/*
* 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(b){b.fn.jcarousel=function(c){if(typeof c=="string"){var d=b(this).data("jcarousel"),e=Array.prototype.slice.call(arguments,1);return d[c].apply(d,e)}else return this.each(function(){b(this).data("jcarousel",new a(this,c))})};var c={vertical:false,start:1,offset:1,size:null,scroll:1,visible:null,animation:"normal",easing:"swing",auto:0,wrap:null,initCallback:null,reloadCallback:null,itemLoadCallback:null,itemFirstInCallback:null,itemFirstOutCallback:null,itemLastInCallback:null,itemLastOutCallback:null,itemVisibleInCallback:null,itemVisibleOutCallback:null,buttonNextHTML:"<div></div>",buttonPrevHTML:"<div></div>",buttonNextEvent:"click",buttonPrevEvent:"click",buttonNextCallback:null,buttonPrevCallback:null};b.jcarousel=function(d,i){this.options=b.extend({},c,i||{});this.locked=false;this.container=null;this.clip=null;this.list=null;this.buttonNext=null;this.buttonPrev=null;this.wh=!this.options.vertical?"width":"height";this.lt=!this.options.vertical?"left":"top";for(var g="",f=d.className.split(" "),e=0;e<f.length;e++)if(f[e].indexOf("jcarousel-skin")!=-1){b(d).removeClass(f[e]);g=f[e];break}if(d.nodeName=="UL"||d.nodeName=="OL"){this.list=b(d);this.container=this.list.parent();if(this.container.hasClass("jcarousel-clip")){if(!this.container.parent().hasClass("jcarousel-container"))this.container=this.container.wrap("<div></div>");this.container=this.container.parent()}else if(!this.container.hasClass("jcarousel-container"))this.container=this.list.wrap("<div></div>").parent()}else{this.container=b(d);this.list=this.container.find("ul,ol").eq(0)}g!=""&&this.container.parent()[0].className.indexOf("jcarousel-skin")==-1&&this.container.wrap('<div class=" '+g+'"></div>');this.clip=this.list.parent();if(!this.clip.length||!this.clip.hasClass("jcarousel-clip"))this.clip=this.list.wrap("<div></div>").parent();this.buttonNext=b(".jcarousel-next",this.container);if(this.buttonNext.size()==0&&this.options.buttonNextHTML!=null)this.buttonNext=this.clip.after(this.options.buttonNextHTML).next();this.buttonNext.addClass(this.className("jcarousel-next"));this.buttonPrev=b(".jcarousel-prev",this.container);if(this.buttonPrev.size()==0&&this.options.buttonPrevHTML!=null)this.buttonPrev=this.clip.after(this.options.buttonPrevHTML).next();this.buttonPrev.addClass(this.className("jcarousel-prev"));this.clip.addClass(this.className("jcarousel-clip")).css({overflow:"hidden",position:"relative"});this.list.addClass(this.className("jcarousel-list")).css({overflow:"hidden",position:"relative",top:0,left:0,margin:0,padding:0});this.container.addClass(this.className("jcarousel-container")).css({position:"relative"});var k=this.options.visible!=null?Math.ceil(this.clipping()/this.options.visible):null,h=this.list.children("li"),a=this;if(h.size()>0){var j=0,e=this.options.offset;h.each(function(){a.format(this,e++);j+=a.dimension(this,k)});this.list.css(this.wh,j+"px");if(!i||i.size===undefined)this.options.size=h.size()}this.container.css("display","block");this.buttonNext.css("display","block");this.buttonPrev.css("display","block");this.funcNext=function(){a.next()};this.funcPrev=function(){a.prev()};this.funcResize=function(){a.reload()};this.options.initCallback!