// JavaScript Document
function validateForm() {
	var err = 0;
	
	if(document.getElementById("yourname").value == '') {
		document.getElementById("namelabel").className = 'error';
		err = 1;
	} else {
		document.getElementById("namelabel").className = '';
	}
	
	if(document.getElementById("email").value == '' || isMailValid() == false) {
		document.getElementById("maillabel").className = 'error';
		err = 1;
	} else {
		document.getElementById("maillabel").className = '';
	}
	
	if(document.getElementById("mailmessage").value == '') {
		document.getElementById("messagelabel").className = 'error';
		err = 1;
	} else {
		document.getElementById("messagelabel").className = '';
	}
	
	if(err === 0) {
		return true;
	} else {
		return false;
	}
		
}

function isMailValid() {
	if (!document.getElementById("email").value.match(/^[\w\.\-]+@([\w\-]+\.)+[a-zA-Z]+$/)) {
		document.getElementById("maillabel").className = 'error';
		return false;
	} else {
		document.getElementById("maillabel").className = '';
		return true;
	}
}