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https://benesse.jp/_shared/js/bxslider/jquery.bxslider.js

js benesse.jp collected 2026-09-24 08:52:43 UTC 49,290 bytes, 1,315 lines download raw bytes

1/**
2 * BxSlider v4.1.1 - Fully loaded, responsive content slider
3 * http://bxslider.com
4 *
5 * Copyright 2013, Steven Wanderski - http://stevenwanderski.com - http://bxcreative.com
6 * Written while drinking Belgian ales and listening to jazz
7 *
8 * Released under the MIT license - http://opensource.org/licenses/MIT
9 */
10
11;(function($){
12
13	var plugin = {};
14
15	var defaults = {
16
17		// GENERAL
18		mode: 'horizontal',
19		slideSelector: '',
20		infiniteLoop: true,
21		hideControlOnEnd: false,
22		speed: 500,
23		easing: null,
24		slideMargin: 0,
25		startSlide: 0,
26		randomStart: false,
27		captions: false,
28		ticker: false,
29		tickerHover: false,
30		adaptiveHeight: false,
31		adaptiveHeightSpeed: 500,
32		video: false,
33		useCSS: true,
34		preloadImages: 'visible',
35		responsive: true,
36
37		// TOUCH
38		touchEnabled: true,
39		swipeThreshold: 50,
40		oneToOneTouch: true,
41		preventDefaultSwipeX: true,
42		preventDefaultSwipeY: false,
43
44		// PAGER
45		pager: true,
46		pagerType: 'full',
47		pagerShortSeparator: ' / ',
48		pagerSelector: null,
49		buildPager: null,
50		pagerCustom: null,
51
52		// CONTROLS
53		controls: true,
54		nextText: 'Next',
55		prevText: 'Prev',
56		nextSelector: null,
57		prevSelector: null,
58		autoControls: false,
59		startText: 'Start',
60		stopText: 'Stop',
61		autoControlsCombine: false,
62		autoControlsSelector: null,
63
64		// AUTO
65		auto: false,
66		pause: 4000,
67		autoStart: true,
68		autoDirection: 'next',
69		autoHover: false,
70		autoDelay: 0,
71
72		// CAROUSEL
73		minSlides: 1,
74		maxSlides: 1,
75		moveSlides: 0,
76		slideWidth: 0,
77
78		// CALLBACKS
79		onSliderLoad: function() {},
80		onSlideBefore: function() {},
81		onSlideAfter: function() {},
82		onSlideNext: function() {},
83		onSlidePrev: function() {}
84	}
85
86	$.fn.bxSlider = function(options){
87
88		if(this.length == 0) return this;
89
90		// support mutltiple elements
91		if(this.length > 1){
92			this.each(function(){$(this).bxSlider(options)});
93			return this;
94		}
95
96		// create a namespace to be used throughout the plugin
97		var slider = {};
98		// set a reference to our slider element
99		var el = this;
100		plugin.el = this;
101
102		/**
103		 * Makes slideshow responsive
104		 */
105		// first get the original window dimens (thanks alot IE)
106		var windowWidth = $(window).width();
107		var windowHeight = $(window).height();
108
109
110
111		/**
112		 * ===================================================================================
113		 * = PRIVATE FUNCTIONS
114		 * ===================================================================================
115		 */
116
117		/**
118		 * Initializes namespace settings to be used throughout plugin
119		 */
120		var init = function(){
121			// merge user-supplied options with the defaults
122			slider.settings = $.extend({}, defaults, options);
123			// parse slideWidth setting
124			slider.settings.slideWidth = parseInt(slider.settings.slideWidth);
125			// store the original children
126			slider.children = el.children(slider.settings.slideSelector);
127			// check if actual number of slides is less than minSlides / maxSlides
128			if(slider.children.length < slider.settings.minSlides) slider.settings.minSlides = slider.children.length;
129			if(slider.children.length < slider.settings.maxSlides) slider.settings.maxSlides = slider.children.length;
130			// if random start, set the startSlide setting to random number
131			if(slider.settings.randomStart) slider.settings.startSlide = Math.floor(Math.random() * slider.children.length);
132			// store active slide information
133			slider.active = { index: slider.settings.startSlide }
134			// store if the slider is in carousel mode (displaying / moving multiple slides)
135			slider.carousel = slider.settings.minSlides > 1 || slider.settings.maxSlides > 1;
