// JavaScript Document
function ajax(){
  	try{
		ajax = new XMLHttpRequest();
	}catch(e){
		try{
			ajax = new ActiveXObject("Msxml2.XMLHTTP");
		}catch(ee){
			try{
				ajax = new ActiveXObject("Microsoft.XMLHTTP");
			}catch(E){
				ajax = false;
			}
		}
	}
	return ajax;
  }
  
  ajax = ajax();