function updatePrePopulatedTags(site_url,tag_id)
{
	xmlHttp=GetXmlHttpObject();
	
	if(xmlHttp==null)
	{
		alert ("Browser does not support HTTP Request");
		return;
	}  
	
	var tag_category_id = document.getElementById('tag_category_id').value; 
	
	var url = site_url+"/assets/modules/tags/assets/php/updatePrePopulatedTagsajax.php"; 
	url	= url+"?tag_category_id="+ tag_category_id;
	url	= url+"&tag_id="+ tag_id;
	url	= url+"&sid="+Math.random();
	//prompt("",url);
  
	xmlHttp.onreadystatechange = function()
	{
		if(xmlHttp.readyState == 4)
		{ 
			var result = xmlHttp.responseText;
			document.getElementById('prePopulatedTags').innerHTML = result;   
			return;
		}
	}
	xmlHttp.open("GET",url,true);
	xmlHttp.send(null);
}