YAHOO.namespace("extension");YAHOO.extension.Carousel=function(B,A){this.init(B,A)};YAHOO.extension.Carousel.prototype={UNBOUNDED_SIZE:1000000,init:function(N,J){var I=this;this.getCarouselItem=this.getItem;var B="carousel-list";var C="carousel-clip-region";var F="carousel-next";var E="carousel-prev";this._carouselElemID=N;this.carouselElem=YAHOO.util.Dom.get(N);this._prevEnabled=true;this._nextEnabled=true;this.cfg=new YAHOO.util.Config(this);this.cfg.addProperty("scrollBeforeAmount",{value:0,handler:function(P,O,Q){},validator:I.cfg.checkNumber});this.cfg.addProperty("scrollAfterAmount",{value:0,handler:function(P,O,Q){},validator:I.cfg.checkNumber});this.cfg.addProperty("loadOnStart",{value:true,handler:function(P,O,Q){},validator:I.cfg.checkBoolean});this.cfg.addProperty("orientation",{value:"horizontal",handler:function(P,O,Q){I.reload()},validator:function(O){if(typeof O=="string"){return("horizontal,vertical".indexOf(O.toLowerCase())!=-1)}else{return false}}});this.cfg.addProperty("size",{value:this.UNBOUNDED_SIZE,handler:function(P,O,Q){I.reload()},validator:I.cfg.checkNumber});this.cfg.addProperty("numVisible",{value:3,handler:function(P,O,Q){I.reload()},validator:I.cfg.checkNumber});this.cfg.addProperty("firstVisible",{value:1,handler:function(P,O,Q){I.moveTo(O[0])},validator:I.cfg.checkNumber});this.cfg.addProperty("scrollInc",{value:3,handler:function(P,O,Q){},validator:I.cfg.checkNumber});this.cfg.addProperty("animationSpeed",{value:0.25,handler:function(P,O,Q){I.animationSpeed=O[0]},validator:I.cfg.checkNumber});this.cfg.addProperty("animationMethod",{value:YAHOO.util.Easing.easeOut,handler:function(P,O,Q){}});this.cfg.addProperty("animationCompleteHandler",{value:null,handler:function(P,O,Q){if(I._animationCompleteEvt){I._animationCompleteEvt.unsubscribe(I._currAnimationCompleteHandler,I)}I._currAnimationCompleteHandler=O[0];if(I._currAnimationCompleteHandler){if(!I._animationCompleteEvt){I._animationCompleteEvt=new YAHOO.util.CustomEvent("onAnimationComplete",I)}I._animationCompleteEvt.subscribe(I._currAnimationCompleteHandler,I)}}});this.cfg.addProperty("autoPlay",{value:0,handler:function(Q,O,R){var P=O[0];if(P>0){I.startAutoPlay()}else{I.stopAutoPlay()}}});this.cfg.addProperty("wrap",{value:false,handler:function(P,O,Q){},validator:I.cfg.checkBoolean});this.cfg.addProperty("navMargin",{value:0,handler:function(P,O,Q){I.calculateSize()},validator:I.cfg.checkNumber});this.cfg.addProperty("revealAmount",{value:0,handler:function(P,O,Q){I.reload()},validator:I.cfg.checkNumber});this.cfg.addProperty("prevElementID",{value:null,handler:function(P,O,Q){if(I._carouselPrev){YAHOO.util.Event.removeListener(I._carouselPrev,"click",I._scrollPrev)}I._prevElementID=O[0];if(I._prevElementID==null){I._carouselPrev=YAHOO.util.Dom.getElementsByClassName(E,"div",I.carouselElem)[0]}else{I._carouselPrev=YAHOO.util.Dom.get(I._prevElementID)}YAHOO.util.Event.addListener(I._carouselPrev,"click",I._scrollPrev,I)}});this.cfg.addProperty("prevElement",{value:null,handler:function(P,O,Q){if(I._carouselPrev){YAHOO.util.Event.removeListener(I._carouselPrev,"click",I._scrollPrev)}I._prevElementID=O[0];if(I._prevElementID==null){I._carouselPrev=YAHOO.util.Dom.getElementsByClassName(E,"div",I.carouselElem)[0]}else{I._carouselPrev=YAHOO.util.Dom.get(I._prevElementID)}YAHOO.util.Event.addListener(I._carouselPrev,"click",I._scrollPrev,I)}});this.cfg.addProperty("nextElementID",{value:null,handler:function(P,O,Q){if(I._carouselNext){YAHOO.util.Event.removeListener(I._carouselNext,"click",I._scrollNext)}I._nextElementID=O[0];if(I._nextElementID==null){I._carouselNext=YAHOO.util.Dom.getElementsByClassName(F,"div",I.carouselElem)}else{I._carouselNext=YAHOO.util.Dom.get(I._nextElementID)}if(I._carouselNext){YAHOO.util.Event.addListener(I._carouselNext,"click",I._scrollNext,I)}}});this.cfg.addProperty("nextElement",{value:null,handler:function(P,O,Q){if(I._carouselNext){YAHOO.util.Event.removeListener(I._carouselNext,"click",I._scrollNext)