/*!
* jCarousel - Riding carousels with jQuery
* http://sorgalla.com/jcarousel/
*
* Copyright (c) 2006 Jan Sorgalla (http://sorgalla.com)
* Dual licensed under the MIT (http://www.opensource.org/licenses/mit-license.php)
* and GPL (http://www.opensource.org/licenses/gpl-license.php) licenses.
*
* Built on top of the jQuery library
* http://jquery.com
*
* Inspired by the "Carousel Component" by Bill Scott
* http://billwscott.com/carousel/
*/
(function($){var defaults={vertical:false,rtl:false,start:1,offset:1,size:null,scroll:1,visible:null,animation:'normal',easing:'swing',auto:0,wrap:null,initCallback:null,setupCallback:null,reloadCallback:null,itemLoadCallback:null,itemFirstInCallback:null,itemFirstOutCallback:null,itemLastInCallback:null,itemLastOutCallback:null,itemVisibleInCallback:null,itemVisibleOutCallback:null,animationStepCallback:null,buttonNextHTML:'<div></div>',buttonPrevHTML:'<div></div>',buttonNextEvent:'click',buttonPrevEvent:'click',buttonNextCallback:null,buttonPrevCallback:null,itemFallbackDimension:null},windowLoaded=false;$(window).bind('load.jcarousel',function(){windowLoaded=true;});$.jcarousel=function(e,o){this.options=$.extend({},defaults,o||{});this.locked=false;this.autoStopped=false;this.container=null;this.clip=null;this.list=null;this.buttonNext=null;this.buttonPrev=null;this.buttonNextState=null;this.buttonPrevState=null;if(!o||o.rtl===undefined){this.options.rtl=($(e).attr('dir')||$('html').attr('dir')||'').toLowerCase()=='rtl';}
this.wh=!this.options.vertical?'width':'height';this.lt=!this.options.vertical?(this.options.rtl?'right':'left'):'top';var skin='',split=e.className.split(' ');for(var i=0;i<split.length;i++){if(split[i].indexOf('jcarousel-skin')!=-1){$(e).removeClass(split[i]);skin=split[i];break;}}
if(e.nodeName.toUpperCase()=='UL'||e.nodeName.toUpperCase()=='OL'){this.list=$(e);this.clip=this.list.parents('.jcarousel-clip');this.container=this.list.parents('.jcarousel-container');}else{this.container=$(e);this.list=this.container.find('ul,ol').eq(0);this.clip=this.container.find('.jcarousel-clip');}
if(this.clip.size()===0){this.clip=this.list.wrap('<div></div>').parent();}
if(this.container.size()===0){this.container=this.clip.wrap('<div></div>').parent();}
if(skin!==''&&this.container.parent()[0].className.indexOf('jcarousel-skin')==-1){this.container.wrap('<div class=" '+skin+'"></div>');}
this.buttonPrev=$('.jcarousel-prev',this.container);if(this.buttonPrev.size()===0&&this.options.buttonPrevHTML!==null){this.buttonPrev=$(this.options.buttonPrevHTML).appendTo(this.container);}
this.buttonPrev.addClass(this.className('jcarousel-prev'));this.buttonNext=$('.jcarousel-next',this.container);if(this.buttonNext.size()===0&&this.options.buttonNextHTML!==null){this.buttonNext=$(this.options.buttonNextHTML).appendTo(this.container);}
this.buttonNext.addClass(this.className('jcarousel-next'));this.clip.addClass(this.className('jcarousel-clip')).css({position:'relative'});this.list.addClass(this.className('jcarousel-list')).css({overflow:'hidden',position:'relative',top:0,margin:0,padding:0}).css((this.options.rtl?'right':'left'),0);this.container.addClass(this.className('jcarousel-container')).css({position:'relative'});if(!this.options.vertical&&this.options.rtl){this.container.addClass('jcarousel-direction-rtl').attr('dir','rtl');}
