/**************************************************************

	Script	: Image Menu
	Version	: 2.3
	Authors	: Samuel Birch
	Desc	: 
	Licence	: Open Source MIT Licence

**************************************************************/

var ImageMenu = new Class({
	
	getOptions: function(){
		return {
			OnOpen: $lambda(false),
			OnClose: $lambda(false),
			OnClickOpen: false,
			OnClickClose: false,
			openWidth: 200,
			transition: Fx.Transitions.Quad.easeOut,
			duration: 700,
			open: null,
			border: 0
		};
	},

	initialize: function(elements, options){
		this.setOptions(this.getOptions(), options);
		this.elements = $$(elements);
		this.widths = {};
		this.widths.closed = this.elements[0].getStyle('width').toInt();
		this.widths.openSelected = this.options.openWidth;
		this.widths.openOthers = Math.round(((this.widths.closed*this.elements.length) - (this.widths.openSelected+this.options.border)) / (this.elements.length-1));//alert(this.widths.openOthers);
		
		
		this.fx = new Fx.Elements(this.elements, {wait: false, duration: this.options.duration, transition: this.options.transition});
		
		this.elements.each(function(el,i){
			
				el.addEvent('mouseover', function(e){
					var cur_opened = el.getProperty('id');
					var div_id;
					switch(cur_opened){
						case 'image_1': div_id = 'b-bg1'; break;
						case 'image_2': div_id = 'b-bg2'; break;
						case 'image_3': div_id = 'b-bg3'; break;
						case 'image_4': div_id = 'b-bg4'; break;
						case 'image_5': div_id = 'b-bg5'; break;
					}
					new Event(e).stop();
					this.reset(i);
					if(this.options.OnOpen){
							this.options.OnOpen(el, i);
							var myFunction = (function(){ 
								el.fade('out');
							});
							document.getElementById(div_id).style.visibility = 'visible';
							myTimer = myFunction.delay(400);
					}
				}.bind(this));
				el.addEvent('mouseleave', function(e){
						var cur_opened = el.getProperty('id');
						var div_id;
						switch(cur_opened){
							case 'image_1': div_id = 'b-bg1'; break;
							case 'image_2': div_id = 'b-bg2'; break;
							case 'image_3': div_id = 'b-bg3'; break;
							case 'image_4': div_id = 'b-bg4'; break;
							case 'image_5': div_id = 'b-bg5'; break;
						}
						new Event(e).stop();
						this.reset(this.options.open);
						if(this.options.OnClose){
								this.options.OnClose(el, i);
								myTimer = $clear(myTimer);
								el.fade('in');
								
							var myFunction1 = (function(){ 
								document.getElementById(div_id).style.visibility = 'hidden';
							});
							myTimer = myFunction1.delay(400);
						}			
				}.bind(this));
			var obj = this;
			
			el.addEvent('click', function(e){
				
				if(obj.options.OnClickOpen){
					new Event(e).stop();
					if(obj.options.open == i){
						obj.options.open = null;
						obj.options.OnClickClose(this.href, i);
					}else{
						obj.options.open = i;
						obj.options.OnClickOpen(this.href, i);
					}
					
				}
				
			})
			
		}.bind(this));
		
		if(this.options.open != null){
			if($type(this.options.open) == 'number'){
				this.reset(this.options.open);
				
			}else{
				this.elements.each(function(el,i){
					if(el.id == this.options.open){
						this.reset(i);
					}
				},this);
			}
		}
		
	},
	
	reset: function(num){
		if($type(num) == 'number'){
			var width = this.widths.openOthers;//161
			if(num+1 == this.elements.length){
				width += this.options.border;
			}
		}else{
			var width = this.widths.closed;
		}
		
		var obj = {};
		this.elements.each(function(el,i){
			var w = width;
			if(i == this.elements.length-1){
				w = width+5;	// 166/196
			}
			obj[i] = {'width': w};
		}.bind(this));
		
		if($type(num) == 'number'){
			obj[num] = {'width': this.widths.openSelected};
		}
		
		this.fx.start(obj);
	}
	
});

ImageMenu.implement(new Options);
ImageMenu.implement(new Events);


/*************************************************************/