var xmlHttpFav;


function userFavourite(opt,gid,uid)
{ 

xmlHttpFav=GetXmlHttpObject()
if (xmlHttpFav==null)
 {
 alert ("Browser does not support HTTP Request")
 return 
 } 
var home_link=document.getElementById("home_link").value;
var url=home_link+"plugins/site/themes/default/userFav.php"
url=url+"?opt="+opt+"&gid="+gid+"&uid="+uid;

xmlHttpFav.open("GET",url,true)
xmlHttpFav.onreadystatechange=stateChangedFav ;
xmlHttpFav.send(null);	
}
function stateChangedFav() 
{ 
if (xmlHttpFav.readyState==4 )

 if(xmlHttpFav.responseText=="1")
 {
	 alert('Added to Favourite');
	 document.getElementById("favA1").style.display = 'none';
	 document.getElementById("favR1").style.display = 'block';

 }
 else if(xmlHttpFav.responseText=="0")
 {
	 alert('Remove from Favourite');
	 document.getElementById("favR1").style.display = 'none';
	 document.getElementById("favA1").style.display = 'block';
 }
}


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