function verifForm(){
	document.getElementById("subject").style.color = "black";
	document.getElementById("message").style.color = "black";
	document.getElementById("error").style.visibility = "hidden";
	
	$msg_title = trim(document.getElementById("msg_title").value);
	$msg_body = trim(document.getElementById("msg_body").value);
	
	if($msg_title == "" || $msg_body == ""){
		if($msg_title == ""){
			document.getElementById("subject").style.color = "red";
		}
		
		if($msg_body == ""){
			document.getElementById("message").style.color = "red";
		}
		
		document.getElementById("error").style.visibility = "visible";
		return false;
	}
	
}

function trim(s) {
    return s.replace(/^\s+/, '').replace(/\s+$/, '');
}