if(typeof (ComCore.Photos)==="undefined"){ComCore.Photos={}}ComCore.Photos.SlideShowHelper=Class.create({initialize:function(A){this.page=0;this.previewArea=A;this._listenForKeys()},_listenForKeys:function(){document.observe("keydown",this.onKeyDown.bind(this))},onKeyDown:function(A){A=A||window.event;switch(A.keyCode){case Event.KEY_RIGHT:this.onNavigation("RIGHT");A.stop();break;case Event.KEY_LEFT:this.onNavigation("LEFT");A.stop();break}return false},onNavigation:function(A){if(A==="RIGHT"){this.page++}else{this.page--}if(this.page<0){this.page=0}this.previewArea.goTo(this.page,{})},_eoo:true});Event.observe(window,"load",function(){var B=ComCore.MediaViewerManager.get("slideshow_player");if(B){var A=B.previewArea;if(A){var C=new ComCore.Photos.SlideShowHelper(A)}}});