=null&&this.options.initCallback(this,"init");if(b.browser.safari){this.buttons(false,false);b(window).bind("load.jcarousel",function(){a.setup()})}else this.setup()};var a=b.jcarousel;a.fn=a.prototype={jcarousel:"0.2.4"};a.fn.extend=a.extend=b.extend;a.fn.extend({setup:function(){this.first=null;this.last=null;this.prevFirst=null;this.prevLast=null;this.animating=false;this.timer=null;this.tail=null;this.inTail=false;if(this.locked)return;this.list.css(this.lt,this.pos(this.options.offset)+"px");var a=this.pos(this.options.start);this.prevFirst=this.prevLast=null;this.animate(a,false);b(window).unbind("resize.jcarousel",this.funcResize).bind("resize.jcarousel",this.funcResize)},reset:function(){this.list.empty();this.list.css(this.lt,"0px");this.list.css(this.wh,"10px");this.options.initCallback!=null&&this.options.initCallback(this,"reset");this.setup()},reload:function(){this.tail!=null&&this.inTail&&this.list.css(this.lt,a.intval(this.list.css(this.lt))+this.tail);this.tail=null;this.inTail=false;this.options.reloadCallback!=null&&this.options.reloadCallback(this);if(this.options.visible!=null){var d=this,f=Math.ceil(this.clipping()/this.options.visible),c=0,e=0;b("li",this.list).each(function(a){c+=d.dimension(this,f);if(a+1<d.first)e=c});this.list.css(this.wh,c+"px");this.list.css(this.lt,-e+"px")}this.scroll(this.first,false)},lock:function(){this.locked=true;this.buttons()},unlock:function(){this.locked=false;this.buttons()},size:function(a){if(a!=undefined){this.options.size=a;!this.locked&&this.buttons()}return this.options.size},has:function(d,a){if(a==undefined||!a)a=d;if(this.options.size!==null&&a>this.options.size)a=this.options.size;for(var b=d;b<=a;b++){var c=this.get(b);if(!c.length||c.hasClass("jcarousel-item-placeholder"))return false}return true},"get":function(a){return b(".jcarousel-item-"+a,this.list)},add:function(c,f){var b=this.get(c),g=0,j=0;if(b.length==0){var d,b=this.create(c),e=a.intval(c);while(d=this.get(--e))if(e<=0||d.length){e<=0?this.list.prepend(b):d.after(b);break}}else g=this.dimension(b);b.removeClass(this.className("jcarousel-item-placeholder"));typeof f=="string"?b.html(f):b.empty().append(f);var i=this.options.visible!=null?Math.ceil(this.clipping()/this.options.visible):null,h=this.dimension(b,i)-g;c>0&&c<this.first&&this.list.css(this.lt,a.intval(this.list.css(this.lt))-h+"px");this.list.css(this.wh,a.intval(this.list.css(this.wh))+h+"px");return b},remove:function(b){var c=this.get(b);if(!c.length||b>=this.first&&b<=this.last)return;var d=this.dimension(c);b<this.first&&this.list.css(this.lt,a.intval(this.list.css(this.lt))+d+"px");c.remove();this.list.css(this.wh,a.intval(this.list.css(this.wh))-d+"px")},next:function(){this.stopAuto();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(){this.stopAuto();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(c){if(this.locked||this.animating||!this.tail)return;var b=a.intval(this.list.css(this.lt));!c?(b-=this.tail):(b+=this.tail);this.inTail=!c;this.prevFirst=this.first;this.prevLast=this.last;this.animate(b)},scroll:function(b,a){if(this.locked||this.animating)return;this.animate(this.pos(b),a)},pos:function(d){var g=a.intval(this.list.css(this.lt));if(this.locked||this.animating)return g;if(this.options.wrap!="circular")d=d<1?1:this.options.size&&d>this.options.size?this.options.size:d;var f=this.first>d,r=this.options.wrap!