function generateCommentHTML(user,time,text) {
    var html = null;
    html = '<div class="comment" style="display: none;">' +
        '<p class="comment_info">(Dodano: '+time+')</p>' +
        '<h2>'+user+'</h2>' +
        '<p class="comment_text">'+text+'</p>' +
        '</div>';
    return html;
}

function passComment() {
    var comment = $('#comment').attr('value');
    var id = $('#id').attr('value');
    var time = null;
    var user = null;
    var old_css = null;
    var error = $('#comment').css("border-color");

    if (comment.length<5) {
        $('#comment').css("border-color", "#F00");
        error = true;
    } else {
        $('#comment').css("border-color", old_css);
        error = false;
    }

    if (!error) {
        jQuery.post("commentaries/add/"+id, {text: comment},
                function (data) {
                    time = data.time;
                    user = data.user;
                    $('#comment').attr('value', '');
                    $('#no_comments').fadeOut(500);
                    $('#commentaries').prepend(generateCommentHTML(user,time,comment));
                    $("#commentaries div:first").fadeIn(1500);

                }, "json");
    }
}