jQuery.noConflict(); 

jQuery(document).ready(function($){

    // Commentform Validation Plugin based on Code from Trevor Davis
    // http://trevordavis.net/blog/tutorial/use-jquery-to-enhance-your-wordpress-comment-form/
    $('form#commentform').submit(function() {
        var hasError = false;
        $('.required').each(function() {
            if(jQuery.trim($(this).val()) == '') {
                $(this).parent().fadeOut(400).fadeIn(400);
                hasError = true;
            }
        });
        if(hasError) {
        	$('.comment_form_error_message').html('You must include a name').css('color', 'red');
            return false;
        }
    });

});