="circular"&&this.first<=1?1:this.first,m=f?this.get(r):this.get(this.last),b=f?r:r-1,c=null,l=0,p=false,h=0,k;while(f?--b>=d:++b<d){c=this.get(b);p=!c.length;if(c.length==0){c=this.create(b).addClass(this.className("jcarousel-item-placeholder"));m[f?"before":"after"](c);if(this.first!=null&&this.options.wrap=="circular"&&this.options.size!==null&&(b<=0||b>this.options.size)){k=this.get(this.index(b));k.length&&this.add(b,k.children().clone(true))}}m=c;h=this.dimension(c);if(p)l+=h;if(this.first!=null&&(this.options.wrap=="circular"||b>=1&&(this.options.size==null||b<=this.options.size)))g=f?g+h:g-h}var n=this.clipping(),q=[],j=0,b=d,i=0,m=this.get(d-1);while(++j){c=this.get(b);p=!c.length;if(c.length==0){c=this.create(b).addClass(this.className("jcarousel-item-placeholder"));m.length==0?this.list.prepend(c):m[f?"before":"after"](c);if(this.first!=null&&this.options.wrap=="circular"&&this.options.size!==null&&(b<=0||b>this.options.size)){k=this.get(this.index(b));k.length&&this.add(b,k.find(">*").clone(true))}}m=c;var h=this.dimension(c);if(h==0){alert("jCarousel: No width/height set for items. This will cause an infinite loop. Aborting...");return 0}if(this.options.wrap!="circular"&&this.options.size!==null&&b>this.options.size)q.push(c);else if(p)l+=h;i+=h;if(i>=n)break;b++}for(var s=0;s<q.length;s++)q[s].remove();if(l>0){this.list.css(this.wh,this.dimension(this.list)+l+"px");if(f){g-=l;this.list.css(this.lt,a.intval(this.list.css(this.lt))-l+"px")}}var e=d+j-1;if(this.options.wrap!="circular"&&this.options.size&&e>this.options.size)e=this.options.size;if(b>e){j=0,b=e,i=0;while(++j){var c=this.get(b--);if(!c.length)break;i+=this.dimension(c);if(i>=n)break}}var o=e-j+1;if(this.options.wrap!="circular"&&o<1)o=1;if(this.inTail&&f){g+=this.tail;this.inTail=false}this.tail=null;if(this.options.wrap!="circular"&&e==this.options.size&&e-j+1>=1){var t=a.margin(this.get(e),!this.options.vertical?"marginRight":"marginBottom");if(i-t>n)this.tail=i-n-t}while(d-->o)g+=this.dimension(this.get(d));this.prevFirst=this.first;this.prevLast=this.last;this.first=o;this.last=e;return g},animate:function(b,d){if(this.locked||this.animating)return;this.animating=true;var a=this,c=function(){a.animating=false;b==0&&a.list.css(a.lt,0);(a.options.wrap=="circular"||a.options.wrap=="both"||a.options.wrap=="last"||a.options.size==null||a.last<a.options.size)&&a.startAuto();a.buttons();a.notify("onAfterAnimation")};this.notify("onBeforeAnimation");if(!this.options.animation||d==false){this.list.css(this.lt,b+"px");c()}else{var e=!this.options.vertical?{left:b}:{top:b};this.list.animate(e,this.options.animation,this.options.easing,c)}},startAuto:function(a){if(a!=undefined)this.options.auto=a;if(this.options.auto==0)return this.stopAuto();if(this.timer!=null)return;var b=this;this.timer=setTimeout(function(){b.next()},this.options.auto*1e3)},stopAuto:function(){if(this.timer==null)return;clearTimeout(this.timer);this.timer=null},buttons:function(a,b){if(a==undefined||a==null){var a=!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)a=this.tail!=null&&!this.inTail}if(b==undefined||b==null){var b=!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)b=this.tail!