var di=this.options.visible!==null?Math.ceil(this.clipping()/this.options.visible):null;var li=this.list.children('li');var self=this;if(li.size()>0){var wh=0,j=this.options.offset;li.each(function(){self.format(this,j++);wh+=self.dimension(this,di);});this.list.css(this.wh,(wh+100)+'px');if(!o||o.size===undefined){this.options.size=li.size();}}
this.container.css('display','block');this.buttonNext.css('display','block');this.buttonPrev.css('display','block');this.funcNext=function(){self.next();};this.funcPrev=function(){self.prev();};this.funcResize=function(){if(self.resizeTimer){clearTimeout(self.resizeTimer);}
self.resizeTimer=setTimeout(function(){self.reload();},100);};if(this.options.initCallback!==null){this.options.initCallback(this,'init');}
if(!windowLoaded&&$.browser.safari){this.buttons(false,false);$(window).bind('load.jcarousel',function(){self.setup();});}else{this.setup();}};var $jc=$.jcarousel;$jc.fn=$jc.prototype={jcarousel:'0.2.8'};$jc.fn.extend=$jc.extend=$.extend;$jc.fn.extend({setup:function(){this.first=null;this.last=null;this.prevFirst=null;this.prevLast=null;this.animating=false;this.timer=null;this.resizeTimer=null;this.tail=null;this.inTail=false;if(this.locked){return;}
this.list.css(this.lt,this.pos(this.options.offset)+'px');var p=this.pos(this.options.start,true);this.prevFirst=this.prevLast=null;this.animate(p,false);$(window).unbind('resize.jcarousel',this.funcResize).bind('resize.jcarousel',this.funcResize);if(this.options.setupCallback!==null){this.options.setupCallback(this);}},reset:function(){this.list.empty();this.list.css(this.lt,'0px');this.list.css(this.wh,'10px');if(this.options.initCallback!==null){this.options.initCallback(this,'reset');}
this.setup();},reload:function(){if(this.tail!==null&&this.inTail){this.list.css(this.lt,$jc.intval(this.list.css(this.lt))+this.tail);}
this.tail=null;this.inTail=false;if(this.options.reloadCallback!==null){this.options.reloadCallback(this);}
if(this.options.visible!==null){var self=this;var di=Math.ceil(this.clipping()/this.options.visible),wh=0,lt=0;this.list.children('li').each(function(i){wh+=self.dimension(this,di);if(i+1<self.first){lt=wh;}});this.list.css(this.wh,wh+'px');this.list.css(this.lt,-lt+'px');}
this.scroll(this.first,false);},lock:function(){this.locked=true;this.buttons();},unlock:function(){this.locked=false;this.buttons();},size:function(s){if(s!==undefined){this.options.size=s;if(!this.locked){this.buttons();}}
return this.options.size;},has:function(i,i2){if(i2===undefined||!i2){i2=i;}
if(this.options.size!==null&&i2>this.options.size){i2=this.options.size;}
for(var j=i;j<=i2;j++){var e=this.get(j);if(!e.length||e.hasClass('jcarousel-item-placeholder')){return false;}}
return true;},get:function(i){return $('>.jcarousel-item-'+i,this.list);},add:function(i,s){var e=this.get(i),old=0,n=$(s);if(e.length===0){var c,j=$jc.intval(i);e=this.create(i);while(true){c=this.get(--j);if(j<=0||c.length){if(j<=0){this.list.prepend(e);}else{c.after(e);}
break;}}}else{old=this.dimension(e);}
if(n.get(0).nodeName.toUpperCase()=='LI'){e.replaceWith(n);e=n;}else{e.empty().append(s);}
this.format(e.removeClass(this.className('jcarousel-item-placeholder')),i);var di=this.options.visible!==null?Math.ceil(this.clipping()/this.options.visible):null;var wh=this.dimension(e,di)-old;if(i>0&&i<this.first){this.list.css(this.lt,$jc.intval(this.list.css(this.lt))-wh+'px');}
this.list.css(this.wh,$jc.intval(this.list.css(this.wh))+wh+'px');return e;},remove:function(i){var e=this.get(i);if(!e.length||(i>=this.first&&i<=this.last)){return;}
