window.addEvent('domready', function() {

        var slideElement = $('addcomment');
        var slideVar = new Fx.Slide(slideElement, {
                mode: 'vertical', //default is 'vertical'
                transition: 'sine:in',
                duration: 300,
        }).hide();
        $('t_hh').addEvent('click', function(){
                slideVar.toggle();
        });
        
        var myFormValidator = new Form.Validator($('frmPostDiscussion'), {
                stopOnFailure: true
        });
        $('cdiss').addEvents({
                'click': function() { myFormValidator.validate(); }
        });
        
});