// JavaScript Document
var gsetto;

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

function stateChanged()
{
    
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
    {
		
		document.getElementById(""+gsetto+"").innerHTML= xmlHttp.responseText;	
    }
    else {
        //alert(xmlHttp.status);
    }
}

// Will populate data based on input
function htmlData(url, qStr, setto, fieldname)
{
	gsetto = setto;	
	//alert(url+" "+qStr+" "+setto+" "+fieldname);
	
	//document.getElementById(""+setto+"").style.visibility = 'hidden';
	
	if (onchange[setto] == undefined) {
		action = "";
	} else {
		action = onchange[setto];
	}
	
	if (url.length==0)
    {
        alert("url length");
		document.getElementById(setto).innerHTML=""; 
        return;
    }
    xmlHttp=GetXmlHttpObject()
	
    if (xmlHttp==null)
    {
        alert("no http support");
		alert ("Browser does not support HTTP Request");
        return;
    }

   	url=url+"?"+qStr+"&setto="+setto+"&action="+action+"&fieldname="+fieldname;
	
	//url=url+"?"+qStr+"&setto="+setto;
    url=url+"&sid="+Math.random();
    xmlHttp.onreadystatechange=stateChanged;
    xmlHttp.open("GET",url,true) ;
    xmlHttp.send(null);
}

function updateHTML(url, qStr, setto)
{
	gsetto = setto;	
	
    xmlHttp=GetXmlHttpObject()
	
    if (xmlHttp==null)
    {
        alert("no http support");
		alert ("Browser does not support HTTP Request");
        return;
    }
	
	url=url+"?"+qStr;
    url=url+"&sid="+Math.random();
    xmlHttp.onreadystatechange=stateChanged;
    xmlHttp.open("GET",url,true) ;
    xmlHttp.send(null);
}

//
function addToMailingList(url, email)
{
	gsetto = "overallarea";

    xmlHttp=GetXmlHttpObject()
	
    if (xmlHttp==null)
    {
        alert("no http support");
		alert ("Browser does not support HTTP Request");
        return;
    }
	
	url=url+"?email="+email;
    url=url+"&sid="+Math.random();
    xmlHttp.onreadystatechange=stateChanged;
    xmlHttp.open("GET",url,true) ;
    xmlHttp.send(null);
}

function isValidEmail(str) {
   return (str.indexOf(".") > 2) && (str.indexOf("@") > 0);
}