var d=this.dimension(e);if(i<this.first){this.list.css(this.lt,$jc.intval(this.list.css(this.lt))+d+'px');}
e.remove();this.list.css(this.wh,$jc.intval(this.list.css(this.wh))-d+'px');},next:function(){if(this.tail!==null&&!this.inTail){this.scrollTail(false);}else{this.scroll(((this.options.wrap=='both'||this.options.wrap=='last')&&this.options.size!==null&&this.last==this.options.size)?1:this.first+this.options.scroll);}},prev:function(){if(this.tail!==null&&this.inTail){this.scrollTail(true);}else{this.scroll(((this.options.wrap=='both'||this.options.wrap=='first')&&this.options.size!==null&&this.first==1)?this.options.size:this.first-this.options.scroll);}},scrollTail:function(b){if(this.locked||this.animating||!this.tail){return;}
this.pauseAuto();var pos=$jc.intval(this.list.css(this.lt));pos=!b?pos-this.tail:pos+this.tail;this.inTail=!b;this.prevFirst=this.first;this.prevLast=this.last;this.animate(pos);},scroll:function(i,a){if(this.locked||this.animating){return;}
this.pauseAuto();this.animate(this.pos(i),a);},pos:function(i,fv){var pos=$jc.intval(this.list.css(this.lt));if(this.locked||this.animating){return pos;}
if(this.options.wrap!='circular'){i=i<1?1:(this.options.size&&i>this.options.size?this.options.size:i);}
var back=this.first>i;var f=this.options.wrap!='circular'&&this.first<=1?1:this.first;var c=back?this.get(f):this.get(this.last);var j=back?f:f-1;var e=null,l=0,p=false,d=0,g;while(back?--j>=i:++j<i){e=this.get(j);p=!e.length;if(e.length===0){e=this.create(j).addClass(this.className('jcarousel-item-placeholder'));c[back?'before':'after'](e);if(this.first!==null&&this.options.wrap=='circular'&&this.options.size!==null&&(j<=0||j>this.options.size)){g=this.get(this.index(j));if(g.length){e=this.add(j,g.clone(true));}}}
c=e;d=this.dimension(e);if(p){l+=d;}
if(this.first!==null&&(this.options.wrap=='circular'||(j>=1&&(this.options.size===null||j<=this.options.size)))){pos=back?pos+d:pos-d;}}
var clipping=this.clipping(),cache=[],visible=0,v=0;c=this.get(i-1);j=i;while(++visible){e=this.get(j);p=!e.length;if(e.length===0){e=this.create(j).addClass(this.className('jcarousel-item-placeholder'));if(c.length===0){this.list.prepend(e);}else{c[back?'before':'after'](e);}
if(this.first!==null&&this.options.wrap=='circular'&&this.options.size!==null&&(j<=0||j>this.options.size)){g=this.get(this.index(j));if(g.length){e=this.add(j,g.clone(true));}}}
c=e;d=this.dimension(e);if(d===0){throw new Error('jCarousel: No width/height set for items. This will cause an infinite loop. Aborting...');}
if(this.options.wrap!='circular'&&this.options.size!==null&&j>this.options.size){cache.push(e);}else if(p){l+=d;}
v+=d;if(v>=clipping){break;}
j++;}
for(var x=0;x<cache.length;x++){cache[x].remove();}
if(l>0){this.list.css(this.wh,this.dimension(this.list)+l+'px');if(back){pos-=l;this.list.css(this.lt,$jc.intval(this.list.css(this.lt))-l+'px');}}
var last=i+visible-1;if(this.options.wrap!='circular'&&this.options.size&&last>this.options.size){last=this.options.size;}
if(j>last){visible=0;j=last;v=0;while(++visible){e=this.get(j--);if(!e.length){break;}
v+=this.dimension(e);if(v>=clipping){break;}}}
var first=last-visible+1;if(this.options.wrap!='circular'&&first<1){first=1;}
if(this.inTail&&back){pos+=this.tail;this.inTail=false;}
this.tail=null;if(this.options.wrap!='circular'&&last==this.options.size&&(last-visible+1)>=1){var m=$jc.intval(this.get(last).css(!this.options.vertical?'marginRight':'marginBottom'));if((v-m)>clipping){this.tail=v-clipping-m;}}
