function GetXmlHttpObject(){ var xmlHttp=null; try { xmlHttp=new XMLHttpRequest(); } catch (e) { try  { xmlHttp=new ActiveXObject("Msxml2.XMLHTTP"); } catch (e) { xmlHttp=new ActiveXObject("Microsoft.XMLHTTP"); } } return xmlHttp; }

var xmlHttp;
var xmlHttp2;
var xmlHttp3;
var xmlHttp4;

function get_subdivisions()
{
	xmlHttp=GetXmlHttpObject();
	
	if (xmlHttp==null)
	{
		alert ("Browser does not support HTTP Request");
		return;
	}
	
	var location = document.getElementById('location').value;
	
	var url = "includes/getAssoc.php";
	url = url+"?location="+location;
	url = url+"&sid="+Math.random();
	//prompt("",url);
	
	xmlHttp.onreadystatechange = function()
	{
		if(xmlHttp.readyState == 4)
		{ 
			var result = xmlHttp.responseText;
			document.getElementById('location_div').innerHTML = result;
			
		}
	}
	 
	xmlHttp.open("GET",url,true);
	xmlHttp.send(null);
}