// JavaScript Document
function send_email () {
	
	if(!$('email').value){
		alert('You forgot to enter a return email.');
		return false;	
	}
	
	if(!$('message').value){
		alert('Your email will be sent without a message.');
	}
	
	var XObj;
	try { XObj = new XMLHttpRequest(); }
	catch(e) { XObj = new ActiveXObject(Microsoft.XMLHTTP); }

	XObj.onreadystatechange = function () {
		if(XObj.readyState == 4) {
			if(XObj.responseText) {
				$('email_form').innerHTML = "Your message has been sent.";
			}
		}
	}
		
	var email = $('email').value;
	var text = $('message').value;
		
	XObj.open('POST','php/contact_email.php?email='+email+'&text='+text,true);
	XObj.send(null);
}