}I._nextElementID=O[0];if(I._nextElementID==null){I._carouselNext=YAHOO.util.Dom.getElementsByClassName(F,"div",I.carouselElem)}else{I._carouselNext=YAHOO.util.Dom.get(I._nextElementID)}if(I._carouselNext){YAHOO.util.Event.addListener(I._carouselNext,"click",I._scrollNext,I)}}});this.cfg.addProperty("disableSelection",{value:true,handler:function(P,O,Q){},validator:I.cfg.checkBoolean});this.cfg.addProperty("loadInitHandler",{value:null,handler:function(P,O,Q){if(I._loadInitHandlerEvt){I._loadInitHandlerEvt.unsubscribe(I._currLoadInitHandler,I)}I._currLoadInitHandler=O[0];if(I._currLoadInitHandler){if(!I._loadInitHandlerEvt){I._loadInitHandlerEvt=new YAHOO.util.CustomEvent("onLoadInit",I)}I._loadInitHandlerEvt.subscribe(I._currLoadInitHandler,I)}}});this.cfg.addProperty("loadNextHandler",{value:null,handler:function(P,O,Q){if(I._loadNextHandlerEvt){I._loadNextHandlerEvt.unsubscribe(I._currLoadNextHandler,I)}I._currLoadNextHandler=O[0];if(I._currLoadNextHandler){if(!I._loadNextHandlerEvt){I._loadNextHandlerEvt=new YAHOO.util.CustomEvent("onLoadNext",I)}I._loadNextHandlerEvt.subscribe(I._currLoadNextHandler,I)}}});this.cfg.addProperty("loadPrevHandler",{value:null,handler:function(P,O,Q){if(I._loadPrevHandlerEvt){I._loadPrevHandlerEvt.unsubscribe(I._currLoadPrevHandler,I)}I._currLoadPrevHandler=O[0];if(I._currLoadPrevHandler){if(!I._loadPrevHandlerEvt){I._loadPrevHandlerEvt=new YAHOO.util.CustomEvent("onLoadPrev",I)}I._loadPrevHandlerEvt.subscribe(I._currLoadPrevHandler,I)}}});this.cfg.addProperty("prevButtonStateHandler",{value:null,handler:function(P,O,Q){if(I._currPrevButtonStateHandler){I._prevButtonStateHandlerEvt.unsubscribe(I._currPrevButtonStateHandler,I)}I._currPrevButtonStateHandler=O[0];if(I._currPrevButtonStateHandler){if(!I._prevButtonStateHandlerEvt){I._prevButtonStateHandlerEvt=new YAHOO.util.CustomEvent("onPrevButtonStateChange",I)}I._prevButtonStateHandlerEvt.subscribe(I._currPrevButtonStateHandler,I)}}});this.cfg.addProperty("nextButtonStateHandler",{value:null,handler:function(P,O,Q){if(I._currNextButtonStateHandler){I._nextButtonStateHandlerEvt.unsubscribe(I._currNextButtonStateHandler,I)}I._currNextButtonStateHandler=O[0];if(I._currNextButtonStateHandler){if(!I._nextButtonStateHandlerEvt){I._nextButtonStateHandlerEvt=new YAHOO.util.CustomEvent("onNextButtonStateChange",I)}I._nextButtonStateHandlerEvt.subscribe(I._currNextButtonStateHandler,I)}}});if(J){this.cfg.applyConfig(J)}YAHOO.util.Event.addListener(this.carouselElem,"mousedown",this._handleMouseDownForSelection,this,true);this._origFirstVisible=this.cfg.getProperty("firstVisible");this._currLoadInitHandler=this.cfg.getProperty("loadInitHandler");this._currLoadNextHandler=this.cfg.getProperty("loadNextHandler");this._currLoadPrevHandler=this.cfg.getProperty("loadPrevHandler");this._currPrevButtonStateHandler=this.cfg.getProperty("prevButtonStateHandler");this._currNextButtonStateHandler=this.cfg.getProperty("nextButtonStateHandler");this._currAnimationCompleteHandler=this.cfg.getProperty("animationCompleteHandler");this._nextElementID=this.cfg.getProperty("nextElementID");if(!this._nextElementID){this._nextElementID=this.cfg.getProperty("nextElement")}this._prevElementID=this.cfg.getProperty("prevElementID");if(!this._prevElementID){this._prevElementID=this.cfg.getProperty("prevElement")}this._autoPlayTimer=null;this._priorLastVisible=this._priorFirstVisible=this.cfg.getProperty("firstVisible");this._lastPrebuiltIdx=0;this.carouselList=YAHOO.util.Dom.getElementsByClassName(B,"ul",this.carouselElem)[0];if(this._nextElementID==null){this._carouselNext=YAHOO.util.Dom.getElementsByClassName(F,"div",this.carouselElem)[0]}else{this._carouselNext=YAHOO.util.Dom.get(this._nextElementID)}if(this._prevElementID==null){this._carouselPrev=YAHOO.util.Dom.getElementsByClassName(E,"div",this.carouselElem)[0]}else{this._carouselPrev=YAHOO.util.Dom.get(this._prevElementID)}this._clipReg=YAHOO.util.Dom.getElementsByClassName(C,"div",this.carouselElem)[0];if(this.isVertical()){YAHOO.util.Dom.addClass(this.carouselList,"carousel-vertical")}this._scrollNextAnim=new