var xmlHttpRequest = null;
		
		function getXMLHttpRequest()
		{
			if(window.XMLHttpRequest)
			{
				return new XMLHttpRequest();
			}
			else if (window.ActiveXObject)
			{
				request = new ActiveXObject("Microsoft.XMLHTTP");
				
				if (!request)
				{
					request = new ActiveXObject("Msxml2.XMLHTTP");
				}
				
				return request;
			}

		}	
		
		
function Visit_AjaxRequest()
{					

    var refURL = escape(document.referrer);   
   
    var refTitile = escape(document.title);

    var url = "/Visit/VisitAdd.aspx?Source="+refURL+"&title="+refTitile+"&Site=C";
	
    // 加随机数防止缓存
    if (url.indexOf("?") > 0)
      {
         url += "&randnum=" + Math.random();
      }
    else
     {
        url += "?randnum=" + Math.random();
     }   
     
	xmlHttpRequest = getXMLHttpRequest();
	xmlHttpRequest.onreadystatechange = CallBack_Visit;
	xmlHttpRequest.open("GET", url, true);
	xmlHttpRequest.send(null);
	
}
function CallBack_Visit()
{
}

Visit_AjaxRequest();