if(fv&&i===this.options.size&&this.tail){pos-=this.tail;this.inTail=true;}
while(i-->first){pos+=this.dimension(this.get(i));}
this.prevFirst=this.first;this.prevLast=this.last;this.first=first;this.last=last;return pos;},animate:function(p,a){if(this.locked||this.animating){return;}
this.animating=true;var self=this;var scrolled=function(){self.animating=false;if(p===0){self.list.css(self.lt,0);}
if(!self.autoStopped&&(self.options.wrap=='circular'||self.options.wrap=='both'||self.options.wrap=='last'||self.options.size===null||self.last<self.options.size||(self.last==self.options.size&&self.tail!==null&&!self.inTail))){self.startAuto();}
self.buttons();self.notify('onAfterAnimation');if(self.options.wrap=='circular'&&self.options.size!==null){for(var i=self.prevFirst;i<=self.prevLast;i++){if(i!==null&&!(i>=self.first&&i<=self.last)&&(i<1||i>self.options.size)){self.remove(i);}}}};this.notify('onBeforeAnimation');if(!this.options.animation||a===false){this.list.css(this.lt,p+'px');scrolled();}else{var o=!this.options.vertical?(this.options.rtl?{'right':p}:{'left':p}):{'top':p};var settings={duration:this.options.animation,easing:this.options.easing,complete:scrolled};if($.isFunction(this.options.animationStepCallback)){settings.step=this.options.animationStepCallback;}
this.list.animate(o,settings);}},startAuto:function(s){if(s!==undefined){this.options.auto=s;}
if(this.options.auto===0){return this.stopAuto();}
if(this.timer!==null){return;}
this.autoStopped=false;var self=this;this.timer=window.setTimeout(function(){self.next();},this.options.auto*1000);},stopAuto:function(){this.pauseAuto();this.autoStopped=true;},pauseAuto:function(){if(this.timer===null){return;}
window.clearTimeout(this.timer);this.timer=null;},buttons:function(n,p){if(n==null){n=!this.locked&&this.options.size!==0&&((this.options.wrap&&this.options.wrap!='first')||this.options.size===null||this.last<this.options.size);if(!this.locked&&(!this.options.wrap||this.options.wrap=='first')&&this.options.size!==null&&this.last>=this.options.size){n=this.tail!==null&&!this.inTail;}}
if(p==null){p=!this.locked&&this.options.size!==0&&((this.options.wrap&&this.options.wrap!='last')||this.first>1);if(!this.locked&&(!this.options.wrap||this.options.wrap=='last')&&this.options.size!==null&&this.first==1){p=this.tail!==null&&this.inTail;}}
var self=this;if(this.buttonNext.size()>0){this.buttonNext.unbind(this.options.buttonNextEvent+'.jcarousel',this.funcNext);if(n){this.buttonNext.bind(this.options.buttonNextEvent+'.jcarousel',this.funcNext);}
this.buttonNext[n?'removeClass':'addClass'](this.className('jcarousel-next-disabled')).attr('disabled',n?false:true);if(this.options.buttonNextCallback!==null&&this.buttonNext.data('jcarouselstate')!=n){this.buttonNext.each(function(){self.options.buttonNextCallback(self,this,n);}).data('jcarouselstate',n);}}else{if(this.options.buttonNextCallback!==null&&this.buttonNextState!=n){this.options.buttonNextCallback(self,null,n);}}
if(this.buttonPrev.size()>0){this.buttonPrev.unbind(this.options.buttonPrevEvent+'.jcarousel',this.funcPrev);if(p){this.buttonPrev.bind(this.options.buttonPrevEvent+'.jcarousel',this.funcPrev);}