YAHOO.util.Motion(this.carouselList,this.scrollNextParams,this.cfg.getProperty("animationSpeed"),this.cfg.getProperty("animationMethod"));this._scrollPrevAnim=new YAHOO.util.Motion(this.carouselList,this.scrollPrevParams,this.cfg.getProperty("animationSpeed"),this.cfg.getProperty("animationMethod"));if(this._carouselNext){YAHOO.util.Event.addListener(this._carouselNext,"click",this._scrollNext,this)}if(this._carouselPrev){YAHOO.util.Event.addListener(this._carouselPrev,"click",this._scrollPrev,this)}var H=this.cfg.getProperty("loadInitHandler");if(H){this._loadInitHandlerEvt=new YAHOO.util.CustomEvent("onLoadInit",this);this._loadInitHandlerEvt.subscribe(H,this)}var L=this.cfg.getProperty("loadNextHandler");if(L){this._loadNextHandlerEvt=new YAHOO.util.CustomEvent("onLoadNext",this);this._loadNextHandlerEvt.subscribe(L,this)}var M=this.cfg.getProperty("loadPrevHandler");if(M){this._loadPrevHandlerEvt=new YAHOO.util.CustomEvent("onLoadPrev",this);this._loadPrevHandlerEvt.subscribe(M,this)}var K=this.cfg.getProperty("animationCompleteHandler");if(K){this._animationCompleteEvt=new YAHOO.util.CustomEvent("onAnimationComplete",this);this._animationCompleteEvt.subscribe(K,this)}var A=this.cfg.getProperty("prevButtonStateHandler");if(A){this._prevButtonStateHandlerEvt=new YAHOO.util.CustomEvent("onPrevButtonStateChange",this);this._prevButtonStateHandlerEvt.subscribe(A,this)}var G=this.cfg.getProperty("nextButtonStateHandler");if(G){this._nextButtonStateHandlerEvt=new YAHOO.util.CustomEvent("onNextButtonStateChange",this);this._nextButtonStateHandlerEvt.subscribe(G,this)}var D=this._calculateVisibleExtent();YAHOO.util.Event.onAvailable(this._carouselElemID+"-item-"+D.start,this._calculateSize,this);if(this.cfg.getProperty("loadOnStart")){this._loadInitial()}},_handleMouseDownForSelection:function(A){if(this.cfg.getProperty("disableSelection")){YAHOO.util.Event.preventDefault(A);YAHOO.util.Event.stopPropagation(A)}},clear:function(){var A=this.cfg.getProperty("loadInitHandler");if(A){this._removeChildrenFromNode(this.carouselList);this._lastPrebuiltIdx=0}this.stopAutoPlay();this._priorLastVisible=this._priorFirstVisible=this._origFirstVisible;this.cfg.setProperty("firstVisible",this._origFirstVisible,true);this.moveTo(this._origFirstVisible)},reload:function(B){if(this._isValidObj(B)){this.cfg.setProperty("numVisible",B)}this.clear();var A=this._calculateVisibleExtent();YAHOO.util.Event.onAvailable(this._carouselElemID+"-item-"+A.start,this._calculateSize,this);this._loadInitial()},load:function(){var A=this._calculateVisibleExtent();YAHOO.util.Event.onAvailable(this._carouselElemID+"-item-"+A.start,this._calculateSize,this);this._loadInitial()},addItem:function(C,B,D){if(C>this.cfg.getProperty("size")){return null}var E=this.getItem(C);if(!this._isValidObj(E)){E=this._createItem(C,B);this.carouselList.appendChild(E)}else{if(this._isValidObj(E.placeholder)){var A=this._createItem(C,B);this.carouselList.replaceChild(A,E);E=A}}if(this._isValidObj(D)){YAHOO.util.Dom.addClass(E,D)}if(this.isVertical()){setTimeout(function(){E.style.display="block"},1)}return E},insertBefore:function(B,D){if(B>=this.cfg.getProperty("size")){return null}if(B<1){B=1}var A=B-1;if(A>this._lastPrebuiltIdx){this._prebuildItems(this._lastPrebuiltIdx,B)}var C=this._insertBeforeItem(B,D);this._enableDisableControls();return C},insertAfter:function(B,D){if(B>this.cfg.getProperty("size")){B=this.cfg.getProperty("size")}var A=B+1;if(A>this._lastPrebuiltIdx){this._prebuildItems(this._lastPrebuiltIdx,A+1)}var C=this._insertAfterItem(B,D);if(A>this.cfg.getProperty("size")){this.cfg.setProperty("size",A,true)}this._enableDisableControls();return C},scrollNext:function(){this._scrollNext(null,this);this._autoPlayTimer=null;if(this.cfg.getProperty("autoPlay")!