SlidingPanels=function(a,b,c){this.element=xGetElementById(a);this.enableAnimation=true;this.currentPanel=null;this.enableKeyboardNavigation=true;this.hasFocus=false;this.previousPanelKeyCode=SlidingPanels.KEY_LEFT;this.nextPanelKeyCode=SlidingPanels.KEY_RIGHT;this.currentPanelClass="SlidingPanelsCurrentPanel";this.focusedClass="SlidingPanelsFocused";this.animatingClass="SlidingPanelsAnimating";this.itemPanels=null;this.ScrollStep=(typeof c=="number")?c:1;SlidingPanels.setOptions(this,b);if(this.element)this.element.style.overflow="hidden";if(this.defaultPanel){if(typeof this.defaultPanel=="number")this.currentPanel=this.getContentPanels()[this.defaultPanel];else this.currentPanel=xGetElementById(this.defaultPanel);}if(!this.currentPanel)this.currentPanel=this.getContentPanels()[0];if(SlidingPanels.onloadDidFire)this.attachBehaviors();else SlidingPanels.loadQueue.push(this);};SlidingPanels.prototype.onFocus=function(e){this.hasFocus=true;xAddClass(this.element,this.focusedClass);return false;};SlidingPanels.prototype.onBlur=function(e){this.hasFocus=false;xRemoveClass(this.element,this.focusedClass);return false;};SlidingPanels.KEY_LEFT=37;SlidingPanels.KEY_UP=38;SlidingPanels.KEY_RIGHT=39;SlidingPanels.KEY_DOWN=40;SlidingPanels.prototype.onKeyDown=function(e){if(e==null)e=window.event;var a=e.keyCode;if(!this.hasFocus||(a!=this.previousPanelKeyCode&&a!=this.nextPanelKeyCode))return true;if(a==this.nextPanelKeyCode)this.showNextPanel();else this.showPreviousPanel();if(e.preventDefault)e.preventDefault();else e.returnValue=false;if(e.stopPropagation)e.stopPropagation();else e.cancelBubble=true;return false;};SlidingPanels.prototype.attachBehaviors=function(){var a=this.element;if(!a)return;if(this.enableKeyboardNavigation){if(a){var b=this;xAddEventListener(a,"focus",b.onFocus,false);xAddEventListener(a,"blur",b.onBlur,false);xAddEventListener(a,"keydown",b.onKeyDown,false);}}if(this.currentPanel){var c=this.enableAnimation;this.enableAnimation=false;this.showPanel(this.currentPanel);this.enableAnimation=c;}};SlidingPanels.setOptions=function(b,c,d){if(!c)return;for(var a in c){if(d&&c[a]==undefined)continue;b[a]=c[a];}};SlidingPanels.prototype.getElementChildren=function(c){var a=[];var b=c.firstChild;while(b){if(b.nodeType==1)a.push(b);b=b.nextSibling;}return a;};SlidingPanels.prototype.getCurrentPanel=function(){return this.currentPanel;};SlidingPanels.prototype.getContentGroup=function(){return xFirstChild(this.element);};SlidingPanels.prototype.getContentPanels=function(){if(this.itemPanels==null){this.itemPanels=this.getElementChildren(this.getContentGroup());}return this.itemPanels;};SlidingPanels.prototype.getContentPanelsCount=function(){return this.getContentPanels().length;};SlidingPanels.processLoadQueue=function(b){SlidingPanels.onloadDidFire=true;var q=SlidingPanels.loadQueue;var a=q.length;for(var i=0;i<a;i++)q[i].attachBehaviors();};SlidingPanels.addLoadListener=function(a){xAddEventListener(window,'load',a,false);};SlidingPanels.removeLoadListener=function(){xRemoveEventListener(window,'load',SlidingPanels.processLoadQueue,false);var a=this;var b=a.getContentPanels();var c=b.length;for(var