function initRollovers() {
    var r = $('d_planets');
    if(!r) return;
    $$('#ul_services a').each(function(s, i){
        s.observe('mouseover', function(){
            r.addClassName('r'+i);
        });
        s.observe('mouseout', function(){
            r.removeClassName('r'+i);
        });
    });
}

function sendFeedback(){

    var username = $('f_username').value;
    var content = $('f_content').value;

    if(username=='' || content==''){
        alert(msg_feedback_fill_error);
        return;
    }

    var email = $('f_email').value;
    var subject = $('f_subject').value;

    new Ajax.Request('/Feedback/add', {
        method: 'post',
        parameters: {
            username: username,
            email: email,
            subject: subject,
            content: content
        },
        onSuccess: function(result){

            result = result.responseText.evalJSON()
            
            if(result.success===true){
                alert(msg_feedback_success);
                Lightbox.hideBox()
            }
            else{
                alert(msg_feedback_send_error);
            }
        },
        onFailure: function(){
            alert(msg_feedback_send_error);
        }
    });
}