==0){this._autoPlayTimer=this.startAutoPlay()}},scrollPrev:function(){this._scrollPrev(null,this)},scrollTo:function(A){this._position(A,true)},moveTo:function(A){this._position(A,false)},startAutoPlay:function(A){if(this._isValidObj(A)){this.cfg.setProperty("autoPlay",A,true)}if(this._autoPlayTimer!==null){return this._autoPlayTimer}var C=this;var B=function(){C.scrollNext()};this._autoPlayTimer=setTimeout(B,this.cfg.getProperty("autoPlay"));return this._autoPlayTimer},stopAutoPlay:function(){if(this._autoPlayTimer!==null){clearTimeout(this._autoPlayTimer);this._autoPlayTimer=null}},isVertical:function(){return(this.cfg.getProperty("orientation")!="horizontal")},isItemLoaded:function(A){var B=this.getItem(A);if(this._isValidObj(B)&&!this._isValidObj(B.placeholder)){return true}return false},getItem:function(A){var B=this._carouselElemID+"-item-"+A;var C=YAHOO.util.Dom.get(B);return C},show:function(){YAHOO.util.Dom.setStyle(this.carouselElem,"display","block");this.calculateSize()},hide:function(){YAHOO.util.Dom.setStyle(this.carouselElem,"display","none")},calculateSize:function(){var f=this.carouselList.childNodes;var Q=null;for(var a=0;a<f.length;a++){Q=f[a];if(Q.tagName=="LI"||Q.tagName=="li"){break}}var Z=this.cfg.getProperty("navMargin");var h=this.cfg.getProperty("numVisible");var H=this.cfg.getProperty("firstVisible");var d=this._getStyleVal(Q,"paddingLeft");var W=this._getStyleVal(Q,"paddingRight");var c=this._getStyleVal(Q,"marginLeft");var V=this._getStyleVal(Q,"marginRight");var U=this._getStyleVal(Q,"paddingTop");var C=this._getStyleVal(Q,"paddingBottom");var T=this._getStyleVal(Q,"marginTop");var A=this._getStyleVal(Q,"marginBottom");YAHOO.util.Dom.removeClass(this.carouselList,"carousel-vertical");YAHOO.util.Dom.removeClass(this.carouselList,"carousel-horizontal");if(this.isVertical()){var S=d+W+c+V;YAHOO.util.Dom.addClass(this.carouselList,"carousel-vertical");var F=U+C+T+A;var J=this._getStyleVal(this.carouselList,"paddingTop");var Y=this._getStyleVal(this.carouselList,"paddingBottom");var I=this._getStyleVal(this.carouselList,"marginTop");var X=this._getStyleVal(this.carouselList,"marginBottom");var g=J+Y+I+X;var O=(this._isExtraRevealed())?(this.cfg.getProperty("revealAmount")+(F)/2):0;var D=this._getStyleVal(Q,"height",true);this.scrollAmountPerInc=(D+F);var E=this._getStyleVal(Q,"width");this.carouselElem.style.width=(E+S)+"px";this._clipReg.style.height=(this.scrollAmountPerInc*h+O*2+g)+"px";this.carouselElem.style.height=(this.scrollAmountPerInc*h+O*2+Z*2+g)+"px";var b=(this._isExtraRevealed())?(O-(Math.abs(T-A)+Math.abs(U-C))/2):0;YAHOO.util.Dom.setStyle(this.carouselList,"position","relative");YAHOO.util.Dom.setStyle(this.carouselList,"top",""+b+"px");var M=YAHOO.util.Dom.getY(this.carouselList);YAHOO.util.Dom.setY(this.carouselList,M-this.scrollAmountPerInc*(H-1))}else{YAHOO.util.Dom.addClass(this.carouselList,"carousel-horizontal");var R=this._getStyleVal(this.carouselList,"paddingLeft");var L=this._getStyleVal(this.carouselList,"paddingRight");var P=this._getStyleVal(this.carouselList,"marginLeft");var K=this._getStyleVal(this.carouselList,"marginRight");var G=R+L+P+K;var e=c+V;var S=e+W+d;var O=(this._isExtraRevealed())?(this.cfg.getProperty("revealAmount")+(S)/2):0;var E=Q.offsetWidth;this.scrollAmountPerInc=E+e;this._clipReg.style.width=(this.scrollAmountPerInc*h+O*2)+"px";this.carouselElem.style.width=(this.scrollAmountPerInc*h+Z*2+O*2+G)+"px";var B=(this._isExtraRevealed())?(O-(Math.abs(V-c)+Math.abs(W-d))/2-(P+R)):0;YAHOO.util.Dom.setStyle(this.carouselList,"position","relative");YAHOO.util.Dom.setStyle(this.carouselList,"left",""+B+"px");var N=YAHOO.util.Dom.getX(this.carouselList);YAHOO.util.Dom.setX(this.carouselList,N-this.scrollAmountPerInc*(H-1))}},setProperty:function(C,B,A){this.cfg.setProperty(C,B,A)},getProperty:function(A){return this.cfg.getProperty(A)},getFirstItemRevealed:function(){return this._firstItemRevealed},getLastItemRevealed:function(){return this._lastItemRevealed},getFirstVisible:function(){return this.cfg.getProperty("firstVisible")},getLastVisible:function(){var