;(function($){$.fn.wtScroller=function(params){var TOP="top";var BOTTOM="bottom";var OUTSIDE="outside";var INSIDE="inside";var SLIDE_OPACITY=0.9;var BUTTON_OPACITY=0.7;var OVERLAY_OPACITY=0.75;var SCROLL_SPEED=1000;var DEFAULT_DURATION=600;var ANIMATE_SPEED=300;var DEFAULT_DELAY=4000;var LIGHTBOX_SIZE=250;var LIGHTBOX_MARGIN=40;var UPDATE_BUTTONS="update_buttons";var UPDATE_THUMB="update_thumb";var UPDATE_INDEX="update_index";var UPDATE_TEXT="update_text";var START_TIMER="start_timer";var IE6_INIT="ie6_init";var IE6_CLEANUP="ie6_cleanup";function Lightbox(scroller,opts){var rotateOn=opts.rotate;var delay=getPosNumber(opts.delay,DEFAULT_DELAY);var duration=getPosNumber(opts.transition_speed,DEFAULT_DURATION);var textAlign=opts.caption_align.toLowerCase();var displayText=opts.display_caption;var displayTimer=opts.display_timer;var displayNum=opts.display_number;var contNav=opts.cont_nav;var autoFit=opts.auto_fit;var easing=opts.easing;var $overlay;var $lightbox;var $textPanel;var $preloader;var $cPanel;var $playBtn;var $infoPanel;var $innerBox;var $backPane;var $backBtn;var $fwdPane;var $fwdBtn;var $timer;var $item;var currIndex;var numItems;var rotate;var padding;var timerId=null;var content="<div id='overlay'></div>\
							<div id='lightbox'>\
								<div class='preloader'></div>\
								<div class='inner-box'>\
									<div class='content'></div>\
									<div class='timer'></div>\
									<div class='desc'><div class='inner-text'></div></div>\
									<div class='btn-panel'><div id='back-btn'></div></div>\
									<div class='btn-panel'><div id='fwd-btn'></div></div>\
								</div>\
								<div class='cpanel'>\
									<div id='play-btn'></div>\
									<div id='info'></div>\
									<div id='close-btn'></div>\
								</div>\
							</div>";var init=function(){currIndex=0;numItems=scroller.getNumItems();$("body").append(content);$overlay=$("#overlay").click(closeLightbox);initLightbox();msie6Check();}
var initLightbox=function(){$lightbox=$("#lightbox");$preloader=$lightbox.find("div.preloader");$innerBox=$lightbox.find("div.inner-box");$timer=$innerBox.find("div.timer");$textPanel=$innerBox.find("div.desc");$backBtn=$innerBox.find("#back-btn");$fwdBtn=$innerBox.find("#fwd-btn");$backPane=$innerBox.find("div.btn-panel").has($backBtn);$fwdPane=$innerBox.find("div.btn-panel").has($fwdBtn);$cPanel=$lightbox.find("div.cpanel").bind("click",cpanelClick);$playBtn=$cPanel.find("#play-btn");$infoPanel=$cPanel.find("#info");padding=$lightbox.outerWidth()-$lightbox.width();if(!displayNum){$infoPanel.hide();}
if(displayText){$lightbox.bind(UPDATE_TEXT,updateTextPanel);}
else{$textPanel.remove();}
if(rotateOn){rotate=false;$playBtn.toggleClass("pause",rotate);$lightbox.bind(START_TIMER,startTimer);initTimerBar();}
else{$timer.remove();$playBtn.remove();}}
var initTimerBar=function(){$timer.data("pct",1);if(displayTimer){$timer.css(textAlign==BOTTOM?"top":"bottom",0).css("visibility","visible");}
else{$timer.css({visibility:"hidden"});}}
this.display=function(i){currIndex=i;$lightbox.data("visible",true).trigger(IE6_INIT);$(document).unbind().bind("keyup",keyClose);$overlay.stop(true).css("opacity",OVERLAY_OPACITY).show();$lightbox.css({width:LIGHTBOX_SIZE,height:LIGHTBOX_SIZE,"margin-left":-LIGHTBOX_SIZE/2,"margin-top":-LIGHTBOX_SIZE/2}).show();loadContent(currIndex);}
