpobj = false;
	try{
		xmlhttpobj = new XMLHttpRequest;
	}catch(e){
		try{
			xmlhttpobj=new ActiveXObject("MSXML2.XMLHTTP");
		}catch(e2){
			try{
				xmlhttpobj=new ActiveXObject("Microsoft.XMLHTTP");
			}catch(e3){
				xmlhttpobj = false;
			}
		}
	}
	return xmlhttpobj;
	
}