function emailSignup()
{
        var myRand=parseInt(Math.random()*99999999);
	var myEmail=document.getElementById('emailbox').value;
	if (myEmail.indexOf("@")==-1)
	{
		alert("You must enter a valid email");
	}
	else
	{
        	HTML_AJAX.replace('emailbody', 'ajax/email_alerts.php?email='+myEmail);
	}
}