/**
 * $Id: icarousel.min.js 323 2010-01-17 00:36:05Z martin $
 * 
 * This file has been modified slightly to accommodate for all mmSlideshow features.
 * All kudos go to Fabio Zendhi Nagao for providing the community with such a well 
 * written mootools class. Thanks Fabio!
 * 
 * @see icarousel.source.js for more info
 */

/* ************************************************************************************* *\
 * The MIT License
 * Copyright (c) 2007 Fabio Zendhi Nagao - http://zend.lojcomm.com.br
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of this
 * software and associated documentation files (the "Software"), to deal in the Software
 * without restriction, including without limitation the rights to use, copy, modify,
 * merge, publish, distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to the following
 * conditions:
 *
 * The above copyright notice and this permission notice shall be included in all copies
 * or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
 * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
 * PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 *
\* ************************************************************************************* */

var iCarousel=new Class({options:{animation:{type:"fadeNscroll",direction:"left",amount:1,transition:Fx.Transitions.Cubic.easeInOut,duration:500,rotate:{type:"manual",interval:5000,onMouseOver:"stop"}},item:{klass:"item",size:100},idPrevious:"previous",idNext:"next",idToggle:"toggle",onClickPrevious:Class.empty,onClickNext:Class.empty,onPrevious:Class.empty,onNext:Class.empty,onGoTo:Class.empty},initialize:function(container,options){this.setOptions(options);this.container=$(container);this.aItems=$A($$('.'+this.options.item.klass));this.isMouseOver=false;this.isPaused=false;if(this.options.idPrevious!="undefined"&&$(this.options.idPrevious))
$(this.options.idPrevious).addEvent("click",function(event){new Event(event).stop();this._previous();this.fireEvent("onClickPrevious",this,20);}.bind(this));if(this.options.idNext!="undefined"&&$(this.options.idNext))
$(this.options.idNext).addEvent("click",function(event){new Event(event).stop();this._next();this.fireEvent("onClickNext",this,20);}.bind(this));if(this.options.idToggle!="undefined"&&$(this.options.idToggle))
$(this.options.idToggle).addEvent("click",function(event){new Event(event).stop();this._toggle()}.bind(this));var oAn=this.options.animation;switch(this.options.animation.type.toLowerCase()){case"fade":this.aItems.each(function(item){item.fx=item.effect("opacity",{duration:oAn.duration,transition:oAn.transition,onComplete:function(){this.aItems.each(function(el,i){if(i!=this.atScreen)el.setStyle('opacity',0);}.bind(this));}.bind(this)});item.setStyle("opacity",0);item.addEvents({"mouseenter":function(){this.isMouseOver=true;if(this.options.animation.rotate.type=="auto")this.timer=$clear(this.timer);}.bind(this),"mouseleave":function(){this.isMouseOver=false;if(this.options.animation.rotate.type=="auto")this.timer=this._autoRotate.periodical(this.options.animation.rotate.interval,this);}.bind(this)});}.bind(this));this.height=this.container.getStyle("height").toInt();this.atScreen=0;this._animate(this.atScreen);break;default:(2).times(function(){this.aItems.each(function(item){item.clone().injectInside(this.container);}.bind(this));}.bind(this));this.aItems=$A($$('.'+this.options.item.klass));this.aItems.each(function(item){item.addEvents({"mouseenter":function(){this.isMouseOver=true;if(this.options.animation.rotate.type=="auto")this.timer=$clear(this.timer);}.bind(this),"mouseleave":function(){this.isMouseOver=false;if(this.options.animation.rotate.type=="auto")this.timer=this._autoRotate.periodical(this.options.animation.rotate.interval,this);}.bind(this)});}.bind(this));this.fx=this.container.effects({duration:oAn.duration,transition:oAn.transition,wait:false});this.atScreen=this.aItems.length/3;this.container.setStyle(oAn.direction,-this.atScreen*this.options.item.size);break;}
if(this.options.animation.rotate.type=="auto")this.timer=this._autoRotate.periodical(this.options.animation.rotate.interval,this);},goTo:function(n){switch(this.options.animation.type.toLowerCase()){case"fade":var lastIndex=this.atScreen;this.atScreen=Math.ceil(n%(this.aItems.length));this._animate(this.atScreen,lastIndex);break;default:this.atScreen=Math.abs(n%(this.aItems.length/3));this.atScreen+=this.aItems.length/3;this._animate(this.atScreen);break;}
this.fireEvent("onGoTo",this,20);},_previous:function(){switch(this.options.animation.type.toLowerCase()){case"fade":var lastIndex=this.atScreen;this.atScreen-=this.options.animation.amount;if(this.atScreen<0)this.atScreen=(this.aItems.length-1);this._animate(this.atScreen,lastIndex);break;default:this.atScreen-=this.options.animation.amount;if(this.atScreen<this.aItems.length/3){this.container.setStyle(this.options.animation.direction,-this.options.item.size*this.aItems.length*2/3);this.atScreen=this.aItems.length*2/3-this.options.animation.amount;}
this._animate(this.atScreen);break;}
this.fireEvent("onPrevious",this,20);},_next:function(){switch(this.options.animation.type.toLowerCase()){case"fade":var lastIndex=this.atScreen;this.atScreen+=this.options.animation.amount;if(this.atScreen>=this.aItems.length)this.atScreen=0;this._animate(this.atScreen,lastIndex);break;default:this.atScreen+=this.options.animation.amount;if(this.atScreen>this.aItems.length*2/3){this.container.setStyle(this.options.animation.direction,-this.options.item.size*this.aItems.length/3);this.atScreen=this.aItems.length/3+this.options.animation.amount;}
this._animate(this.atScreen);break;}
this.fireEvent("onNext",this,20);},_toggle:function(){(this.container.getStyle("height").toInt()==0)?this.container.effect("height",{duration:1000,transition:Fx.Transitions.Sine.easeInOut}).start(this.height):this.container.effect("height",{duration:1000,transition:Fx.Transitions.Sine.easeInOut}).start(0);},_autoRotate:function(){if(this.options.animation.rotate.onMouseOver=="stop"&&!this.isMouseOver&&!this.isPaused)this._next();},_animate:function(a,b){switch(this.options.animation.type){case"fade":if($defined(b)){this.aItems[b].fx.start(0).chain(function(){this.aItems[a].fx.start(1);}.bind(this));}else{this.aItems[a].fx.start(1);}
break;case"scroll":var that=this;if(that.options.animation.direction=="top"){that.fx.start({"top":-a*that.options.item.size});}else{that.fx.start({"left":-a*that.options.item.size});}
break;case"fadeNscroll":var that=this;if(that.options.animation.direction=="top"){that.fx.start({"opacity":0.75}).chain(function(){that.fx.start({"top":-a*that.options.item.size}).chain(function(){that.fx.start({"opacity":1});});});}else{that.fx.start({"opacity":0.75}).chain(function(){that.fx.start({"left":-a*that.options.item.size}).chain(function(){that.fx.start({"opacity":1});});});}
break;}},pause:function()
{this.isPaused=true;},resume:function()
{this.isPaused=false;}});iCarousel.implement(new Events);iCarousel.implement(new Options);