$(document).ready(function() {

    var preview = $('.comments .submit-preview').removeClass('none');
    
    preview.removeClass('none').click(function(e) {
        var text = $('#id_comment').val();
        if (text) {
            $('.comments .preview-comment').removeClass('none');
            Dajaxice.maha2010.core.preview_comment('Dajax.process', {'text': text});
        } else {
            $('.comments .preview-comment').addClass('none');
        }
        return false;
    });

});