function wp_comment_form_validate(el)
{
	var msg = "";

	if(el.author && !el.author.value)
		msg += "Name<br />";
	if(el.email && !el.email.value)
		msg += "Email<br />";
	if(!el.comment.value)
		msg += "Comments<br />";

	if(msg)
	{
		var html = ''+
			'<div style="text-align: center;">'+
				'Thank you for trying to add your comment to this article<br />'+
				'but...<br />'+
				'<br />'+
				'Please fill out all the required field(s):<br />'+
				'<br />'+
				'<div style="color: #c00; font-weight: bold;">'+msg+'</div>'+
			'</div>';
		popup.inline(html);
		return false;
	}
	return true;
}