function sendSignup()
{
	var fname = document.getElementById("fname").value;	
	var email = document.getElementById("email").value;	
	//alert("Name: " + fname+" Email = " + email);	
	if(email.length==0) {
		alert("Please enter a valid email address");
		return;
	}
	xmlHttp	= getXmlHttpObject();
	if(xmlHttp == null) {
		alert("Your browser does not support AJAX!");
		return;
	}
	var url="sendEmail.php";
	url = url + "?n="+fname+"&q="+email;
	url=url+"&sid="+Math.random();
	//alert("URL="+url);

	showStatusPrompt();
	xmlHttp.onreadystatechange=stateChange;
	xmlHttp.open("GET",url,true);
	xmlHttp.send(null);
}

function getXmlHttpObject() 
{
	var xmlHttp = null;	
	try {
		// Firefox, Opera 8.0+, Safari
	    xmlHttp=new XMLHttpRequest();
	}
	catch (e) {
		// Internet Explorer
	    try {
			xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
	    }
		catch (e) {
			xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
		}
	}
	return xmlHttp;
}	

function stateChange()
{
	if (xmlHttp.readyState==4) {// 4 = "loaded"
	    if (xmlHttp.status==200) {// 200 = "OK"
			//alert("Response: " + xmlHttp.responseText);
			document.getElementById("sign").innerHTML= xmlHttp.responseText;
		}
		else {
			alert("Problem retrieving data:" + xmlHttp.statusText);
		}
	}	
}
function showStatusPrompt()
{
	document.getElementById("sign").innerHTML = 'Checking the database<br />Please Wait...';
}