// JavaScript Document

var xmlHttp

function LoadSubCats(cat_id)
{ 

	xmlHttp=GetXmlHttpObject();
	if (xmlHttp==null)
	  {
	  alert ("Your browser does not support AJAX!");
	  return;
	  }

	var url="ajax/loadsubcats.php";
	url=url+"?cat_id="+cat_id;
	url=url+"&sid="+Math.random();
	xmlHttp.onreadystatechange=stateChanged;
	xmlHttp.open("GET",url,true);
	xmlHttp.send(null);

}

function stateChanged() { 
	if (xmlHttp.readyState==4) { 
		document.getElementById("subcatbox").innerHTML=xmlHttp.responseText;
	}
}

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;
}