function updateAnnouncemnts()
{
var announce_id=document.getElementById("announcement_id").value;

 xmlHttp=GetXmlHttpObject()
 
 if (xmlHttp==null)
 {
	 alert ("Browser does not support HTTP Request");
	 return;
 } 
 var url='update_user_announcements&popuph=yes';
 url=url+"&announce_id="+announce_id+"&type=announce";
 xmlHttp.onreadystatechange=function()
  {
	 if (xmlHttp.readyState==4 && xmlHttp.status==200)
	{			
		 
		 document.getElementById("updateddetails").value=xmlHttp.responseText;
	}
  }
 xmlHttp.open("GET",url,true);
 xmlHttp.send(null);
 
}