/*** Asset: asset/scripts/carousel.js ***/

var Carousel=new Class({Implements:[Options,Events,Chain],_active:0,_loading:false,options:{'active_name':'ad-display','active_navigation':'ad-active','auto_run':14,'auto_direction':'right','navigation':true,'next':false,'prev':false,'relative_el':null,'child_el':'div','zindex':{'top':9999,'bottom':9998},'fx_in':{'duration':500},'fx_out':{'duration':500}},initialize:function(wrapper,options){if($type(wrapper)=='string')
this.wrapper=$(wrapper);else this.wrapper=wrapper;if(!this.wrapper)return;this.setOptions(options);this.content=this.wrapper.getChildren(this.options.child_el);if(this.options.navigation===true){this.navigation=this.wrapper.getElement('ul').getElements('li');this.navigation.each(function(el,i){el.addEvent('click',this.nav_click.bindWithEvent(this,i));}.bind(this));}
if(this.options.next!==false)
$(this.options.next).addEvent('click',this.right.bindWithEvent(this));if(this.options.prev!==false)
$(this.options.prev).addEvent('click',this.left.bindWithEvent(this));if(this.options.auto_run!==false)
window.addEvent('load',this.auto_run.bindWithEvent(this));},auto_run:function(){if(this.options.auto<=0)return;this.ar_timer=this[this.options.auto_direction].periodical((this.options.auto_run*1000),this);},right:function(e){if(e)e.stop();var length=this.content.length;var tab=this._active+1;if(tab>=length)tab=0;this.switch_to(tab);},left:function(e){if(e)e.stop();var length=this.content.length;var tab=this._active-1;if(tab<0)tab=length-1;this.switch_to(tab);},nav_click:function(e,tab){e.stop();$clear(this.ar_timer);this.switch_to(tab);},switch_to:function(tab){if(this._loading||this._active==tab)return;this._loading=true;var old=this._active;var cords=this.content[old].getCoordinates(this.options.relative_el);this.fxOld=new Fx.Tween(this.content[old],this.options.fx_out);this.fxNew=new Fx.Tween(this.content[tab],this.options.fx_in);this.content[tab].set('opacity',0);this.content[tab].addClass(this.options.active_name);if(this.content[tab].getStyle('position')!='absolute'){this.content[tab].setStyles({'position':'absolute','top':cords.top,'left':cords.left});}
if(this.options.navigation){this.navigation.removeClass(this.options.active_navigation);this.navigation[tab].addClass(this.options.active_navigation);}
this.fxOld.start('opacity',[1,0]).chain(function(){this.content[old].removeClass(this.options.active_name);this.content[old].removeProperty('style');this.content[tab].removeProperty('style');}.bind(this));this.fxNew.start('opacity',[0,1]).chain(function(){this._active=tab;this._loading=false;}.bind(this));}});