var closeLightbox=function(){resetTimer();$lightbox.data("visible",false).trigger(IE6_CLEANUP);$(window,document).unbind();disableCtrl();$textPanel.stop(true).hide();$lightbox.stop(true).hide();$overlay.stop(true).fadeOut("fast");scroller.onFocus();}
var loadContent=function(i){$item=scroller.getItem(i);disableCtrl();$textPanel.stop(true).hide();var $img=$("<img/>");$("div.content",$innerBox).empty().append($img);$img.css("opacity",0).attr("src",$item.find(">a:first").attr("href"));if(!$img[0].complete||$img[0].width==0){$preloader.show();$img.load(function(){$preloader.hide();displayContent($img);});}
else{$preloader.hide();displayContent($img);}}
var displayContent=function($img){if($lightbox.data("visible")){if(autoFit){resizeImg($img[0]);}
var width=$img[0].width;var innerHeight=$img[0].height;var outerHeight=innerHeight+$cPanel.height();var newDuration=getDuration(width,outerHeight);var marginLeft=-(width+padding)/2;var marginTop=-(outerHeight+(padding/2))/2;$lightbox.stop(true).animate({"margin-left":marginLeft,"margin-top":marginTop,width:width,height:outerHeight},newDuration,easing,function(){$innerBox.height(innerHeight);$infoPanel.html((currIndex+1)+"/"+numItems);$lightbox.trigger(UPDATE_TEXT);enableCtrl();$img.animate({opacity:1},"normal",function(){if(jQuery.browser.msie){this.style.removeAttribute('filter');}
$lightbox.trigger(START_TIMER);});});}}
var updateTextPanel=function(){var text=$item.find(">p:first").html();if(text){$textPanel.find("div.inner-text").html(text);$textPanel.stop().css("top",textAlign==BOTTOM?$innerBox.height():-$textPanel.height()).show().animate({top:textAlign==BOTTOM?$innerBox.height()-$textPanel.height():0},"normal");}}
var resizeImg=function(img){var ratio;var maxWidth=$(window).width()-padding-LIGHTBOX_MARGIN;var maxHeight=$(window).height()-padding/2-$cPanel.height()-LIGHTBOX_MARGIN;if(img.width>maxWidth){ratio=img.height/img.width;img.width=maxWidth;img.height=ratio*maxWidth;}
if(img.height>maxHeight){ratio=img.width/img.height;img.width=ratio*maxHeight;img.height=maxHeight;}}
var enableCtrl=function(){$(document).unbind("keyup",keyCtrl).bind("keyup",keyCtrl);$cPanel.show();var backWidth=Math.round($innerBox.width()/2);$backPane.width(backWidth).unbind().hover(showPrevButton,hidePrevButton);if(!contNav&&currIndex==0){$backPane.css("cursor","default");}
else{$backPane.bind("click",prevImg).css("cursor","pointer");$backBtn.show();}
var fwdWidth=$innerBox.width()-$backPane.width();$fwdPane.width(fwdWidth).unbind().hover(showNextButton,hideNextButton);if(!contNav&&currIndex==numItems-1){$fwdPane.css("cursor","default");}
else{$fwdPane.bind("click",nextImg).css("cursor","pointer");$fwdBtn.show();}}
var disableCtrl=function(){$(document).unbind("keyup",keyCtrl);$cPanel.hide();$backBtn.hide();$fwdBtn.hide();}
var cpanelClick=function(e){switch($(e.target).attr("id")){case"play-btn":togglePlay();break;case"close-btn":closeLightbox();break;}}
var togglePlay=function(){rotate=!rotate;$playBtn.toggleClass("pause",rotate);rotate?$lightbox.trigger(START_TIMER):pauseTimer();}
var prevImg=function(){resetTimer();if(currIndex>0){currIndex--;}
else if(contNav){currIndex=numItems-1;}
else{return;}
loadContent(currIndex);}
var nextImg=function(){resetTimer();if(currIndex<numItems-1){currIndex++;}
else if(contNav){currIndex=0;}
else{return;}
