var gaosSlide=new Class(
{
initialize:function(a){
	this.items=a.items;
	this.mode=a.mode||'horizontal';
	this.modes={horizontal:['left','width'],vertical:['top','height']};
	this.size=a.size||850;
	this.box=a.box.setStyle(this.modes[this.mode][1],(this.size*this.items.length)+'px');
	this.button_event=a.button_event||'click';
	this.handle_event=a.handle_event||'click';
	this.onWalk=a.onWalk||null;
	this.currentIndex=null;
	this.previousIndex=null;
	this.nextIndex=null;
	this.interval=a.interval||5000;
	this.autoPlay=a.autoPlay||false;
	this._play=null;
	this.handles=a.handles||null;
	if(this.handles){
		this.addHandleButtons(this.handles)}this.buttons={previous:[],next:[],play:[],playback:[],stop:[]};
		if(a.addButtons){
			for(var b in a.addButtons){
				this.addActionButtons(b,$type(a.addButtons[b])=='array'?a.addButtons[b]:[a.addButtons[b]])
				}
			}
			this.fx=new Fx.Tween(this.box,$extend((a.fxOptions||{duration:500,wait:false}),{property:this.modes[this.mode][0]}));
			this.walk((a.startItem||0),true,true)},addHandleButtons:function(a){
				for(var i=0;i<a.length;i++){
					a[i].addEvent(this.handle_event,this.walk.bind(this,[i,true]))
				}
			},
			addActionButtons:function(a,b){
					for(var i=0;i<b.length;i++){
						switch(a){
							case'previous':b[i].addEvent(this.button_event,this.previous.bind(this,[true]));
							break;
							case'next':b[i].addEvent(this.button_event,this.next.bind(this,[true]));
							break;
							case'play':b[i].addEvent(this.button_event,this.play.bind(this,[this.interval,'next',false]));
							break;
							case'playback':b[i].addEvent(this.button_event,this.play.bind(this,[this.interval,'previous',false]));
							break;
							case'stop':b[i].addEvent(this.button_event,this.stop.bind(this));
							break
						}
						this.buttons[a].push(b[i])
					}
				},
				previous:function(a){
				this.walk((this.currentIndex>0?this.currentIndex-1:this.items.length-1),a)
				document.getElementById('imgDetails').innerHTML = this.currentIndex+1+'/'+this.items.length;
				},
				next:function(a){
				this.walk((this.currentIndex<this.items.length-1?this.currentIndex+1:0),a)
				document.getElementById('imgDetails').innerHTML = this.currentIndex+1+'/'+this.items.length;
				},
				play:function(a,b,c){
				this.stop();
				if(!c){this[b](false)
				}
				this._play=this[b].periodical(a,this,[false])
				},stop:function(){$clear(this._play)},walk:function(a,b,c){if(a!=this.currentIndex){this.currentIndex=a;
				this.previousIndex=this.currentIndex+(this.currentIndex>0?-1:this.items.length-1);
				this.nextIndex=this.currentIndex+(this.currentIndex<this.items.length-1?1:1-this.items.length);
				if(b){
				this.stop()
				}
				if(c){
				this.fx.cancel().set((this.size*-this.currentIndex)+'px')
				}
				else{
				this.fx.start(this.size*-this.currentIndex)
				}
				if(b&&this.autoPlay){
				this.play(this.interval,'next',true)
				}
				if(this.onWalk){
				this.onWalk((this.items[this.currentIndex]||null),(this.handles&&this.handles[this.currentIndex]?this.handles[this.currentIndex]:null))
				}
			}
		}
	});