i=0;i<c;i++){xRemoveEventListener(b[i],"focus",SlidingPanels.onFocus,false);xRemoveEventListener(b[i],"blur",SlidingPanels.onBlur,false);xRemoveEventListener(b[i],"keydown",SlidingPanels.onKeyDown,false);}};SlidingPanels.onloadDidFire=false;SlidingPanels.loadQueue=[];SlidingPanels.addLoadListener(SlidingPanels.processLoadQueue);SlidingPanels.prototype.getContentPanelIndex=function(c){if(c){c=xGetElementById(c);var a=this.getContentPanels();var b=a.length;for(var i=0;i<b;i++){if(a[i]==c)return i;}}return-1;};SlidingPanels.prototype.showPanel=function(j){var a= -1;if(typeof j=="number")a=j;else a=this.getContentPanelIndex(j);var b=this.getContentPanelsCount();if(b>0)a=(a>=b)?b-1:a;else a=0;var c=this.getContentPanels()[a];var d=this.getContentGroup();if(c&&d){if(this.currentPanel)xRemoveClass(this.currentPanel,this.currentPanelClass);this.currentPanel=c;var e= -c.offsetLeft;var f= -c.offsetTop;if(this.enableAnimation){if(this.animator)this.animator.stop();var g=d.offsetLeft;var h=d.offsetTop;if(g!=e||h!=f){var i=this;xAddClass(this.element,this.animatingClass);this.animator=new SlidingPanels.PanelAnimator(d,g,h,e,f,{duration:this.duration,fps:this.fps,transition:this.transition,finish:function(){xRemoveClass(i.element,i.animatingClass);xAddClass(c,i.currentPanelClass);}});this.animator.start();}}else{d.style.left=e+"px";d.style.top=f+"px";xAddClass(c,this.currentPanelClass);}}return c;};SlidingPanels.prototype.showFirstPanel=function(){return this.showPanel(0);};SlidingPanels.prototype.showLastPanel=function(){return this.showPanel(this.getContentPanels().length-1);};SlidingPanels.prototype.showPreviousPanel=function(){var a=this.getContentPanelIndex(this.currentPanel)-this.ScrollStep;if(a<0)return this.showLastPanel();return this.showPanel(a);};SlidingPanels.prototype.showNextPanel=function(){var a=this.getContentPanelIndex(this.currentPanel)+this.ScrollStep;if(a<this.getContentPanels().length-1)return this.showPanel(a);return this.showPanel(0);};SlidingPanels.PanelAnimator=function(b,c,d,e,f,g){this.element=b;this.curX=c;this.curY=d;this.dstX=e;this.dstY=f;this.fps=60;this.duration=500;this.transition=SlidingPanels.PanelAnimator.defaultTransition;this.startTime=0;this.timerID=0;this.finish=null;var a=this;this.intervalFunc=function(){a.step();};SlidingPanels.setOptions(this,g,true);this.interval=1000/this.fps;};SlidingPanels.PanelAnimator.defaultTransition=function(a,b,c,d){a/=d;return b+((2-a)*a*c);};SlidingPanels.PanelAnimator.prototype.start=function(){this.stop();this.startTime=(new Date()).getTime();this.timerID=setTimeout(this.intervalFunc,this.interval);};SlidingPanels.PanelAnimator.prototype.stop=function(){if(this.timerID)clearTimeout(this.timerID);this.timerID=0;};SlidingPanels.PanelAnimator.prototype.step=function(){var a=(new Date()).getTime()-this.startTime;var b=a>=this.duration;var x,y;if(b){x=this.curX=this.dstX;y=this.curY=this.dstY;}else{x=this.transition(a,this.curX,this.dstX-this.curX,this.duration);y=this.transition(a,this.curY,this.dstY-this.curY,this.duration);}this.element.style.left=x+"px";this.element.style.top=y+"px";if(!b)this.timerID=setTimeout(this.intervalFunc,this.interval);else if(this.finish)this.finish();};