this.buttonPrev[p?'removeClass':'addClass'](this.className('jcarousel-prev-disabled')).attr('disabled',p?false:true);if(this.options.buttonPrevCallback!==null&&this.buttonPrev.data('jcarouselstate')!=p){this.buttonPrev.each(function(){self.options.buttonPrevCallback(self,this,p);}).data('jcarouselstate',p);}}else{if(this.options.buttonPrevCallback!==null&&this.buttonPrevState!=p){this.options.buttonPrevCallback(self,null,p);}}
this.buttonNextState=n;this.buttonPrevState=p;},notify:function(evt){var state=this.prevFirst===null?'init':(this.prevFirst<this.first?'next':'prev');this.callback('itemLoadCallback',evt,state);if(this.prevFirst!==this.first){this.callback('itemFirstInCallback',evt,state,this.first);this.callback('itemFirstOutCallback',evt,state,this.prevFirst);}
if(this.prevLast!==this.last){this.callback('itemLastInCallback',evt,state,this.last);this.callback('itemLastOutCallback',evt,state,this.prevLast);}
this.callback('itemVisibleInCallback',evt,state,this.first,this.last,this.prevFirst,this.prevLast);this.callback('itemVisibleOutCallback',evt,state,this.prevFirst,this.prevLast,this.first,this.last);},callback:function(cb,evt,state,i1,i2,i3,i4){if(this.options[cb]==null||(typeof this.options[cb]!='object'&&evt!='onAfterAnimation')){return;}
var callback=typeof this.options[cb]=='object'?this.options[cb][evt]:this.options[cb];if(!$.isFunction(callback)){return;}
var self=this;if(i1===undefined){callback(self,state,evt);}else if(i2===undefined){this.get(i1).each(function(){callback(self,this,i1,state,evt);});}else{var call=function(i){self.get(i).each(function(){callback(self,this,i,state,evt);});};for(var i=i1;i<=i2;i++){if(i!==null&&!(i>=i3&&i<=i4)){call(i);}}}},create:function(i){return this.format('<li></li>',i);},format:function(e,i){e=$(e);var split=e.get(0).className.split(' ');for(var j=0;j<split.length;j++){if(split[j].indexOf('jcarousel-')!=-1){e.removeClass(split[j]);}}
e.addClass(this.className('jcarousel-item')).addClass(this.className('jcarousel-item-'+i)).css({'float':(this.options.rtl?'right':'left'),'list-style':'none'}).attr('jcarouselindex',i);return e;},className:function(c){return c+' '+c+(!this.options.vertical?'-horizontal':'-vertical');},dimension:function(e,d){var el=$(e);if(d==null){return!this.options.vertical?(el.outerWidth(true)||$jc.intval(this.options.itemFallbackDimension)):(el.outerHeight(true)||$jc.intval(this.options.itemFallbackDimension));}else{var w=!this.options.vertical?d-$jc.intval(el.css('marginLeft'))-$jc.intval(el.css('marginRight')):d-$jc.intval(el.css('marginTop'))-$jc.intval(el.css('marginBottom'));$(el).css(this.wh,w+'px');return this.dimension(el);}},clipping:function(){return!this.options.vertical?this.clip[0].offsetWidth-$jc.intval(this.clip.css('borderLeftWidth'))-$jc.intval(this.clip.css('borderRightWidth')):this.clip[0].offsetHeight-$jc.intval(this.clip.css('borderTopWidth'))-$jc.intval(this.clip.css('borderBottomWidth'));},index:function(i,s){if(s==null){s=this.options.size;}
return Math.round((((i-1)/s)-Math.floor((i-1)/s))*s)+1;}});$jc.extend({defaults:function(d){return $.extend(defaults,d||{});},intval:function(v){v=parseInt(v,10);return isNaN(v)?0:v;},windowLoaded:function(){windowLoaded=true;}});$.fn.jcarousel=function(o){if(typeof o=='string'){var instance=$(this).data('jcarousel'),args=Array.prototype.slice.call(arguments,1);return instance[o].apply(instance,args);}else{return this.each(function(){var instance=$(this).data('jcarousel');if(instance){if(o){$.extend(instance.options,o);}
instance.reload();}else{$(this).data('jcarousel',new $jc(this,o));}});}};})(jQuery);