loadContent(currIndex);}
var rotateNext=function(){resetTimer();currIndex=(currIndex<numItems-1)?currIndex+1:0;loadContent(currIndex);}
var showPrevButton=function(){$backBtn.stop().animate({"margin-left":0},ANIMATE_SPEED);}
var hidePrevButton=function(){$backBtn.stop().animate({"margin-left":-$backBtn.width()},ANIMATE_SPEED);}
var showNextButton=function(){$fwdBtn.stop().animate({"margin-left":-$fwdBtn.width()},ANIMATE_SPEED);}
var hideNextButton=function(){$fwdBtn.stop().animate({"margin-left":0},ANIMATE_SPEED);}
var keyCtrl=function(e){switch(e.keyCode){case 37:case 80:prevImg();break;case 39:case 78:nextImg();break;case 32:togglePlay();break;}}
var keyClose=function(e){switch(e.keyCode){case 27:case 67:case 88:closeLightbox();}}
var getDuration=function(width,height){var wDiff=Math.abs($lightbox.width()-width);var hDiff=Math.abs($lightbox.height()-height);return Math.max(duration,wDiff,hDiff);}
var msie6Check=function(){if(jQuery.browser.msie){if(parseInt(jQuery.browser.version)<=6){var winWidth,winHeight;$overlay.css({position:"absolute",width:$(document).width(),height:$(document).height()});$lightbox.css("position","absolute");$(window).bind("resize",function(){if(winHeight!=document.documentElement.clientHeight||winWidth!=document.documentElement.clientWidth){$overlay.css({width:$(document).width(),height:$(document).height()});}
winWidth=document.documentElement.clientWidth;winHeight=document.documentElement.clientHeight;});$lightbox.bind(IE6_INIT,function(){$("body").find("select").addClass("hide-selects");}).bind(IE6_CLEANUP,function(){$("body").find("select").removeClass("hide-selects");});}}}
var startTimer=function(){if(rotate&&timerId==null){var newDelay=Math.round($timer.data("pct")*delay);$timer.animate({width:$innerBox.width()+1},newDelay);timerId=setTimeout(rotateNext,newDelay);}}
var resetTimer=function(){clearTimeout(timerId);timerId=null;$timer.stop(true).width(0).data("pct",1);}
var pauseTimer=function(){clearTimeout(timerId);timerId=null;var pct=1-($timer.width()/($innerBox.width()+1));$timer.stop(true).data("pct",pct);}
init();}
function Scroller($obj,opts){var numDisplay=getPosNumber(opts.num_display,3);var slideWidth=getPosNumber(opts.slide_width,300);var slideHeight=getPosNumber(opts.slide_height,200);var slideMargin=getNonNegNumber(opts.slide_margin,1);var margin=getNonNegNumber(opts.margin,10);var buttonWidth=getPosNumber(opts.button_width,30);var ctrlHeight=getPosNumber(opts.ctrl_height,20);var autoScroll=opts.auto_scroll;var delay=getPosNumber(opts.delay,DEFAULT_DELAY);var duration=getPosNumber(opts.scroll_speed,SCROLL_SPEED);var easing=opts.easing;var lightboxOn=opts.lightbox_on;var displayButtons=opts.display_buttons;var displayScrollbar=opts.display_scrollbar;var displayIndexes=opts.display_indexes;var displayCaption=opts.display_caption;var mouseoverCaption=opts.mouseover_caption;var captionPos=opts.caption_position.toLowerCase();var captionAlign=opts.caption_align.toLowerCase();var moveBy1=opts.move_one;var contNav=opts.cont_nav;var shuffle=opts.shuffle;var $scroller=$(".wt-scroller",$obj);var $slidePanel=$scroller.find(".slides");var $slideList=$slidePanel.find(">ul:first");var $slides=$slideList.find(">li");var $prevBtn=$scroller.find(".prev-btn");var $nextBtn=$scroller.find(".next-btn");var $cbar=$scroller.find(".lower-panel");var $indexes;var $scrollbar;var $thumb;var $items;var lightbox;var numItems;var unitSize;var prevSlots;var nextSlots;var maxSlots;var range;var pos;var timerId=null;var extOffset=0;var extHeight=0;this.init=function(){numItems=$slides.size();if(numItems<=numDisplay){displayButtons=displayScrollbar=displayIndexes=false;numDisplay=numItems;}
