var FadeSlideShow = Fx.Elements.extend({
	options: {
		wait: true,
		_current: 0
	},
	initialize: function(){
		var options, elements;
		$each(arguments, function(argument, i){
			switch($type(argument)){
				case 'object': options = argument; break;
				default:
					var temp = $$(argument);
					elements = temp;
			}
		});
		this.elements = elements || [];
		this.setOptions(options);
		this._timeoutInterval = false;
		this.effects = {};
		this.effects.opacity = 'fullOpacity';
				
		if(this.elements[0])
		{
			this.elements[0].parentNode.style.visibility = 'visible';
		}
		
		this.elements.each(function(el, i){
			this.elements[i].fullOpacity = 1;
			if(i != this.options._current)
			{
				for (var fx in this.effects) el.setStyle(fx, 0);
			}
			else
			{
				for (var fx in this.effects) el.setStyle(fx, el[this.effects[fx]]);				
			}
		}, this);
	},
	fadeIn: function(index){
		index = ($type(index) == 'element') ? this.elements.indexOf(index) : index;
		var obj = {};
		obj[index] = {};
		for (var fx in this.effects) obj[index][fx] = this.elements[index][this.effects[fx]];
		return this.start(obj);
	},
	fadeOut: function(index){
		index = ($type(index) == 'element') ? this.elements.indexOf(index) : index;
		var obj = {};
		obj[index] = {};
		for (var fx in this.effects) obj[index][fx] = 0;
		return this.start(obj);
	},
	slide: function(_i){
		if (this.options._current == _i) return;
		var _next =_i;
		if(_next >= this.elements.length)		
		{
			_next = 0;
		}
		var obj = {};
		obj[_next] = {};
		for (var fx in this.effects) obj[_next][fx] = this.elements[_next][this.effects[fx]];
		obj[this.options._current] = {};
		for (var fx in this.effects) obj[this.options._current][fx] = 0;		
		this.options._current = _next;		
		return this.start(obj);
	}
});
function initGallery()
{
	_fades = new FadeSlideShow($$("#big_photo img"),{duration:1000});
	var _ul = document.getElementById("photo");
	if (_ul) 
	{
		var _lis = _ul.getElementsByTagName("li");
		for (var i=0; i<_lis.length; i++)
		{
			_lis[i]._index = i;
			_lis[i].onclick = function()
			{
				_fades.slide(this._index);
			}
		}
	}
}
if (window.addEventListener) {
	window.addEventListener("load", initGallery, false);
}
else if (window.attachEvent) {
	window.attachEvent("onload", initGallery);
}