function mount_XMLHttp()

{

	try{

		xmlhttp = new XMLHttpRequest();

	}catch(ee){

		try{

			xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");

		}catch(e){

			try{

				xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");

			}catch(E){

				xmlhttp = false;

			}

		}

	}

return xmlhttp;

}