var xmlHttp

function GetXmlHttpObject()
{
var xmlHttp=null;
try
  {
  // Firefox, Opera 8.0+, Safari
  xmlHttp=new XMLHttpRequest();
  }
catch (e)
  {
  // Internet Explorer
  try
    {
    xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
    }
  catch (e)
    {
    xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
    }
  }
return xmlHttp;
}

function stateChanged() 
{ 
	if (xmlHttp.readyState==4)
	{ 
	
	}
}

function submit_url(location_url, which_link)
{
	xmlHttp=GetXmlHttpObject();
	if (xmlHttp==null)
		{
				alert ("Your browser does not support AJAX.");
				return;
			} 
	xmlHttp.onreadystatechange=stateChanged;
	xmlHttp.open("GET",location_url,true);
	xmlHttp.send(null);
	document.getElementById(which_link).style.display="none";
	document.getElementById(which_link+"_success").style.display="inline";
}