/*!
 * Feature Carousel, Version 1.2.1
 * http://www.bkosolutions.com
 *
 * Copyright 2011 Brian Osborne
 * Licensed under GPL version 3
 * brian@bkosborne.com
 *
 * http://www.gnu.org/licenses/gpl.txt
 */
(function(jQuery){jQuery.fn.featureCarousel=function(options){options=jQuery.extend({},jQuery.fn.featureCarousel.defaults,options||{});return jQuery(this).each(function(){var pluginData={currentCenterNum:options.startingFeature,containerWidth:0,containerHeight:0,largeFeatureWidth:0,largeFeatureHeight:0,smallFeatureWidth:0,smallFeatureHeight:0,totalFeatureCount:jQuery(this).children("div").length,currentlyMoving:false,featuresContainer:jQuery(this),featuresArray:[],containerIDTag:"#"+jQuery(this).attr("id"),timeoutVar:null,rotationsRemaining:0,itemsToAnimate:0,borderWidth:0};preload(function(){setupFeatureDimensions();setupCarousel();setupFeaturePositions();setupTrackers();initiateMove(true,1);});function preload(callback){if(options.preload==true){var jQueryimageElements=pluginData.featuresContainer.find("img");var loadedImages=0;var totalImages=jQueryimageElements.length;jQueryimageElements.each(function(){jQuery(this).load(function(){loadedImages++;if(loadedImages==totalImages){callback();}});if(this.complete||jQuery.browser.msie){jQuery(this).trigger('load');}});}else{callback();}}
function getContainer(featureNum){return pluginData.featuresArray[featureNum-1];}
function getBySetPos(position){jQuery.each(pluginData.featuresArray,function(){if(jQuery(this).data().setPosition==position)
return jQuery(this);});}
function getPreviousNum(num){if((num-1)==0){return pluginData.totalFeatureCount;}else{return num-1;}}
function getNextNum(num){if((num+1)>pluginData.totalFeatureCount){return 1;}else{return num+1;}}
function setupFeatureDimensions(){pluginData.containerWidth=pluginData.featuresContainer.width();pluginData.containerHeight=pluginData.featuresContainer.height();var jQueryfirstFeatureImage=jQuery(pluginData.containerIDTag).find(".carousel-image:first");if(options.largeFeatureWidth>1)
pluginData.largeFeatureWidth=options.largeFeatureWidth;else if(options.largeFeatureWidth>0&&options.largeFeatureWidth<1)
pluginData.largeFeatureWidth=jQueryfirstFeatureImage.width()*options.largeFeatureWidth;else
pluginData.largeFeatureWidth=jQueryfirstFeatureImage.outerWidth();if(options.largeFeatureHeight>1)
pluginData.largeFeatureHeight=options.largeFeatureHeight;else if(options.largeFeatureHeight>0&&options.largeFeatureHeight<1)
pluginData.largeFeatureHeight=jQueryfirstFeatureImage.height()*options.largeFeatureHeight;else
pluginData.largeFeatureHeight=jQueryfirstFeatureImage.outerHeight();if(options.smallFeatureWidth>1)
pluginData.smallFeatureWidth=options.smallFeatureWidth;else if(options.smallFeatureWidth>0&&options.smallFeatureWidth<1)
pluginData.smallFeatureWidth=jQueryfirstFeatureImage.width()*options.smallFeatureWidth;else
pluginData.smallFeatureWidth=jQueryfirstFeatureImage.outerWidth()/2;if(options.smallFeatureHeight>1)
pluginData.smallFeatureHeight=options.smallFeatureHeight;else if(options.smallFeatureHeight>0&&options.smallFeatureHeight<1)
pluginData.smallFeatureHeight=jQueryfirstFeatureImage.height()*options.smallFeatureHeight;else
pluginData.smallFeatureHeight=jQueryfirstFeatureImage.outerHeight()/2;}
function setupCarousel(){if(options.displayCutoff>0&&options.displayCutoff<pluginData.totalFeatureCount){pluginData.totalFeatureCount=options.displayCutoff;}
