try
{  	
    if (('' != document.referrer) && !isSameSite(document.referrer))
    { 
     	 new Ajax.Request( "clickin.php?url=" + document.referrer,
		   {		    	
		         method:'get',
		         parameters: {},
		         onSuccess: function(transport){
		             var response = transport.responseText || "no response text";
		             var value = response;
		             //alert(value);  
		         },
		         onFailure: function(){ alert('重发失败，请稍后再试...') }
		     });
           	
    }
}
catch(e)
{}

try
{   

		var iurl = new String(this.location);
		var commend="";
		if(iurl.indexOf("commend=")>0){
			commend = iurl.substr(iurl.indexOf("commend=")+8);
		}
     	 new Ajax.Request( "setCommend.php?commend=" + commend,
		   {		    	
		         method:'get',
		         parameters: {},
		         onSuccess: function(transport){
		             var response = transport.responseText || "no response text";
		             var value = response;
		             //alert(value);  
		         },
		         onFailure: function(){ alert('重发失败，请稍后再试...') }
		     });
}
catch(e)
{}

function isSameSite(str)
{
	  temp = str;
	  if(temp.indexOf("?"))
{
	   	temp = temp.substring(0,temp.indexOf("?") );
	  } 
    return (new RegExp("http://" + document.location.host)).test(temp);
}