var xmlHttp_schools
function get_schools_select(zip_code, width_)
{
	document.getElementById('school_select_row').style.display = '';
	xmlHttp_schools=GetXmlHttpObject()
	if (xmlHttp_schools==null)
	{
		alert ("Browser does not support HTTP Request")
		return
	} 
	var url="get_schools.weml"
	url=url+"?zip_code="+zip_code
	url=url+"&width_="+width_
	url=url+"&sid="+Math.random()
	xmlHttp_schools.onreadystatechange = function () { set_schools(); };
	xmlHttp_schools.open("GET",url,true)
	xmlHttp_schools.send(null)
}

function set_schools()
{
	if (xmlHttp_schools.readyState==4 || xmlHttp_schools.readyState=="complete")
	{
		document.getElementById("schools_select").innerHTML=xmlHttp_schools.responseText 
	}
}

function GetXmlHttpObject()
{ 
	var objXMLHttp=null
	if (window.XMLHttpRequest)
	{
		objXMLHttp=new XMLHttpRequest()
	}
	else if (window.ActiveXObject)
	{
		objXMLHttp=new ActiveXObject("Microsoft.XMLHTTP")
	}
	return objXMLHttp
}