pluginData.featuresContainer.find(".carousel-feature").each(function(index){if(index<pluginData.totalFeatureCount){pluginData.featuresArray[index]=jQuery(this);}});if(pluginData.featuresContainer.find(".carousel-feature").first().css("borderLeftWidth")!="medium"){pluginData.borderWidth=parseInt(pluginData.featuresContainer.find(".carousel-feature").first().css("borderLeftWidth"))*2;}
pluginData.featuresContainer.find(".carousel-feature").each(function(){jQuery(this).css({'left':(pluginData.containerWidth/2)-(pluginData.smallFeatureWidth/2)-(pluginData.borderWidth/2),'width':pluginData.smallFeatureWidth,'height':pluginData.smallFeatureHeight,'top':options.smallFeatureOffset+options.topPadding,'opacity':0});}).find(".carousel-image").css({'width':pluginData.smallFeatureWidth});if(options.captionBelow){pluginData.featuresContainer.find('.carousel-caption').css('position','relative');}
if(pluginData.totalFeatureCount<4){pluginData.itemsToAnimate=pluginData.totalFeatureCount;}else{pluginData.itemsToAnimate=4;}
pluginData.featuresContainer.find(".carousel-caption").hide();}
function setupFeaturePositions(){jQuery.each(pluginData.featuresArray,function(i){jQuery(this).data('setPosition',i+1);});var oneBeforeStarting=getPreviousNum(options.startingFeature);pluginData.currentCenterNum=oneBeforeStarting;var jQuerycenterFeature=getContainer(oneBeforeStarting);jQuerycenterFeature.data('position',1);var jQueryprevFeatures=jQuerycenterFeature.prevAll();jQueryprevFeatures.each(function(i){jQuery(this).data('position',(pluginData.totalFeatureCount-i));});var jQuerynextFeatures=jQuerycenterFeature.nextAll();jQuerynextFeatures.each(function(i){if(jQuery(this).data('setPosition')!=undefined){jQuery(this).data('position',(i+2));}});if(options.counterStyle=='caption'){jQuery.each(pluginData.featuresArray,function(){var pos=getPreviousNum(jQuery(this).data('position'));var jQuerynumberTag=jQuery("<span></span>");jQuerynumberTag.addClass("numberTag");jQuerynumberTag.html("("+pos+" of "+pluginData.totalFeatureCount+") ");jQuery(this).find('.carousel-caption p').prepend(jQuerynumberTag);});}}
function setupTrackers()
{if(options.trackerIndividual){var jQuerylist=jQuery("<ul></ul>");jQuerylist.addClass("tracker-individual-container");for(var i=0;i<pluginData.totalFeatureCount;i++){var counter=i+1;var jQuerytrackerBlip=jQuery("<div>"+counter+"</div>");jQuerytrackerBlip.addClass("tracker-individual-blip");jQuerytrackerBlip.css("cursor","pointer");jQuerytrackerBlip.attr("id","tracker-"+(i+1));var jQuerylistEntry=jQuery("<li></li>");jQuerylistEntry.append(jQuerytrackerBlip);jQuerylistEntry.css("float","left");jQuerylistEntry.css("list-style-type","none");jQuerylist.append(jQuerylistEntry);}
jQuery(pluginData.containerIDTag).append(jQuerylist);jQuerylist.hide().show();}
if(options.trackerSummation){var jQuerytracker=jQuery('<div></div>');jQuerytracker.addClass('tracker-summation-container');var jQuerycurrent=jQuery('<span></span>').addClass('tracker-summation-current').text(options.startingFeature);var jQuerytotal=jQuery('<span></span>').addClass('tracker-summation-total').text(pluginData.totalFeatureCount);var jQuerymiddle=jQuery('<span></span>').addClass('tracker-summation-middle').text(' of ');jQuerytracker.append(jQuerycurrent).append(jQuerymiddle).append(jQuerytotal);jQuery(pluginData.containerIDTag).append(jQuerytracker);}}
function updateTracker(oldCenter,newCenter){if(options.trackerIndividual){var jQuerytrackerContainer=pluginData.featuresContainer.find(".tracker-individual-container");var jQueryoldCenter=jQuerytrackerContainer.find("#tracker-"+oldCenter);var jQuerynewCenter=jQuerytrackerContainer.find("#tracker-"+newCenter);jQueryoldCenter.removeClass("tracker-individual-blip-selected");jQuerynewCenter.addClass("tracker-individual-blip-selected");}