maxSlots=numItems-numDisplay;prevSlots=0;nextSlots=maxSlots;pos=0;initItems();initSlidePanel();initCtrls();$scroller.css({width:$slidePanel.width()+$prevBtn.width()+$nextBtn.width(),height:$slidePanel.height()+$cbar.outerHeight(),"padding-top":margin});if(autoScroll){$scroller.bind(START_TIMER,startTimer).hover(scrollerOver,scrollerOut);}
if(lightboxOn){lightbox=new Lightbox(this,opts.lightbox);}
if(shuffle){shuffleItems();}
updateCPanel();this.onFocus();}
this.getItem=function(i){return $($slides.get(i));}
this.getNumItems=function(){return numItems;}
var initItems=function(){initCaptions();$items=new Array(numItems);$slides.each(function(n){var $img=$(this).find("img:first");var $link=$(this).find(">a:first");if(!$link.attr("href")){$(this).click(preventDefault);$link.css("cursor","default");}
else if(lightboxOn){$(this).bind("click",{index:n},openLightbox);}
$img[0].complete&&$img[0].width>0?processImg($img):$img.load(processLoadedImg);if(displayCaption&&captionPos==INSIDE){initCaption($(this));}
$items[n]=$(this);});}
var initCaptions=function(){var $captions=$slides.find(">p:first");if(displayCaption){var padding=$captions.outerWidth()-$captions.width();$captions.css({width:slideWidth-padding,visibility:"visible"}).click(stopPropagation);if(captionPos==OUTSIDE){var heights=$captions.map(function(){return $(this).height();}).get();var maxHeight=Math.max.apply(Math,heights);$captions.css({top:captionAlign==TOP?0:slideHeight,height:maxHeight});extHeight=$captions.outerHeight();if(captionAlign==TOP){extOffset=extHeight;}}
else{$captions.addClass("inside");}}
else{$captions.hide();}}
var initCaption=function($item){var $caption=$item.find(">p:first");if($caption.length<1||$caption.html()==""){$caption.remove();return;}
if(mouseoverCaption){$caption.css("top",captionAlign==TOP?-$caption.outerHeight():slideHeight);$item.hover(showCaption,hideCaption);}
else{$caption.css("top",captionAlign==TOP?0:slideHeight-$caption.outerHeight());}}
var initSlidePanel=function(){$slides.css({width:slideWidth,height:slideHeight+extHeight,"margin-right":slideMargin}).hover(itemMouseover,itemMouseout);$slidePanel.css({width:(numDisplay*$slides.width())+((numDisplay-1)*slideMargin),height:$slides.height()});unitSize=$slides.outerWidth(true);$slideList.width(numItems*unitSize);range=(($slideList.width()-slideMargin)-$slidePanel.width());}
var initCtrls=function(){initButtons();$cbar.css({width:$slidePanel.width(),"padding-left":$prevBtn.width(),"padding-right":$nextBtn.width()});if(displayScrollbar){initScrollbar();var ctrlMargin=Math.max((ctrlHeight-$scrollbar.height())/2,0);$cbar.css({"padding-top":ctrlMargin,"padding-bottom":ctrlMargin});}
else if(displayIndexes){initIndexes();var ctrlMargin=Math.max((ctrlHeight-$indexes.height())/2,0);$cbar.css({"padding-top":ctrlMargin,"padding-bottom":ctrlMargin});}
else{$cbar.remove();$scroller.css("padding-bottom",margin);}}