B=this.cfg.getProperty("firstVisible");var A=this.cfg.getProperty("numVisible");return B+A-1},_getStyleVal:function(A,C,D){var B=YAHOO.util.Dom.getStyle(A,C);var E=D?parseFloat(B):parseInt(B,10);if(C=="height"&&isNaN(E)){E=A.offsetHeight}else{if(isNaN(E)){E=0}}return E},_calculateSize:function(A){A.calculateSize();A.show()},_removeChildrenFromNode:function(B){if(!this._isValidObj(B)){return }var A=B.childNodes.length;while(B.hasChildNodes()){B.removeChild(B.firstChild)}},_prebuildLiElem:function(A){if(A<1){return }var B=document.createElement("li");B.id=this._carouselElemID+"-item-"+A;B.placeholder=true;this.carouselList.appendChild(B);this._lastPrebuiltIdx=(A>this._lastPrebuiltIdx)?A:this._lastPrebuiltIdx},_createItem:function(B,A){if(B<1){return }var C=document.createElement("li");C.id=this._carouselElemID+"-item-"+B;if(typeof (A)==="string"){C.innerHTML=A}else{C.appendChild(A)}return C},_insertAfterItem:function(B,A){return this._insertBeforeItem(B+1,A)},_insertBeforeItem:function(G,A){var B=this.getItem(G);var D=this.cfg.getProperty("size");if(D!=this.UNBOUNDED_SIZE){this.cfg.setProperty("size",D+1,true)}for(var C=this._lastPrebuiltIdx;C>=G;C--){var F=this.getItem(C);if(this._isValidObj(F)){F.id=this._carouselElemID+"-item-"+(C+1)}}var H=this._createItem(G,A);var E=this.carouselList.insertBefore(H,B);this._lastPrebuiltIdx+=1;return H},insertAfterEnd:function(A){return this.insertAfter(this.cfg.getProperty("size"),A)},_position:function(A,B){var C=this._priorFirstVisible;if(A>C){var D=A-C;this._scrollNextInc(D,B)}else{var E=C-A;this._scrollPrevInc(E,B)}},_scrollPrev:function(B,A){if(B!==null){A.stopAutoPlay()}A._scrollPrevInc(A.cfg.getProperty("scrollInc"),(A.cfg.getProperty("animationSpeed")!==0))},_scrollNext:function(B,A){if(B!==null){A.stopAutoPlay()}A._scrollNextInc(A.cfg.getProperty("scrollInc"),(A.cfg.getProperty("animationSpeed")!==0))},_handleAnimationComplete:function(C,B,A){var E=A[0];var D=A[1];E._animationCompleteEvt.fire(D)},_areAllItemsLoaded:function(D,C){var A=true;for(var B=D;B<=C;B++){var E=this.getItem(B);if(!this._isValidObj(E)){this._prebuildLiElem(B);A=false}else{if(this._isValidObj(E.placeholder)){A=false}}}return A},_prebuildItems:function(C,B){for(var A=C;A<=B;A++){var D=this.getItem(A);if(!this._isValidObj(D)){this._prebuildLiElem(A)}}},_isExtraRevealed:function(){return(this.cfg.getProperty("revealAmount")>0)},_scrollNextInc:function(E,J){if(this._scrollNextAnim.isAnimated()||this._scrollPrevAnim.isAnimated()){return false}var N=this.cfg.getProperty("numVisible");var L=this._priorFirstVisible;var I=this._priorLastVisible;var O=this.cfg.getProperty("size");var A=this._calculateAllowableScrollExtent();if(this.cfg.getProperty("wrap")&&I==A.end){this.moveTo(A.start);return }var K=L+E;var G=K+N-1;if(G>A.end){G=A.end;K=G-N+1}E=K-L;this.cfg.setProperty("firstVisible",K,true);if(E>0){if(this._isValidObj(this.cfg.getProperty("loadNextHandler"))){var D=this._calculateVisibleExtent(K,G);var F=(I+1)<D.start?(I+1):D.start;var H=this._areAllItemsLoaded(F,D.end);this._loadNextHandlerEvt.fire(D.start,D.end,H)}if(J){var M={points:{by:[-this.scrollAmountPerInc*E,0]}};if(this.isVertical()){M={points:{by:[0,-this.scrollAmountPerInc*E]}}}this._scrollNextAnim=new YAHOO.util.Motion(this.carouselList,M,this.cfg.getProperty("animationSpeed"),this.cfg.getProperty("animationMethod"));if(this.cfg.getProperty("animationCompleteHandler")){this._scrollNextAnim.onComplete.subscribe(this._handleAnimationComplete,[this,"next"])}this._scrollNextAnim.animate()}else{if(this.isVertical()){var B=YAHOO.util.Dom.getY(this.carouselList);YAHOO.util.Dom.setY(this.carouselList,B-this.scrollAmountPerInc*E)}else{var C=YAHOO.util.Dom.getX(this.carouselList);YAHOO.util.Dom.setX(this.carouselList,C-this.scrollAmountPerInc*E)}}}this._priorFirstVisible=K;this._priorLastVisible=G;this._enableDisableControls();return false},_scrollPrevInc:function(G,J){if(this._scrollNextAnim.isAnimated()||this._scrollPrevAnim.isAnimated()){return false}var N=this.cfg.getProperty("numVisible");var L=this._priorFirstVisible;var I=this._priorLastVisible;var O=this.cfg.getProperty("size");var K=L-G;var A=this._calculateAllowableScrollExtent();K=(K<A.start)?A.start:K;var F=K+N-1;if(F>A.end){F=A.end;K=F-N+1}G=L-K;this.cfg.setProperty("firstVisible",K,true);if(G>0){if(this._isValidObj(this.cfg.getProperty("loadPrevHandler"))){var E=this._calculateVisibleExtent(K,F);var C=(L-1)>E.end?