if(options.trackerSummation){var jQuerytrackerContainer=pluginData.featuresContainer.find('.tracker-summation-container');jQuerytrackerContainer.find('.tracker-summation-current').text(newCenter);}}
function setTimer(stop){clearTimeout(pluginData.timeoutVar);if(!stop&&options.autoPlay!=0){var autoTime=(Math.abs(options.autoPlay)<options.carouselSpeed)?options.carouselSpeed:Math.abs(options.autoPlay);pluginData.timeoutVar=setTimeout(function(){(options.autoPlay>0)?initiateMove(true,1):initiateMove(false,1);},autoTime);}}
function rotatePositions(direction){jQuery.each(pluginData.featuresArray,function(){var newPos;if(direction==false){newPos=getNextNum(jQuery(this).data().position);}else{newPos=getPreviousNum(jQuery(this).data().position);}
jQuery(this).data('position',newPos);});}
function animateFeature(jQueryfeature,direction)
{var new_width,new_height,new_top,new_left,new_zindex,new_padding,new_fade;var oldPosition=jQueryfeature.data('position');var newPosition;if(direction==true)
newPosition=getPreviousNum(oldPosition);else
newPosition=getNextNum(oldPosition);if(oldPosition==1){options.leavingCenter(jQueryfeature);}
if(newPosition==1){new_width=pluginData.largeFeatureWidth;new_height=pluginData.largeFeatureHeight;new_top=options.topPadding;new_zindex=jQueryfeature.css("z-index");new_left=(pluginData.containerWidth/2)-(pluginData.largeFeatureWidth/2)-(pluginData.borderWidth/2);new_fade=1.0;}else{new_width=pluginData.smallFeatureWidth;new_height=pluginData.smallFeatureHeight;new_top=options.smallFeatureOffset+options.topPadding;new_zindex=1;new_fade=0.4;if(newPosition==pluginData.totalFeatureCount){new_left=options.sidePadding;}else if(newPosition==2){new_left=pluginData.containerWidth-pluginData.smallFeatureWidth-options.sidePadding-pluginData.borderWidth;}else{new_left=(pluginData.containerWidth/2)-(pluginData.smallFeatureWidth/2)-(pluginData.borderWidth/2);new_fade=0;}}
if(oldPosition==1){jQueryfeature.find(".carousel-caption").hide();}
jQueryfeature.animate({width:new_width,height:new_height,top:new_top,left:new_left,opacity:new_fade},options.carouselSpeed,options.animationEasing,function(){if(newPosition==1){if(options.captionBelow)
jQueryfeature.css('height','auto');jQueryfeature.find(".carousel-caption").fadeTo("fast",0.85);options.movedToCenter(jQueryfeature);}
pluginData.rotationsRemaining=pluginData.rotationsRemaining-1;jQueryfeature.css("z-index",new_zindex);if(options.trackerIndividual||options.trackerSummation){if(newPosition==1){var newCenterItemNum=pluginData.featuresContainer.find(".carousel-feature").index(jQueryfeature)+1;var oldCenterItemNum;if(direction==false)
oldCenterItemNum=getNextNum(newCenterItemNum);else
oldCenterItemNum=getPreviousNum(newCenterItemNum);updateTracker(oldCenterItemNum,newCenterItemNum);}}
var divide=pluginData.rotationsRemaining/pluginData.itemsToAnimate;if(divide%1==0){pluginData.currentlyMoving=false;rotatePositions(direction);if(pluginData.rotationsRemaining>0)
move(direction);}
setTimer(false);}).find('.carousel-image').animate({width:new_width,height:new_height},options.carouselSpeed,options.animationEasing).end();}
function move(direction)
