var comments = {
    isFormOk: function()
    {
        progressIndicator('comment-sent', {status: 'load'});
        
        var elementsFail = checkUserData(['title', 'desc', 'mail'], '');
        elementsFail.each(function(element) {
            $('l' + element).setStyle({color: 'rgb(255, 0, 0)'});
        });
        
        if (!elementsFail.length)
        {
            progressIndicator('comment-sent', {status: 'none'});
            return true;
        }
        else
        {
            progressIndicator('comment-sent', {status: 'fail'});
            return false;
        }
    },
    sendComment: function()
    {
        if (this.isFormOk())
        {
            instance = this;
            $('comment').request(
            {
                parameters: {title: $F('title'), desc: $F('desc'), mail: $F('mail'), name: $F('name')},
                encoding: 'utf-8',
                onSuccess: function(response)
                {
                    this.isServerScriptOk(response); //at this point I'd like to call isServerScriptOk() function, which is one level above (?)...
                },
                onFailure: function()
                {
                    progressIndicator('comment-sent', {status: 'fail'});
                },
                onCreate: function()
                {
                    progressIndicator('comment-sent', {status: 'load'});
                    writeUserData(['name', 'mail']);
                }
            });
        }
    },
    isServerScriptOk: function(response)
    {
        if(response.responseText)
        {
            progressIndicator('comment-sent', {status: 'ok'});
        }
        else
        {
            progressIndicator('comment-sent', {status: 'fail'});
        }
    },
    toggleNewComment: function()
    {
        Effect.toggle('newcomment', 'slide', {beforeStart: function() {
            insertUserData(readUserData(['name', 'mail']));
        }});
    }
}