var noobSlide = new Class({

	initialize: function(params){
		this.items = params.items;
		this.mode = params.mode || 'horizontal';
		this.modes = {horizontal:['left','width'], vertical:['top','height']};
		this.size = params.size || 240;
		this.box = params.box.setStyle(this.modes[this.mode][1],(this.size*this.items.length)+'px');
		this.button_event = params.button_event || 'click';
		this.handle_event = params.handle_event || 'click';
		this.onWalk = params.onWalk || null;
		this.currentIndex = null;
		this.previousIndex = null;
		this.nextIndex = null;
		this.interval = params.interval || 5000;
		this.autoPlay = params.autoPlay || false;
		this._play = null;
		this.handles = params.handles || null;
		if(this.handles){
			this.addHandleButtons(this.handles);
		}
		this.buttons = {
			previous: [],
			next: [],
			play: [],
			playback: [],
			stop: []
		};
		if(params.addButtons){
			for(var action in params.addButtons){
				this.addActionButtons(action, $type(params.addButtons[action])=='array' ? params.addButtons[action] : [params.addButtons[action]]);
			}
		}
		this.fx = new Fx.Tween(this.box,$extend((params.fxOptions||{duration:500,wait:false}),{property:this.modes[this.mode][0]}));
		this.walk((params.startItem||0),true,true);
	},

	addHandleButtons: function(handles){
		for(var i=0;i<handles.length;i++){
			handles[i].addEvent(this.handle_event,this.walk.bind(this,[i,true]));
		}
	},

	previous: function(manual){
		this.walk((this.currentIndex>0 ? this.currentIndex-1 : this.items.length-1),manual);
	},

	next: function(manual){
		this.walk((this.currentIndex<this.items.length-1 ? this.currentIndex+1 : 0),manual);
	},

	play: function(interval,direction,wait){
		this.stop();
		if(!wait){
			this[direction](false);
		}
		this._play = this[direction].periodical(interval,this,[false]);
	},

	stop: function(){
		$clear(this._play);
	},

	walk: function(item,manual,noFx){
		if(item!=this.currentIndex){
			this.currentIndex=item;
			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(manual){
				this.stop();
			}
			if(noFx){
				this.fx.cancel().set((this.size*-this.currentIndex)+'px');
			}else{
				this.fx.start(this.size*-this.currentIndex);
			}
			if(manual && 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));
			}
		}
	}
	
});
	
	
window.addEvent('domready',function(){	
										
		var info6 = $('banner_box').getNext().set('opacity',0.5);
		var nS6 = new noobSlide({
			mode: 'vertical',
			box: $('banner_box'),
			items: [0,1,2],
			handles: $$('#banner_changes div'),
			handle_event: 'click',
			size: 150,
			autoPlay: true,
			interval: 15000,	
			onWalk: function(currentItem,currentHandle){
				this.handles.set('opacity',0.3);
				currentHandle.set('opacity',1);
			}
		});
		//walk to next item
		nS6.next();
	
});