var initButtons=function(){if(displayButtons){$prevBtn.css({width:buttonWidth,height:$slides.height()}).mousedown(preventDefault).click(moveBack);$nextBtn.css({width:buttonWidth,height:$slides.height()}).mousedown(preventDefault).click(moveFwd);if(!contNav){$scroller.bind(UPDATE_BUTTONS,updateButtons);}}
else{$prevBtn.remove();$nextBtn.remove();$scroller.css({"padding-left":margin,"padding-right":margin});}}
var updateButtons=function(){var begIndex=Math.abs(pos/unitSize);var endIndex=begIndex+numDisplay;$prevBtn.css(begIndex>0?{opacity:1,cursor:"pointer"}:{opacity:BUTTON_OPACITY,cursor:"default"});$nextBtn.css(endIndex<numItems?{opacity:1,cursor:"pointer"}:{opacity:BUTTON_OPACITY,cursor:"default"});}
var initScrollbar=function(){$cbar.append("<div class='scroll-bar'><div class='thumb'></div></div>");$scrollbar=$cbar.find("div.scroll-bar");$thumb=$cbar.find("div.thumb");$scrollbar.width($cbar.width()).click(trackClick).mousedown(preventDefault);$thumb.width(Math.floor((numDisplay/numItems)*$scrollbar.width())).click(stopPropagation);var scrollRange=$scrollbar.width()-$thumb.width();var moveRatio=range/scrollRange;try{$thumb.draggable({containment:"parent"}).bind("drag",function(){$slideList.css({left:Math.round(-$thumb.position().left*moveRatio)});}).bind("dragstop",function(){autoStop($thumb.position().left/scrollRange);});}
catch(ex){}
$scroller.bind(UPDATE_THUMB,function(){var move=Math.round(Math.abs(pos)*(1/moveRatio));$thumb.stop(true,true).animate({left:move},duration,easing);});}
var initIndexes=function(){var n=Math.ceil(numItems/numDisplay);var str="";for(var i=0;i<n;i++){str+="<span class='index'></span>";}
$cbar.prepend(str);$indexes=$cbar.find(".index").mousedown(preventDefault).bind("click",goToIndex);$scroller.bind(UPDATE_INDEX,updateIndexes);}
var updateIndexes=function(){if(prevSlots%numDisplay==0||prevSlots==maxSlots){var i=Math.ceil(prevSlots/numDisplay);$indexes.filter(".index-hl").removeClass("index-hl");$($indexes.get(i)).addClass("index-hl");}}
var updateSlideList=function(){pos=-prevSlots*unitSize;$slideList.stop(true,true).animate({left:pos},duration,easing,function(){$scroller.trigger(START_TIMER);});updateCPanel();}
var updateCPanel=function(){$scroller.trigger(UPDATE_BUTTONS).trigger(UPDATE_THUMB).trigger(UPDATE_INDEX);}
var openLightbox=function(e){onBlur();lightbox.display(e.data.index);return false;}
var trackClick=function(e){autoStop((e.pageX-$scrollbar.offset().left)/$scrollbar.width());}
var autoStop=function(pct){var move;var newPos=pct*range;if(newPos>Math.abs(pos)){move=Math.ceil(newPos/unitSize);}
else if(newPos<Math.abs(pos)){move=Math.floor(newPos/unitSize);}
else{return;}
var slots=move+(pos/unitSize);prevSlots+=slots;nextSlots-=slots;updateSlideList();}
var goToIndex=function(){stopTimer();var slots=$(this).index()*numDisplay;if(slots>maxSlots){slots=maxSlots;}
prevSlots=slots;nextSlots=maxSlots-slots;updateSlideList();return false;}
var moveBack=function(){stopTimer();if(nextSlots<maxSlots){var slots=moveBy1?1:Math.min(maxSlots-nextSlots,numDisplay);nextSlots+=slots;prevSlots-=slots;}
else if(contNav){nextSlots=0;prevSlots=maxSlots;}
else{return;}
updateSlideList();}
var moveFwd=function(){stopTimer();if(prevSlots<maxSlots){var slots=moveBy1?1:Math.min(maxSlots-prevSlots,numDisplay);prevSlots+=slots;nextSlots-=slots;}
else if(contNav){prevSlots=0;nextSlots=maxSlots;}
else{return;}
updateSlideList();}