136			// if carousel, force preloadImages = 'all'
137			if(slider.carousel) slider.settings.preloadImages = 'all';
138			// calculate the min / max width thresholds based on min / max number of slides
139			// used to setup and update carousel slides dimensions
140			slider.minThreshold = (slider.settings.minSlides * slider.settings.slideWidth) + ((slider.settings.minSlides - 1) * slider.settings.slideMargin);
141			slider.maxThreshold = (slider.settings.maxSlides * slider.settings.slideWidth) + ((slider.settings.maxSlides - 1) * slider.settings.slideMargin);
142			// store the current state of the slider (if currently animating, working is true)
143			slider.working = false;
144			// initialize the controls object
145			slider.controls = {};
146			// initialize an auto interval
147			slider.interval = null;
148			// determine which property to use for transitions
149			slider.animProp = slider.settings.mode == 'vertical' ? 'top' : 'left';
150			// determine if hardware acceleration can be used
151			slider.usingCSS = slider.settings.useCSS && slider.settings.mode != 'fade' && (function(){
152				// create our test div element
153				var div = document.createElement('div');
154				// css transition properties
155				var props = ['WebkitPerspective', 'MozPerspective', 'OPerspective', 'msPerspective'];
156				// test for each property
157				for(var i in props){
158					if(div.style[props[i]] !== undefined){
159						slider.cssPrefix = props[i].replace('Perspective', '').toLowerCase();
160						slider.animProp = '-' + slider.cssPrefix + '-transform';
161						return true;
162					}
163				}
164				return false;
165			}());
166			// if vertical mode always make maxSlides and minSlides equal
167			if(slider.settings.mode == 'vertical') slider.settings.maxSlides = slider.settings.minSlides;
168			// save original style data
169			el.data("origStyle", el.attr("style"));
170			el.children(slider.settings.slideSelector).each(function() {
171			  $(this).data("origStyle", $(this).attr("style"));
172			});
173			// perform all DOM / CSS modifications
174			setup();
175		}
176
177		/**
178		 * Performs all DOM and CSS modifications
179		 */
180		var setup = function(){
181			// wrap el in a wrapper
182			el.wrap('<div class="bx-wrapper"><div class="bx-viewport"></div></div>');
183			// store a namspace reference to .bx-viewport
184			slider.viewport = el.parent();
185			// add a loading div to display while images are loading
186			slider.loader = $('<div class="bx-loading" />');
187			slider.viewport.prepend(slider.loader);
188			// set el to a massive width, to hold any needed slides
189			// also strip any margin and padding from el
190			el.css({
191				width: slider.settings.mode == 'horizontal' ? (slider.children.length * 100 + 215) + '%' : 'auto',
192				position: 'relative'
193			});
194			// if using CSS, add the easing property
195			if(slider.usingCSS && slider.settings.easing){
196				el.css('-' + slider.cssPrefix + '-transition-timing-function', slider.settings.easing);
197			// if not using CSS and no easing value was supplied, use the default JS animation easing (swing)
198			}else if(!slider.settings.easing){
199				slider.settings.easing = 'swing';
200			}
201			var slidesShowing = getNumberSlidesShowing();
202			// make modifications to the viewport (.bx-viewport)
203			slider.viewport.css({
204				width: '100%',
205				overflow: 'hidden',
206				position: 'relative'
207			});
208			slider.viewport.parent().css({
209				maxWidth: getViewportMaxWidth()
210			});
211			// make modification to the wrapper (.bx-wrapper)
212			if(!slider.settings.pager) {
213				slider.viewport.parent().css({
214				margin: '0 auto 0px'
215				});
216			}
217			// apply css to all slider children
218			slider.children.css({
219				'float': slider.settings.mode == 'horizontal' ? 'left' : 'none',
220				listStyle: 'none',
221				position: 'relative'
222			});
223			// apply the calculated width after the float is applied to prevent scrollbar interference
