var EffectImages;
        function EffectStart()
        {
		var e = $('effect');
		if (e) {
            EffectImages = e.getElementsByTagName('IMG');
            if (EffectImages.length)
            {
                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 () {
                        //nastavenie z-indexov:
                        
                        for (var i = 0 ; i < EffectImages.length ; i++)
                        {
                            EffectImages[i].style.zIndex++;
                        }
                       	//alert(EffectImages[imageIdx].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 MakeMenu()
{
    var menu = document.getElementById('menu');
    var lis = menu.getElementsByTagName('A');
    for (var i = 0 ; i < lis.length ; i++)
    {
    	lis[i].onclick = function () { ToggleSubmenu(this); };
    }
}

function ToggleSubmenu(a)
{
    var uls = a.parentNode.getElementsByTagName('UL');
    for (var i = 0 ; i < uls.length ; i++)
    {
    	new Effect.toggle(uls[i],'blind',{'duration':0.4});
    }
	return false;
}

function OpenSubmenu(a)
{
    var uls = a.parentNode.getElementsByTagName('UL');
    for (var i = 0 ; i < uls.length ; i++)
    {
	  //uls[i].style.display = "block";
       new Effect.BlindDown(uls[i],{'duration':0.4});
       a.onclick = function () { return CloseSubmenu(a); };

    }
    return false;
}

function CloseSubmenu(a)
{
    var uls = a.parentNode.getElementsByTagName('UL');
    for (var i = 0 ; i < uls.length ; i++)
    {
	  //uls[i].style.display = "none";
        new Effect.BlindUp(uls[i],{'duration':0.4});
        a.onclick = function () { return OpenSubmenu(a); };
    }
    return false;
}

function StartEfects(){
	//MakeMenu();
	window.setTimeout(EffectStart,2000);
}

//window.onload = MakeMenu;

window.onload = StartEfects;