// start of search panel ajax
var xmlHttp
function UpdatePanel(str)
{ 
		xmlHttp=GetXmlHttpObject()
		if (xmlHttp==null)
 			{
 				alert ("Browser does not support HTTP Request")
 				return
 			}

var place = 0
var cuisine = 0
var region = 0
var metro = 0

place = document.forms['search_food'].place_no.value;
cuisine = document.forms['search_food'].cuisine_no.value; 
region = document.forms['search_food'].region_no.value;
metro = document.forms['search_food'].metro_no.value;

// if select box clear down then reset var
if (str == 1) {
	place = 0
}

if (str == 2) {
	cuisine = 0
}

if (str == 3) {
	region = 0
}

if (str == 4) {
	metro = 0
}

		var url="search_panel_ajax.php"
		url=url+"?pc="+place
		url=url+"&cc="+cuisine
		url=url+"&rc="+region
		url=url+"&mc="+metro

		url=url+"&ran="+Math.random()
		xmlHttp.onreadystatechange=stateChanged 
		xmlHttp.open("GET",url,true)
		xmlHttp.send(null)
}

function stateChanged() 
	{ 
		if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
 			{ 
 				document.getElementById("food_drink_search").innerHTML=xmlHttp.responseText 
 			} 
		if (xmlHttp.readyState==1 || xmlHttp.readyState==2 || xmlHttp.readyState==3)
 			{ 
 				document.getElementById("food_drink_search").innerHTML='<br /><br /><br />Updating selections, please wait.<br /><img src="graphic/loading.gif" width="40" height="43">';
 			} 
			
			
	}
	
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;
}
// end of search panel ajax