224			slider.children.css('width', getSlideWidth());
225			// if slideMargin is supplied, add the css
226			if(slider.settings.mode == 'horizontal' && slider.settings.slideMargin > 0) slider.children.css('marginRight', slider.settings.slideMargin);
227			if(slider.settings.mode == 'vertical' && slider.settings.slideMargin > 0) slider.children.css('marginBottom', slider.settings.slideMargin);
228			// if "fade" mode, add positioning and z-index CSS
229			if(slider.settings.mode == 'fade'){
230				slider.children.css({
231					position: 'absolute',
232					zIndex: 0,
233					display: 'none'
234				});
235				// prepare the z-index on the showing element
236				slider.children.eq(slider.settings.startSlide).css({zIndex: 50, display: 'block'});
237			}
238			// create an element to contain all slider controls (pager, start / stop, etc)
239			slider.controls.el = $('<div class="bx-controls" />');
240			// if captions are requested, add them
241			if(slider.settings.captions) appendCaptions();
242			// check if startSlide is last slide
243			slider.active.last = slider.settings.startSlide == getPagerQty() - 1;
244			// if video is true, set up the fitVids plugin
245			if(slider.settings.video) el.fitVids();
246			// set the default preload selector (visible)
247			var preloadSelector = slider.children.eq(slider.settings.startSlide);
248			if (slider.settings.preloadImages == "all") preloadSelector = slider.children;
249			// only check for control addition if not in "ticker" mode
250			if(!slider.settings.ticker){
251				// if pager is requested, add it
252				if(slider.settings.pager) appendPager();
253				// if controls are requested, add them
254				if(slider.settings.controls) appendControls();
255				// if auto is true, and auto controls are requested, add them
256				if(slider.settings.auto && slider.settings.autoControls) appendControlsAuto();
257				// if any control option is requested, add the controls wrapper
258				if(slider.settings.controls || slider.settings.autoControls || slider.settings.pager) slider.viewport.after(slider.controls.el);
259			// if ticker mode, do not allow a pager
260			}else{
261				slider.settings.pager = false;
262			}
263			// preload all images, then perform final DOM / CSS modifications that depend on images being loaded
264			loadElements(preloadSelector, start);
265		}
266
267		var loadElements = function(selector, callback){
268			var total = selector.find('img, iframe').length;
269			if (total == 0){
270				callback();
271				return;
272			}
273			var count = 0;
274			selector.find('img, iframe').each(function(){
275				$(this).one('load', function() {
276				  if(++count == total) callback();
277				}).each(function() {
278				  if(this.complete) $(this).load();
279				});
280			});
281		}
282
283		/**
284		 * Start the slider
285		 */
286		var start = function(){
287			// if infinite loop, prepare additional slides
288			if(slider.settings.infiniteLoop && slider.settings.mode != 'fade' && !slider.settings.ticker){
289				var slice = slider.settings.mode == 'vertical' ? slider.settings.minSlides : slider.settings.maxSlides;
290				var sliceAppend = slider.children.slice(0, slice).clone().addClass('bx-clone');
291				var slicePrepend = slider.children.slice(-slice).clone().addClass('bx-clone');
292				el.append(sliceAppend).prepend(slicePrepend);
293			}
294			// remove the loading DOM element
295			slider.loader.remove();
296			// set the left / top position of "el"
297			setSlidePosition();
298			// if "vertical" mode, always use adaptiveHeight to prevent odd behavior
299			if (slider.settings.mode == 'vertical') slider.settings.adaptiveHeight = true;
300			// set the viewport height
301			slider.viewport.height(getViewportHeight());
302			// make sure everything is positioned just right (same as a window resize)
303			el.redrawSlider();
304			// onSliderLoad callback
305			slider.settings.onSliderLoad(slider.active.index);
306			// slider has been fully initialized
307			slider.initialized = true;
308			// bind the resize call to the window
