(function($){$.fn.flipster=function(options){var defaults={itemContainer:"ul",itemSelector:"li",style:"coverflow",start:"center",enableKeyboard:true,enableMousewheel:true,enableTouch:true,enableNav:false,enableNavButtons:false,onItemSwitch:function(){},};var settings=$.extend({},defaults,options);var win=$(window);return this.each(function(){var _flipster=$(this);var _flipItemsOuter;var _flipItems;var _flipNav;var _flipNavItems;var _current=0;var _startTouchX=0;var _actionThrottle=0;var _throttleTimeout;var compatibility;function removeThrottle(){_actionThrottle=0;}function resize(){_flipItemsOuter.css("height",_flipItems.height());_flipster.css("height","auto");if(settings.style==="carousel"){_flipItemsOuter.width(_flipItems.width());}}function buildNav(){if(settings.enableNav&&_flipItems.length>1){var navCategories=[],navItems=[],navList=[];_flipItems.each(function(){var category=$(this).data("flip-category"),itemId=$(this).attr("id"),itemTitle=$(this).attr("title");if(typeof category!=="undefined"){if($.inArray(category,navCategories)<0){navCategories.push(category);navList[category]='<li class="flip-nav-category"><a href="#" class="flip-nav-category-link" data-flip-category="'+category+'">'+category+'</a>\n<ul class="flip-nav-items">\n';}}if($.inArray(itemId,navItems)<0){navItems.push(itemId);link='<a href="#'+itemId+'" class="flip-nav-item-link">'+itemTitle+"</a></li>\n";if(typeof category!=="undefined"){navList[category]=navList[category]+'<li class="flip-nav-item">'+link;}else{navList[itemId]='<li class="flip-nav-item no-category">'+link;}}});navDisplay='<ul class="flipster-nav">\n';for(var catIndex in navCategories){navList[navCategories[catIndex]]=navList[navCategories[catIndex]]+"</ul>\n</li>\n";}for(var navIndex in navList){navDisplay+=navList[navIndex];}navDisplay+="</ul>";_flipNav=$(navDisplay).prependTo(_flipster);_flipNavItems=_flipNav.find("a").on("click",function(e){var target;if($(this).hasClass("flip-nav-category-link")){target=_flipItems.filter("[data-flip-category='"+$(this).data("flip-category")+"']");}else{target=$(this.hash);}if(target.length){jump(target);e.preventDefault();}});}}function updateNav(){if(settings.enableNav&&_flipItems.length>1){currentItem=$(_flipItems[_current]);_flipNav.find(".flip-nav-current").removeClass("flip-nav-current");_flipNavItems.filter("[href='#"+currentItem.attr("id")+"']").addClass("flip-nav-current");_flipNavItems.filter("[data-flip-category='"+currentItem.data("flip-category")+"']").parent().addClass("flip-nav-current");}}function buildNavButtons(){if(settings.enableNavButtons&&_flipItems.length>1){_flipster.find(".flipto-prev, .flipto-next").remove();_flipster.append("<a href='#' class='flipto flipto-prev'></a> <a href='#' class='flipto flipto-next'></a>");_flipster.children(".flipto-prev").on("click",function(e){jump("left");e.preventDefault();});_flipster.children(".flipto-next").on("click",function(e){jump("right");e.preventDefault();});}}function center(){var currentItem=$(_flipItems[_current]).addClass("flip-current");_flipItems.removeClass("flip-prev flip-next flip-current flip-past flip-future no-transition");if(settings.style==="carousel"){_flipItems.addClass("flip-hidden");var nextItem=$(_flipItems[_current+1]),futureItem=$(_flipItems[_current+2]),prevItem=$(_flipItems[_current-1]),pastItem=$(_flipItems[_current-2]);if(_current===0){prevItem=_flipItems.last();pastItem=prevItem.prev();}else{if(_current===1){pastItem=_flipItems.last();}else{if(_current===_flipItems.length-2){futureItem=_flipItems.first();}else{if(_current===_flipItems.length-1){nextItem=_flipItems.first();futureItem=$(_flipItems[1]);}}}}futureItem.removeClass("flip-hidden").addClass("flip-future");pastItem.removeClass("flip-hidden").addClass("flip-past");nextItem.removeClass("flip-hidden").addClass("flip-next");prevItem.removeClass("flip-hidden").addClass("flip-prev");}else{var spacer=currentItem.outerWidth()/2;var