(L-1):E.end;var H=this._areAllItemsLoaded(E.start,C);this._loadPrevHandlerEvt.fire(E.start,E.end,H)}if(J){var M={points:{by:[this.scrollAmountPerInc*G,0]}};if(this.isVertical()){M={points:{by:[0,this.scrollAmountPerInc*G]}}}this._scrollPrevAnim=new YAHOO.util.Motion(this.carouselList,M,this.cfg.getProperty("animationSpeed"),this.cfg.getProperty("animationMethod"));if(this.cfg.getProperty("animationCompleteHandler")){this._scrollPrevAnim.onComplete.subscribe(this._handleAnimationComplete,[this,"prev"])}this._scrollPrevAnim.animate()}else{if(this.isVertical()){var B=YAHOO.util.Dom.getY(this.carouselList);YAHOO.util.Dom.setY(this.carouselList,B+this.scrollAmountPerInc*G)}else{var D=YAHOO.util.Dom.getX(this.carouselList);YAHOO.util.Dom.setX(this.carouselList,D+this.scrollAmountPerInc*G)}}}this._priorFirstVisible=K;this._priorLastVisible=F;this._enableDisableControls();return false},_enableDisableControls:function(){var C=this.cfg.getProperty("firstVisible");var A=this.getLastVisible();var B=this._calculateAllowableScrollExtent();if(this._prevEnabled){if(C===B.start){this._disablePrev()}}if(this._prevEnabled===false){if(C>B.start){this._enablePrev()}}if(this._nextEnabled){if(A===B.end){this._disableNext()}}if(this._nextEnabled===false){if(A<B.end){this._enableNext()}}},_loadInitial:function(){var C=this.cfg.getProperty("firstVisible");this._priorLastVisible=this.getLastVisible();if(this._loadInitHandlerEvt){var A=this._calculateVisibleExtent(C,this._priorLastVisible);var B=this._areAllItemsLoaded(1,A.end);this._loadInitHandlerEvt.fire(A.start,A.end,B)}if(this.cfg.getProperty("autoPlay")!==0){this._autoPlayTimer=this.startAutoPlay()}this._enableDisableControls()},_calculateAllowableScrollExtent:function(){var D=this.cfg.getProperty("scrollBeforeAmount");var A=this.cfg.getProperty("scrollAfterAmount");var B=this.cfg.getProperty("size");var C={start:1-D,end:B+A};return C},_calculateVisibleExtent:function(D,A){if(!D){D=this.cfg.getProperty("firstVisible");A=this.getLastVisible()}var B=this.cfg.getProperty("size");D=D<1?1:D;A=A>B?B:A;var C={start:D,end:A};this._firstItemRevealed=-1;this._lastItemRevealed=-1;if(this._isExtraRevealed()){if(D>1){this._firstItemRevealed=D-1;C.start=this._firstItemRevealed}if(A<B){this._lastItemRevealed=A+1;C.end=this._lastItemRevealed}}return C},_disablePrev:function(){this._prevEnabled=false;if(this._prevButtonStateHandlerEvt){this._prevButtonStateHandlerEvt.fire(false,this._carouselPrev)}if(this._isValidObj(this._carouselPrev)){YAHOO.util.Event.removeListener(this._carouselPrev,"click",this._scrollPrev)}},_enablePrev:function(){this._prevEnabled=true;if(this._prevButtonStateHandlerEvt){this._prevButtonStateHandlerEvt.fire(true,this._carouselPrev)}if(this._isValidObj(this._carouselPrev)){YAHOO.util.Event.addListener(this._carouselPrev,"click",this._scrollPrev,this)}},_disableNext:function(){if(this.cfg.getProperty("wrap")){return }this._nextEnabled=false;if(this._isValidObj(this._nextButtonStateHandlerEvt)){this._nextButtonStateHandlerEvt.fire(false,this._carouselNext)}if(this._isValidObj(this._carouselNext)){YAHOO.util.Event.removeListener(this._carouselNext,"click",this._scrollNext)}},_enableNext:function(){this._nextEnabled=true;if(this._isValidObj(this._nextButtonStateHandlerEvt)){this._nextButtonStateHandlerEvt.fire(true,this._carouselNext)}if(this._isValidObj(this._carouselNext)){YAHOO.util.Event.addListener(this._carouselNext,"click",this._scrollNext,this)}},_isValidObj:function(A){if(null==A){return false}if("undefined"==typeof (A)){return false}return true}};

