function createRequestObject()
{
	var request_o; 
	var browser = navigator.appName; 
	if(browser == "Microsoft Internet Explorer")
	{
		request_o = new ActiveXObject("Microsoft.XMLHTTP");
	}
	else
	{
		request_o = new XMLHttpRequest();
	}
	return request_o; //return the object
}

var http = createRequestObject(); 

function Counties(scounty, scity)
{	
	http.open('get', '/sbarcounty.php?city=' + scity + '&county=' + scounty + '&state=' 
			+ document.sbar.select_state.options[document.sbar.select_state.selectedIndex].value);
	http.onreadystatechange = displayCounties; 
	http.send(null);
}

function getCities()
{
	http.open('get', '/sbarcity.php?state=' + document.sbar.select_state.options[document.sbar.select_state.selectedIndex].value + '&county=' + document.sbar.select_county.options[document.sbar.select_county.selectedIndex].value);
	
	http.onreadystatechange = displayCities; 
	http.send(null);
}


function displayCounties()
{
	if(http.readyState == 4)
	{ 
		var response = http.responseText;
		document.getElementById('county_cage').innerHTML = response;
		//document.getElementById('city_cage').innerHTML = " ";
		getCities();
	}
}

function displayCities()
{
	if(http.readyState == 4)
	{ 
		var response = http.responseText;
		document.getElementById('city_cage').innerHTML = response;
	}
}