var xmlHttp;
var comboName;
var cid;
function returnCombo(comboName, cid)
{ 
	
	xmlHttp=GetXmlHttpObject();
	if (xmlHttp==null)
	  {
	  alert ("Your browser does not support AJAX!");
	  return;
	  } 
	var url="/scripts/combo.asp";
	url=url+"?cn="+comboName;
	url=url+"&cid="+cid;
	url=url+"&sid="+Math.random();
	xmlHttp.onreadystatechange=function () { stateChanged(comboName); };
	xmlHttp.open("GET",url,true);
	xmlHttp.send(null);
	
}

function stateChanged(comboName) 
{ 
	if (xmlHttp.readyState==4)
	{ 
		if (comboName=='Default')
		{
			document.getElementById("State").innerHTML=xmlHttp.responseText;
		}
		else if (comboName=='State')
		{
			document.getElementById("Suburb").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;
}