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 country(url)
{ 
var xmlHttp;
var cid = document.getElementById('countryid').value;
if(cid==0) {
	alert('Please Select Country');
	return;
}
xmlHttp=GetXmlHttpObject();
if (xmlHttp==null)
  {
  alert ("Your browser does not support AJAX!");
  return;
  } 
var url=url;
url=url+"?catid="+cid;
		
		xmlHttp.onreadystatechange=function(){
		
		if (xmlHttp.readyState==1||xmlHttp.readyState==2||xmlHttp.readyState==3)
		{
		
				
				document.getElementById("activity_row").innerHTML="Activities Loading..";
				
		}
		
		if (xmlHttp.readyState==4)
		{
		
				
				document.getElementById("activity_row").innerHTML=xmlHttp.responseText;
				
		}
		
		}
xmlHttp.open("GET",url,true);
xmlHttp.send(null);
}