submit_btn = new Image();
submit_btn.src = site_root + "images/submit.png";
submit_btn_over = new Image();
submit_btn_over.src = site_root + "images/submit_over.png";

btn_done = new Image();
btn_done.src = site_root + "images/done.png";
btn_done_over = new Image();
btn_done_over.src = site_root + "images/done_over.png";

var e = null;
var f = null;
var l = null;

function validateEmail() {
	e = $F("email");
	f = $F("newsletter_first_name");
	l = $F("newsletter_last_name");
	
	if (f == "") {
		alert("Please enter a first name in the field provided!");
		$("newsletter_first_name").focus();
	} else if (l == "") {
		alert("Please enter a last name in the field provided!");
		$("newsletter_last_name").focus();
	} else if (e == "") {
		alert("Please enter an email address in the field provided!");
		$("email").focus();
	} else if (e.indexOf("@") == -1 || e.indexOf(".") == -1) {
		alert("Please enter a valid email address in the field provided!");
		$("email").focus();
	} else {
		//$('email').disabled = true;
		$('busy_div').style.display = "block";
		
		url = site_root + "mailing/box.php";
		
		// NOTE: Form.serialize isn't working correctly in prototype 1.5 (the 'email' field isn't being included), so build the pars string manually; as a side result, we don't need the hidden fields as we can just add the required values as part of the pars variable
		//pars = decodeURIComponent(Form.serialize("form_newsletter"));
		
		pars = "field[1]=" + f + "&field[2]=" + l + "&email=" + e + "&funcml=add&p=1&nlbox[1]=1&field[11]=" + $F("subscribed_from");
		//prompt("pars:", pars);

		var a = new Ajax.Request(
			url, 
			{
				method: "post", 
				parameters: pars, 
				onComplete: doSalesforce
			});
	}
	return false;
}

function doSalesforce() {
	url = site_root + "salesforce/subscribe.php";
	
	// NOTE: Form.serialize isn't working correctly in prototype 1.5 (the 'email' field isn't being included), so build the pars string manually; as a side result, we don't need the hidden fields as we can just add the required values as part of the pars variable
	//pars = decodeURIComponent(Form.serialize("form_newsletter"));
	
	pars = "fname=" + f + "&lname=" + l + "&email=" + e;
	//prompt("pars:", pars);

	var a = new Ajax.Request(
		url, 
		{
			method: "post", 
			parameters: pars, 
			onComplete: signedUp
		});
}

function signedUp(result) {
	//$("debug").innerHTML = result.responseText;
	new Effect.Fade($("signup_container"), { queue: { position: 'end', scope: "transition_signup" }, duration:0.3 } );
	new Effect.Appear($("signup_complete_container"), { queue: { position: 'end', scope: "transition_signup" }, duration:0.3 } );
	$('busy_div').style.display = "none";
}

function done() {
	//var e = $("email");
	//e.disabled = false;
	//e.value = "your email address";
	$("newsletter_first_name").value = "";
	$("newsletter_last_name").value = "";
	$("email").value = "";
	
	new Effect.Fade($("signup_complete_container"), { queue: {position: 'end', scope: "transition_signup" }, duration:0.3 } );
	new Effect.Appear($("signup_container"), { queue: {position: 'end', scope: "transition_signup" }, duration:0.3 } );
}