{pluginData.currentlyMoving=true;var jQuerynewCenter,jQuerynewLeft,jQuerynewRight,jQuerynewHidden;if(direction==true){jQuerynewCenter=getContainer(getNextNum(pluginData.currentCenterNum));jQuerynewLeft=getContainer(pluginData.currentCenterNum);jQuerynewRight=getContainer(getNextNum(getNextNum(pluginData.currentCenterNum)));jQuerynewHidden=getContainer(getPreviousNum(pluginData.currentCenterNum));pluginData.currentCenterNum=getNextNum(pluginData.currentCenterNum);}else{jQuerynewCenter=getContainer(getPreviousNum(pluginData.currentCenterNum));jQuerynewLeft=getContainer(getPreviousNum(getPreviousNum(pluginData.currentCenterNum)));jQuerynewRight=getContainer(pluginData.currentCenterNum);jQuerynewHidden=getContainer(getNextNum(pluginData.currentCenterNum));pluginData.currentCenterNum=getPreviousNum(pluginData.currentCenterNum);}
if(direction){jQuerynewLeft.css("z-index",3);}else{jQuerynewRight.css("z-index",3);}
jQuerynewCenter.css("z-index",4);animateFeature(jQuerynewLeft,direction);animateFeature(jQuerynewCenter,direction);animateFeature(jQuerynewRight,direction);if(pluginData.totalFeatureCount>3){animateFeature(jQuerynewHidden,direction);}}
function initiateMove(direction,rotations){if(pluginData.currentlyMoving==false){var queue=rotations*pluginData.itemsToAnimate;pluginData.rotationsRemaining=queue;move(direction);}}
function findShortestDistance(from,to){var goingToLeft=1,goingToRight=1,tracker;tracker=from;while((tracker=getPreviousNum(tracker))!=to){goingToLeft++;}
tracker=from;while((tracker=getNextNum(tracker))!=to){goingToRight++;}
return(goingToLeft<goingToRight)?goingToLeft*-1:goingToRight;}
jQuery(options.leftButtonTag).live('click',function(){initiateMove(false,1);});jQuery(options.rightButtonTag).live('click',function(){initiateMove(true,1);});pluginData.featuresContainer.find(".carousel-feature").click(function(){var position=jQuery(this).data('position');if(position==2){initiateMove(true,1);}else if(position==pluginData.totalFeatureCount){initiateMove(false,1);}}).mouseover(function(){if(pluginData.currentlyMoving==false){var position=jQuery(this).data('position');if(position==2||position==pluginData.totalFeatureCount){jQuery(this).css("opacity",0.8);}}
if(options.pauseOnHover)setTimer(true);if(options.stopOnHover)options.autoPlay=0;}).mouseout(function(){if(pluginData.currentlyMoving==false){var position=jQuery(this).data('position');if(position==2||position==pluginData.totalFeatureCount){jQuery(this).css("opacity",0.4);}}
if(options.pauseOnHover){setTimer(false);}});jQuery("a",pluginData.containerIDTag).live("click",function(event){var jQueryparents=jQuery(this).parentsUntil(pluginData.containerIDTag);jQueryparents.each(function(){var position=jQuery(this).data('position');if(position!=undefined){if(position!=1){if(position==pluginData.totalFeatureCount){initiateMove(false,1);}else if(position==2){initiateMove(true,1);}
event.preventDefault();return false;}else{options.clickedCenter(jQuery(this));}}});});jQuery(".tracker-individual-blip").live("click",function(){var goTo=jQuery(this).attr("id").substring(8);var whereIsIt=pluginData.featuresContainer.find(".carousel-feature").eq(goTo-1).data('position');var currentlyAt=pluginData.currentCenterNum;if(goTo!=currentlyAt){var shortest=findShortestDistance(1,whereIsIt);if(shortest<0){initiateMove(false,(shortest*-1));}else{initiateMove(true,shortest);}}});});};jQuery.fn.featureCarousel.defaults={largeFeatureWidth:0,largeFeatureHeight:0,smallFeatureWidth:.5,smallFeatureHeight:.5,topPadding:20,sidePadding:50,smallFeatureOffset:50,startingFeature:1,carouselSpeed:1000,autoPlay:4000,pauseOnHover:true,stopOnHover:false,trackerIndividual:true,trackerSummation:true,preload:true,displayCutoff:0,animationEasing:'swing',leftButtonTag:'#carousel-left',rightButtonTag:'#carousel-right',captionBelow:false,movedToCenter:jQuery.noop,leavingCenter:jQuery.noop,clickedCenter:jQuery.noop};})(jQuery);