=null&&this.inTail}var c=this;this.buttonNext[a?"bind":"unbind"](this.options.buttonNextEvent+".jcarousel",this.funcNext)[a?"removeClass":"addClass"](this.className("jcarousel-next-disabled")).attr("disabled",a?false:true);this.buttonPrev[b?"bind":"unbind"](this.options.buttonPrevEvent+".jcarousel",this.funcPrev)[b?"removeClass":"addClass"](this.className("jcarousel-prev-disabled")).attr("disabled",b?false:true);if(this.buttonNext.length>0&&(this.buttonNext[0].jcarouselstate==undefined||this.buttonNext[0].jcarouselstate!=a)&&this.options.buttonNextCallback!=null){this.buttonNext.each(function(){c.options.buttonNextCallback(c,this,a)});this.buttonNext[0].jcarouselstate=a}if(this.buttonPrev.length>0&&(this.buttonPrev[0].jcarouselstate==undefined||this.buttonPrev[0].jcarouselstate!=b)&&this.options.buttonPrevCallback!=null){this.buttonPrev.each(function(){c.options.buttonPrevCallback(c,this,b)});this.buttonPrev[0].jcarouselstate=b}},notify:function(b){var a=this.prevFirst==null?"init":this.prevFirst<this.first?"next":"prev";this.callback("itemLoadCallback",b,a);if(this.prevFirst!==this.first){this.callback("itemFirstInCallback",b,a,this.first);this.callback("itemFirstOutCallback",b,a,this.prevFirst)}if(this.prevLast!==this.last){this.callback("itemLastInCallback",b,a,this.last);this.callback("itemLastOutCallback",b,a,this.prevLast)}this.callback("itemVisibleInCallback",b,a,this.first,this.last,this.prevFirst,this.prevLast);this.callback("itemVisibleOutCallback",b,a,this.prevFirst,this.prevLast,this.first,this.last)},callback:function(d,c,g,f,i,j,k){if(this.options[d]==undefined||typeof this.options[d]!="object"&&c!="onAfterAnimation")return;var e=typeof this.options[d]=="object"?this.options[d][c]:this.options[d];if(!b.isFunction(e))return;var h=this;if(f===undefined)e(h,g,c);else if(i===undefined)this.get(f).each(function(){e(h,this,f,g,c)});else for(var a=f;a<=i;a++)a!==null&&!(a>=j&&a<=k)&&this.get(a).each(function(){e(h,this,a,g,c)})},create:function(a){return this.format("<li></li>",a)},format:function(d,c){var a=b(d).addClass(this.className("jcarousel-item")).addClass(this.className("jcarousel-item-"+c)).css({"float":"left","list-style":"none"});a.attr("jcarouselindex",c);return a},className:function(a){return a+" "+a+(!this.options.vertical?"-horizontal":"-vertical")},dimension:function(e,d){var c=e.jquery!=undefined?e[0]:e,f=!this.options.vertical?c.offsetWidth+a.margin(c,"marginLeft")+a.margin(c,"marginRight"):c.offsetHeight+a.margin(c,"marginTop")+a.margin(c,"marginBottom");if(d==undefined||f==d)return f;var g=!this.options.vertical?d-a.margin(c,"marginLeft")-a.margin(c,"marginRight"):d-a.margin(c,"marginTop")-a.margin(c,"marginBottom");b(c).css(this.wh,g+"px");return this.dimension(c)},clipping:function(){return!this.options.vertical?this.clip[0].offsetWidth-a.intval(this.clip.css("borderLeftWidth"))-a.intval(this.clip.css("borderRightWidth")):this.clip[0].offsetHeight-a.intval(this.clip.css("borderTopWidth"))-a.intval(this.clip.css("borderBottomWidth"))},index:function(b,a){if(a==undefined)a=this.options.size;return Math.round(((b-1)/a-Math.floor((b-1)/a))*a)+1}});a.extend({defaults:function(a){return b.extend(c,a||{})},margin:function(d,h){if(!d)return 0;var c=d.jquery!=undefined?d[0]:d;if(h=="marginRight"&&b.browser.safari){var e={display:"block","float":"none",width:"auto"},g,f;b.swap(c,e,function(){g=c.offsetWidth});e.marginRight=0;b.swap(c,e,function(){f=c.offsetWidth});return f-g}return a.intval(b.css(c,h))},intval:function(a){a=parseInt(a);return isNaN(a)?0:a}})})(jQuery)