// JScript 文件

var getObj= function(o)
        {
            return   document.getElementById?document.getElementById(o):document.all(o);
        }
var httpRequest=null;
var doRequest=function(url,action)
	       {
	          if(window.XMLHttpRequest)
	             {
	               httpRequest= new XMLHttpRequest();
	               if(httpRequest.overrideMimeType)
	                  {
	                      httpRequest.overrideMimeType("text/xml");
	                  }
	             }else if(window.ActiveXObject)
	             {
	                 try 
	                   {
	                     httpRequest= new ActiveXObject("Msxml2.XMLHTTP");
	                     
	                   }
	                   catch(e)
	                     {
	                        try
		                     {
			        	          httpRequest = new ActiveXObject("Microsoft.XMLHTTP");	
		                     }
		                      catch(e1){}
	                      }
	             }
	          if(!httpRequest)
	             {
	               alert("初始化XMLHttpRequest失败！");
	               return false;
	             }
	          with(httpRequest)
	            {
	              try
	                {
	                   httpRequest.onreadystatechange= action;
	                   httpRequest.open("GET",url,true);
	                   httpRequest.send(null);	                   
	                }
	               catch(e){} 
	            }
	       }