var loadedImages = [], dekor;
  var slide = 0;//tracks which slide is showing
  slidePause = 1000; //length of time to keep a slide at 1 opacity
  var slider = function(){
            dekor = $('dekor');
            var path = 'http://www.ubytovani-beskydy.net/templates/default/img/dekor/';
            var images = [
								path + '06.jpg',
								path + '07.jpg',
								path + '08.jpg',
								path + '09.jpg',
								path + '10.jpg',
								path + '11.jpg',
								path + '12.jpg',
								path + '13.jpg'
            ];
 
            dekor.setStyles({'opacity': 0, 'display': 'none'});
 
            loadImages()
            function loadImages(){
                var dekorImgs = $$('#dekor img');
                if (dekorImgs.length > 0) dekorImgs.each(function(image) {    image.remove();    });
 
                dekor.setStyle('display', 'block');
                new Asset.images(images, {
                    onProgress: function(i) {
                        this.setStyles({
                            'position': 'absolute',
                            'opacity': 0
                        });
                        loadedImages[i] = this;
                    },
                    onComplete: function() {
                        var fx = $('dekor').effect('opacity').start(1).chain(function(){
                            nextImg(-1);
                        });
                    } 
                });
            } 
  }
  function nextImg(){
    slide = (slide == loadedImages.length-1)?0: slide+1;
    //slide = $random(0,loadedImages.length-1); //show pictures randomly
    if($E('img', dekor)){
        $E('img',dekor).effect('opacity', {duration: 3000, onComplete: function(){
            $E('img',dekor).remove();
            }
        }).start(0);
        showImg(loadedImages[slide]);// fade out WHILE fading in next image
    }
    else
        showImg(loadedImages[slide]);
  }
  function showImg(img){
    img.inject(dekor);
    img.effect('opacity', {duration: 3000, onComplete: function(){
            setTimeout('nextImg()',slidePause);
        }
    }).start(1);
  }
  
    window.addEvent('domready', slider);