totalLeft=0;var totalWidth=_flipItemsOuter.width();var currentWidth=currentItem.outerWidth();var currentLeft=(_flipItems.index(currentItem)*currentWidth)/2+spacer/2;_flipItems.removeClass("flip-hidden");for(i=0;i<_flipItems.length;i++){var thisItem=$(_flipItems[i]);var thisWidth=thisItem.outerWidth();if(i<_current){thisItem.addClass("flip-past").css({"z-index":i,left:(i*thisWidth/2)+"px"});}else{if(i>_current){thisItem.addClass("flip-future").css({"z-index":_flipItems.length-i,left:(i*thisWidth/2)+spacer+"px"});}}}currentItem.css({"z-index":_flipItems.length+1,left:currentLeft+"px"});totalLeft=(currentLeft+(currentWidth/2))-(totalWidth/2);var newLeftPos=-1*(totalLeft)+"px";if(compatibility){var leftItems=$(".flip-past");var rightItems=$(".flip-future");$(".flip-current").css("zoom","1.0");for(i=0;i<leftItems.length;i++){$(leftItems[i]).css("zoom",(100-((leftItems.length-i)*5)+"%"));}for(i=0;i<rightItems.length;i++){$(rightItems[i]).css("zoom",(100-((i+1)*5)+"%"));}_flipItemsOuter.animate({left:newLeftPos},333);}else{_flipItemsOuter.css("left",newLeftPos);}}currentItem.addClass("flip-current").removeClass("flip-prev flip-next flip-past flip-future flip-hidden");resize();updateNav();settings.onItemSwitch.call(this);}function jump(to){if(_flipItems.length>1){if(to==="left"){if(_current>0){_current--;}else{_current=_flipItems.length-1;}}else{if(to==="right"){if(_current<_flipItems.length-1){_current++;}else{_current=0;}}else{if(typeof to==="number"){_current=to;}else{_current=_flipItems.index(to);}}}center();}}function init(){_flipster.addClass("flipster flipster-active flipster-"+settings.style).css("visibility","hidden");_flipItemsOuter=_flipster.find(settings.itemContainer).addClass("flip-items");_flipItems=_flipItemsOuter.find(settings.itemSelector).addClass("flip-item flip-hidden").wrapInner("<div class='flip-content' />");var isIEmax8=("\v"==="v");var checkIE=document.createElement("b");checkIE.innerHTML="<!--[if IE 9]><i></i><![endif]-->";var isIE9=checkIE.getElementsByTagName("i").length===1;if(isIEmax8||isIE9){compatibility=true;_flipItemsOuter.addClass("compatibility");}buildNav();buildNavButtons();if(settings.start&&_flipItems.length>1){if(settings.start==="center"){if(!_flipItems.length%2){_current=_flipItems.length/2+1;}else{_current=Math.floor(_flipItems.length/2);}}else{_current=settings.start;}}resize();_flipster.hide().css("visibility","visible").fadeIn(400,function(){center();});win.resize(function(){resize();center();});_flipItems.on("click",function(e){if(!$(this).hasClass("flip-current")){e.preventDefault();}jump(_flipItems.index(this));});if(settings.enableKeyboard&&_flipItems.length>1){win.on("keydown.flipster",function(e){_actionThrottle++;if(_actionThrottle%7!==0&&_actionThrottle!==1){return;}var code=e.which;if(code===37){e.preventDefault();jump("left");}else{if(code===39){e.preventDefault();jump("right");}}});win.on("keyup.flipster",function(e){_actionThrottle=0;});}if(settings.enableMousewheel&&_flipItems.length>1){_flipster.on("mousewheel.flipster",function(e){_throttleTimeout=window.setTimeout(removeThrottle,500);_actionThrottle++;if(_actionThrottle%4!==0&&_actionThrottle!==1){return;}window.clearTimeout(_throttleTimeout);if(e.originalEvent.wheelDelta/120>0){jump("left");}else{jump("right");}e.preventDefault();});}if(settings.enableTouch&&_flipItems.length>1){_flipster.on("touchstart.flipster",function(e){_startTouchX=e.originalEvent.targetTouches[0].screenX;});_flipster.on("touchmove.flipster",function(e){e.preventDefault();var nowX=e.originalEvent.targetTouches[0].screenX;var touchDiff=nowX-_startTouchX;if(touchDiff>_flipItems[0].clientWidth/1.75){jump("left");_startTouchX=nowX;}else{if(touchDiff<-1*(_flipItems[0].clientWidth/1.75)){jump("right");_startTouchX=nowX;}}});_flipster.on("touchend.flipster",function(e){_startTouchX=0;});}}if(!_flipster.hasClass("flipster-active")){init();}});};})(jQuery);