if(typeof(AC)=="undefined"){AC={}}AC.ProductBrowser=function(g){var y=1,q=7,r=g.select("ul"),t=r.length,p=g.getWidth(),o=$(g.id.replace(/^pb-/,"pb-pi-")),a=(o)?o.select("a"):[],E=(o)?o.down("b.caret"):false,x=g.down(".pb-slide"),n=true,B=false,u=0,C=false,j=e();
this.pagesContainer=g;this.pagesContainer.addClassName("pb-dynamic");if(o&&t>0){document.observe("keydown",s)
}if(j){var D=function(i){if((i.target==g&&i.propertyName=="opacity")||i.eventName=="ac:reveal:cancel"){g.addClassName("pb-open");
g.removeVendorEventListener("transitionEnd",D,false)}};document.observe("ac:reveal:cancel",D);
g.addVendorEventListener("transitionEnd",D,false);if(o&&t>0){x.trackTouches(c,A,f);
x.addVendorEventListener("transitionEnd",h);for(var z=t-1;z>=0;z--){r[z].addVendorEventListener("animationStart",m);
r[z].addVendorEventListener("animationEnd",k)}}}else{g.addClassName("pb-open pb-degraded")
}function e(){var F=AC.Detector.isCSSAvailable("animation");if(F&&AC.Detector.isWebKit()){var i=AC.Detector.getAgent().match(/version\/(\d)/);
if(!i){return F}if(i[1]){i=i[1]}if(i){i=parseInt(i)}if(i==NaN){return F}if(i<5){return false
}}return F}function m(i){i.target.addClassName("started")}function k(i){if(i.animationName.match("open")){if(!B){B=r[0].items.length
}if(B--==1){g.removeClassName("pb-open");g.addClassName("pb-opened")}}if(i.target.hasAttribute("exit")||i.target.hasAttribute("exited")){i.target.setAttribute("exited",i.target.getAttribute("exit"));
i.target.removeAttribute("exit");if(!i.target.next()){var F=i.target.up("ul");if(F){F.setAttribute("exited",i.target.getAttribute("exited"));
F.removeAttribute("exit")}$$("[toenter]").each(function(G){G.setAttribute("enter",G.getAttribute("toenter"));
G.removeAttribute("toenter")})}}if(i.target.hasAttribute("enter")||i.target.hasAttribute("entered")){i.target.setAttribute("entered",i.target.getAttribute("enter"));
i.target.removeAttribute("enter");i.target.removeAttribute("style");if(!i.target.next()){var F=i.target.up("ul");
if(F){F.setAttribute("entered",i.target.getAttribute("entered"));F.removeAttribute("enter")
}}C=false}}function h(i){if(i.target==x&&x.hasClassName("end")){n=true;l(y);x.setVendorPrefixStyle("transition-duration","");
x.setVendorPrefixTransform(0,0);x.removeClassName("active");x.removeClassName("end");
x.removeClassName("toucheslock");C=false}}function s(G){if(!!C){return}var I="";
if(G.keyCode==Event.KEY_RIGHT){I="next"}else{if(G.keyCode==Event.KEY_LEFT){I="previous"
}}if(!I){return}var H=(G.target)?G.target:G.srcElement,F=H.getAttribute("contenteditable"),i=true;
if(F==null){i=false}if(i&&F==document.body.getAttribute("contenteditable")){i=false
}if(i&&F=="false"){i=false}if(H.tagName.toLowerCase()=="input"||H.tagName.toLowerCase()=="textarea"||H.tagName.toLowerCase()=="select"||i){return
}if((I=="next"&&y==t)||(I=="previous"&&y==1)){return}if(I=="next"){y++}if(I=="previous"){y--
}C=true;l(y,I)}function c(i){if(!!C){return}x.setVendorPrefixStyle("transition-duration","0");
x.addClassName("active");u=-p*(y-1);x.setVendorPrefixTransform(u+"px",0)}function A(i){if(!!C){return
}if(AC.Detector.iOSVersion()<4){x.setVendorPrefixStyle("transition-duration","")
}x.setVendorPrefixTransform((u-i.difference.x)+"px",0)}function f(i){if(!!C){return
}C=true;x.addClassName("toucheslock");if(!(i.direction.x=="right"&&y==t)&&!(i.direction.x=="left"&&y==1)){if(i.direction.x=="right"){y++
}if(i.direction.x=="left"){y--}}x.addClassName("end");x.setVendorPrefixStyle("transition-duration","300ms");