/**
 *  Hero Carousel behavior here.  Edit URLs or the carousel behavior at the bottom.
 */

/**
 * Image src URLs, update "size" attribute of carousel, too (at bottom)
 **/
var imageList = [

];

var urlList = [

];


/**
 *  What to do when a number is clicked
 */
var hero_carousel = {

    clickCallback: function( event, data ) {
	var carousel = data.carousel;
	var i = data.where;
	data.carousel.scrollTo( data.where );
	data.carousel.stopAutoPlay();
    }
};


/**
 * Generate the links to the various pages, and disable the cuurent page link
 */
function generateIndex( current, max, carousel ) 
{
    var indexStr = "<div class='indicator'>";

    var indicator = YAHOO.util.Dom.get("indicator");
    indicator.innerHTML = "";

    for (var i = 1; i < max; i++) {

        var indexItem;

	// create clickable index, disable current one
	// if we are over the max then highlight the first one
        //if (i == current || (i == 1 & current == max)) {
	//    indexItem = document.createElement("a");
	//    indexItem.setAttribute("class", "hero-number hero-number-selected");
	//} else {
	//    indexItem = document.createElement("a");
	//    indexItem.setAttribute("class", "hero-number");
	//    // pass the carousel to the listener
	//    YAHOO.util.Event.addListener( indexItem, 'click', hero_carousel.clickCallback, { carousel: carousel, where: i} );
	//}
        indexItem = document.createElement('span');
        YAHOO.util.Dom.addClass(indexItem, "hero-number");
        var indexItemA = document.createElement("a");
        if (i == current || (i == 1 & current == max)) {
	    YAHOO.util.Dom.addClass(indexItem, "hero-number-selected");
	} else {
	    // pass the carousel to the listener
	    YAHOO.util.Event.addListener( indexItem, 'click', hero_carousel.clickCallback, { carousel: carousel, where: i} );
	}
        indexItem.appendChild(indexItemA);

	indexItem.innerHTML = i;
	indicator.appendChild( indexItem );
     }
    indexStr += "</div>";
    return indexStr;
}


