var EffectImages;
    function EffectStart(){
        if($('galery') != undefined){
            EffectImages = $('galery').getElementsByTagName('IMG');
            if (EffectImages.length > 1){
                for (var i = 0 ; i < EffectImages.length ; i++){
                    EffectImages[i].style.zIndex = i+1;
                    EffectImages[i].style.visibility = 'visible';
                }
                EffectImage(EffectImages.length-1);
            }
        }
    }
    function EffectImage(imageIdx){
        if (imageIdx < 0){
            imageIdx = EffectImages.length-1;
        }
        EffectImageFade(imageIdx);
    }
    function EffectImageFade(imageIdx){
        new Effect.Opacity(
            EffectImages[imageIdx],
            {
                'duration':1.5,
                'from':1,
                'to':0,
                'afterFinish':function () {
                    for (var i = 0 ; i < EffectImages.length ; i++){
                        var e = EffectImages[i];
                        EffectImages[i].style.zIndex++;
                    }
                    EffectImages[imageIdx].style.zIndex = 1;
                    new Effect.Opacity(EffectImages[imageIdx],{'from':1,'to':1,'duration':0});
                    window.setTimeout(
                        function() {
                            EffectImage(imageIdx-1);
                        },
                        2000
                    );
                }
            }
        );
    }
    
    function initEffects(){
        window.setTimeout(EffectStart,2000);
    }
    
    addLoadEvent(initEffects);