var ANIM_SPEED = 400;
var $form = $('form');
var $email = $('#email');
var $comment = $('#comment');
var $msg;

$form.bind('submit', function(){
    var emval = $email.val();
    var cval = $comment.val();
    if (!(emval && cval)){
        return false;
    }
    $.post(this.action, {'email': emval, 'comment': cval, 'ajax': 1});
	$email.val('');
	$comment.val('');
	
	$('<div class="message">¡Gracias!</div>').hide()
        .insertBefore($form).slideDown(ANIM_SPEED);
	return false;
});