window.addEvent("domready", function() {
    
    function changeAvatar() {
        var ajax = new Request({
                        url:'/avatar-img/', 
                        method: 'get',
                        data: {'GUID_Avatar': $('GUID_Avatar').value},
                        onComplete: function(data) {
                            // nastav obsah vracenych elementu
                            updateElements(JSON.decode(data));
                            //alert(data);
                        }
                    }
                ).send();
    }
    changeAvatar();
    $('GUID_Avatar').addEvent('change', changeAvatar); 
    $('UserLogin').addEvent('keyup', function() {
       if (this.get('value').length>3) {
            new Request({url:'/check-login/',
                         method:'post',
                         data:{'UserLogin':this.get('value')},
                         onComplete: function(data) {
                            updateElements(JSON.decode(data));
                            //alert(data);
                         }
                        }).send();
       } else {
           $('logincheck').set('html', '');
       }
   });
    
});