function validate_registration ()
    {
        var errors = "The following fields are required:\n";
        var post = true;

        if ( $('textarea#question').val() == "" )
        {
            errors += "Please enter your question\n";
            post = false;
        }

        if ( post == false ) alert ( errors );
        return post;
    }

    $(document).ready ( function ()
        {

            $('textarea[@readonly]').click ( function ()
                {
                    alert ('Please login to submit your question');
                });

            $('input#questions_submit').click( function () {
                if ( validate_registration() == false )
                {
                    return false;
                }
                else
                {
                    $('input#questions_submit').submit();
                }
            });
        });