// JavaScript Document
var g_errMsg;

function emailSubmitted()
{
	if (xmlHttp.readyState==4)
	{ 
		alert(xmlHttp.responseText);
	}
}

function submitEmail(errMsg)
{
	email = document.frmMailing.email.value;
	email = email.toLowerCase();
	
	g_errMsg 			= errMsg;

	if (isValidEmail(email))
	{
		xmlHttp = GetXmlHttpObject();
	
		if (xmlHttp == null)
		{
			alert ("Your browser does not support AJAX!");
			return;
		} 
	
		var url = "/mailing/addToMailing.php";
		url = url + "?email=" + email;
		url = url + "&sid=" + Math.random();
		xmlHttp.onreadystatechange = emailSubmitted;
		xmlHttp.open("GET",url,true);
		xmlHttp.send(null);
	}
	else
	{
		alert(g_errMsg);
		document.frmMailing.email.focus();
	}
}

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