var rotateFwd=function(){stopTimer();if(prevSlots<maxSlots){var slots=moveBy1?1:Math.min(maxSlots-prevSlots,numDisplay);prevSlots+=slots;nextSlots-=slots;}
else{prevSlots=0;nextSlots=maxSlots;}
updateSlideList();}
var processLoadedImg=function(){processImg($(this));}
var processImg=function($img){var ratio;if($img.outerWidth()>slideWidth){ratio=$img.outerHeight()/$img.outerWidth();$img.css({width:slideWidth,height:ratio*slideWidth});}
if($img.outerHeight()>slideHeight){ratio=$img.outerWidth()/$img.outerHeight();$img.css({width:ratio*slideHeight,height:slideHeight});}
$img.css({left:(slideWidth-$img.outerWidth())/2,top:extOffset+(slideHeight-$img.outerHeight())/2});}
var onBlur=function(){$scroller.unbind(START_TIMER).unbind("mouseenter").unbind("mouseleave");stopTimer();$(document).unbind();}
this.onFocus=function(){if(autoScroll){$scroller.bind(START_TIMER,startTimer).hover(scrollerOver,scrollerOut).trigger(START_TIMER);}
$(document).unbind().bind("keyup",onKeyPress);}
var itemMouseover=function(){$(this).find("img:first").stop().animate({opacity:SLIDE_OPACITY},ANIMATE_SPEED);}
var itemMouseout=function(){$(this).find("img:first").stop().animate({opacity:1},ANIMATE_SPEED,function(){if(jQuery.browser.msie){this.style.removeAttribute('filter');}});}
var showCaption=function(){var $caption=$(this).find(">p:first");$caption.stop().animate({top:captionAlign==BOTTOM?slideHeight-$caption.outerHeight():0},ANIMATE_SPEED);}
var hideCaption=function(){var $caption=$(this).find(">p:first");$caption.stop().animate({top:captionAlign==BOTTOM?slideHeight:-$caption.outerHeight()},ANIMATE_SPEED);}
var scrollerOver=function(){$scroller.unbind(START_TIMER);stopTimer();}
var scrollerOut=function(){$scroller.bind(START_TIMER,startTimer).trigger(START_TIMER);}
var onKeyPress=function(e){switch(e.keyCode){case 37:moveBack();break;case 39:moveFwd();break;}}
var preventDefault=function(){return false;}
var stopPropagation=function(e){e.stopPropagation();}
var shuffleItems=function(){for(var i=0;i<$items.length;i++){var ri=Math.floor(Math.random()*$items.length);var temp=$items[i];$items[i]=$items[ri];$items[ri]=temp;}
for(var i=0;i<$items.length;i++){$items[i]=$items[i].clone(true);}
for(var i=0;i<$items.length;i++){$($slides.get(i)).replaceWith($items[i]);}}
var startTimer=function(){if(timerId==null){timerId=setTimeout(rotateFwd,delay);}}
var stopTimer=function(){clearTimeout(timerId);timerId=null;}}
var getPosNumber=function(val,defaultVal){if(!isNaN(val)&&val>0){return val;}
return defaultVal;}
var getNonNegNumber=function(val,defaultVal){if(!isNaN(val)&&val>=0){return val;}
return defaultVal;}
var defaults={num_display:3,slide_width:300,slide_height:200,slide_margin:1,button_width:30,ctrl_height:20,margin:8,auto_scroll:true,delay:DEFAULT_DELAY,scroll_speed:SCROLL_SPEED,easing:"linear",move_one:false,display_buttons:true,display_scrollbar:true,display_indexes:false,display_caption:true,mouseover_caption:false,caption_align:BOTTOM,caption_position:INSIDE,lightbox_on:true,cont_nav:true,shuffle:false,lightbox:{rotate:true,delay:DEFAULT_DELAY,easing:"",transition_speed:DEFAULT_DURATION,display_number:true,display_timer:true,display_caption:true,caption_align:BOTTOM,cont_nav:true,auto_fit:true}};var opts=$.extend(true,{},defaults,params);return this.each(function(){var scroller=new Scroller($(this),opts);scroller.init();});}})(jQuery);