/**
 * Custom inital load handler. Called when the carousel loads the initial
 * set of data items. Specified to the carousel as the configuration
 * parameter: loadInitHandler
 **/
var loadInitialItems = function(type, args) {

	var start = args[0];
	var last = args[1]; 

	load(this, start, last);	

	// YAHOO.util.Dom.get("indicator").innerHTML =
	generateIndex( this.getFirstVisible(), this.getProperty("size"), this );
};

var animComplete = function(type, args) {
    var direction = args[0]; // string either: 'next' or 'prev'
   
    // YAHOO.util.Dom.get("indicator").innerHTML =
    generateIndex( this.getFirstVisible(), this.getProperty("size"), this );

    // if at end of loop immediately move to front of loop, don't "rewind"
    if (this.getFirstVisible() == this.getProperty("size")) {
	this.moveTo( 0 );
    }

};

/**
 * Custom load next handler. Called when the carousel loads the next
 * set of data items. Specified to the carousel as the configuration
 * parameter: loadNextHandler
 **/
var loadNextItems = function(type, args) {	

	var start = args[0];
	var last = args[1]; 
	var alreadyCached = args[2];
	
	if(!alreadyCached) {
		load(this, start, last);
	}
};

/**
 * Custom load previous handler. Called when the carousel loads the previous
 * set of data items. Specified to the carousel as the configuration
 * parameter: loadPrevHandler
 **/
var loadPrevItems = function(type, args) {
	var start = args[0];
	var last = args[1]; 
	var alreadyCached = args[2];
	
	if(!alreadyCached) {
		load(this, start, last);
	}
}; 

var load = function(carousel, start, last) {
	for(var i=start; i<= last+1; i++) {
		carousel.addItem(i, fmtItem( i, last, imageList[i-1], urlList[i-1] ));
	}
}

/**
 * Custom button state handler for enabling/disabling button state. 
 * Called when the carousel has determined that the previous button
 * state should be changed.
 * Specified to the carousel as the configuration
 * parameter: prevButtonStateHandler
 **/
var handlePrevButtonState = function(type, args) {

	var enabling = args[0];
	var leftImage = args[1];
	if(enabling) {
		leftImage.src = "images/left-enabled.gif";
	} else {
		leftImage.src = "images/left-disabled.gif";
	}
	
};

/**
 * Custom button state handler for enabling/disabling button state. 
 * Called when the carousel has determined that the next button
 * state should be changed.
 * Specified to the carousel as the configuration
 * parameter: nextButtonStateHandler
 **/
var handleNextButtonState = function(type, args) {

	var enabling = args[0];
	var rightImage = args[1];
	if(enabling) {
		rightImage.src = "images/right-enabled.gif";
	} else {
		rightImage.src = "images/right-disabled.gif";
	}
	
};

/**
 * You must create the carousel after the page is loaded since it is
 * dependent on an HTML element (in this case 'dhtml-carousel'.) See the
 * HTML code below.
 **/
var carousel; // for ease of debugging; globals generally not a good idea

var pageLoad = function() 
{
    carousel = new YAHOO.extension.Carousel("dhtml-carousel", 
        {
            numVisible:        1,
            autoPlay:          5000,
            wrap:              true,
            animationSpeed:    0.70,
            scrollInc:         1,
            animationMethod:   YAHOO.util.Easing.easeIn,
            navMargin:         0, // 40 with buttons
            size:              6,
            loadInitHandler:   loadInitialItems,
            loadNextHandler:   loadNextItems,
            loadPrevHandler:   loadPrevItems,
            animationCompleteHandler: animComplete,
            prevElement:     "left-arrow",
            nextElement:     "right-arrow",
            prevButtonStateHandler:   handlePrevButtonState,
            nextButtonStateHandler:   handleNextButtonState
        }
    );

};

/**
 * Since carousel.addItem uses an HTML string to create the interface
 * for each carousel item, this method formats the HTML for an LI.
 **/
var fmtItem = function( index, max, imgUrl, link) {
		
    var innerHTML = 
       '<a href="' + link + '">' + 
       '<img src="' + imgUrl + '"/>' + 
       '<\/a>';

    return innerHTML;
	
};

YAHOO.util.Event.addListener(window, 'load', pageLoad);