x.setVendorPrefixTransform("-"+p*(y-1)+"px",0);d(y)}function w(i){C=false}function b(i){if(!!C){return
}C=true;var F=parseInt(i.findElement("[page]").getAttribute("page"));if(F==y){C=false;
return}if(F){l(F)}}var d=this.updateControls=function(F){if(o&&t>0){for(var I=0;
I<t;I++){if(!a[I].hasAttribute("page")){a[I].setAttribute("page",I+1);a[I].observe("click",b)
}if(I+1==F){var G=a[I].addClassName("active")}else{a[I].removeClassName("active")
}}if(o.className.match("page-")){o.className=o.className.replace(/page-\d/,"page-"+F)
}else{o.className+=" page-"+F}if(E&&G){var J=G.positionedOffset().left,L=G.getWidth()/2,H=parseInt(J+L);
if(j){E.setVendorPrefixTransform(H+"px",0);var K=function(i){if(i.target==E){E.setVendorPrefixTransform(H+"px",0);
E.removeVendorEventListener("transitionEnd",K,false)}};E.addVendorEventListener("transitionEnd",K,false)
}else{if(n){E.style.left=H+"px"}else{E.morph("left:"+H+"px",{duration:0.4})}}}}};
var v=function(i){var F=AC.Tracking.pageName()+" - product nav - "+((a[i-1])?a[i-1].innerHTML:"");
AC.Tracking.trackClick({prop3:F},this,"o",F)};var l=this.update=function(i,F){if(t>1){if(!F){F=(y>i)?"previous":"next"
}if(typeof(i)=="number"){y=i}if(!n){v(y)}r.each(function(H,G){G++;if(G<y){H.wrapper.removeAttribute("enter");
H.wrapper.removeAttribute("entered");if(!j&&H.wrapper.visible()){Effect.Fade(H.wrapper,{duration:0.6})
}else{if(n){H.wrapper.setAttribute("exited","previous")}else{if(!H.wrapper.hasAttribute("exited")){H.wrapper.setAttribute("exit","previous")
}}}}else{if(G>y){H.wrapper.removeAttribute("enter");H.wrapper.removeAttribute("entered");
if(!j&&H.wrapper.visible()){if(n){H.wrapper.hide()}else{Effect.Fade(H.wrapper,{duration:0.6})
}}else{if(n){H.wrapper.setAttribute("exited","next")}else{if(!H.wrapper.hasAttribute("exited")){H.wrapper.setAttribute("exit","next")
}}}}else{H.wrapper.removeAttribute("exit");H.wrapper.removeAttribute("exited");
if(!j){Effect.Appear(H.wrapper,{duration:0.6,afterFinish:w})}else{if(n){H.wrapper.setAttribute("entered",F)
}else{H.wrapper.setAttribute("toenter",F)}}}}H.items.each(function(I){I.removeClassName("started");
if(G<y){I.removeAttribute("enter");I.removeAttribute("entered");if(n){I.setAttribute("exited","previous")
}else{if(!I.hasAttribute("exited")){I.setAttribute("exit","previous")}}}else{if(G>y){I.removeAttribute("enter");
I.removeAttribute("entered");if(n){I.setAttribute("exited","next")}else{if(!I.hasAttribute("exited")){I.setAttribute("exit","next")
}}}else{I.removeAttribute("exit");I.removeAttribute("exited");if(n){I.setAttribute("entered",F)
}else{I.setAttribute("toenter",F)}}}})})}d(i);n=false};r.each(function(H,F){r[F]={index:F+1,wrapper:H,items:H.select("li")};
H.writeAttribute("page",F+1);H.setStyle({width:"auto"});var G=H.getWidth();var I=Math.floor((p-G)/2);
H.setStyle({width:G+"px",margin:"0 "+I+"px"})});y=1;x.style.width=p*r.length+"px";
this.update(1)};AC.ProductBrowser.setup=function(){var c=document.getElementsByTagName("head")[0];
var b=document.createElement("script");b.type="text/javascript";b.setAttribute("src","http://images.apple.com/global/scripts/pagingview.js");
c.appendChild(b);var b=document.createElement("script");b.type="text/javascript";
b.setAttribute("src","http://images.apple.com/global/scripts/reveal.js");c.appendChild(b);AC.ProductBrowser.browsers={};
var a=$$(".productbrowser");document.observe("ac:trackTouches:load",function(){a.each(function(d){AC.ProductBrowser.browsers[d.id]=new AC.ProductBrowser(d)
})})};AC.ProductBrowser.setup();