309			if (slider.settings.responsive) $(window).bind('resize', resizeWindow);
310			// if auto is true, start the show
311			if (slider.settings.auto && slider.settings.autoStart) initAuto();
312			// if ticker is true, start the ticker
313			if (slider.settings.ticker) initTicker();
314			// if pager is requested, make the appropriate pager link active
315			if (slider.settings.pager) updatePagerActive(slider.settings.startSlide);
316			// check for any updates to the controls (like hideControlOnEnd updates)
317			if (slider.settings.controls) updateDirectionControls();
318			// if touchEnabled is true, setup the touch events
319			if (slider.settings.touchEnabled && !slider.settings.ticker) initTouch();
320		}
321
322		/**
323		 * Returns the calculated height of the viewport, used to determine either adaptiveHeight or the maxHeight value
324		 */
325		var getViewportHeight = function(){
326			var height = 0;
327			// first determine which children (slides) should be used in our height calculation
328			var children = $();
329			// if mode is not "vertical" and adaptiveHeight is false, include all children
330			if(slider.settings.mode != 'vertical' && !slider.settings.adaptiveHeight){
331				children = slider.children;
332			}else{
333				// if not carousel, return the single active child
334				if(!slider.carousel){
335					children = slider.children.eq(slider.active.index);
336				// if carousel, return a slice of children
337				}else{
338					// get the individual slide index
339					var currentIndex = slider.settings.moveSlides == 1 ? slider.active.index : slider.active.index * getMoveBy();
340					// add the current slide to the children
341					children = slider.children.eq(currentIndex);
342					// cycle through the remaining "showing" slides
343					for (i = 1; i <= slider.settings.maxSlides - 1; i++){
344						// if looped back to the start
345						if(currentIndex + i >= slider.children.length){
346							children = children.add(slider.children.eq(i - 1));
347						}else{
348							children = children.add(slider.children.eq(currentIndex + i));
349						}
350					}
351				}
352			}
353			// if "vertical" mode, calculate the sum of the heights of the children
354			if(slider.settings.mode == 'vertical'){
355				children.each(function(index) {
356				  height += $(this).outerHeight();
357				});
358				// add user-supplied margins
359				if(slider.settings.slideMargin > 0){
360					height += slider.settings.slideMargin * (slider.settings.minSlides - 1);
361				}
362			// if not "vertical" mode, calculate the max height of the children
363			}else{
364				height = Math.max.apply(Math, children.map(function(){
365					return $(this).outerHeight(false);
366				}).get());
367			}
368			return height;
369		}
370
371		/**
372		 * Returns the calculated width to be used for the outer wrapper / viewport
373		 */
374		var getViewportMaxWidth = function(){
375			var width = '100%';
376			if(slider.settings.slideWidth > 0){
377				if(slider.settings.mode == 'horizontal'){
378					width = (slider.settings.maxSlides * slider.settings.slideWidth) + ((slider.settings.maxSlides - 1) * slider.settings.slideMargin);
379				}else{
380					width = slider.settings.slideWidth;
381				}
382			}
383			return width;
384		}
385
386		/**
387		 * Returns the calculated width to be applied to each slide
388		 */
389		var getSlideWidth = function(){
390			// start with any user-supplied slide width
391			var newElWidth = slider.settings.slideWidth;
392			// get the current viewport width
393			var wrapWidth = slider.viewport.width();
394			// if slide width was not supplied, or is larger than the viewport use the viewport width
395			if(slider.settings.slideWidth == 0 ||
396				(slider.settings.slideWidth > wrapWidth && !slider.carousel) ||
397				slider.settings.mode == 'vertical'){
398				newElWidth = wrapWidth;
399			// if carousel, use the thresholds to determine the width
400			}else if(slider.settings.maxSlides > 1 && slider.settings.mode == 'horizontal'){
401				if(wrapWidth > slider.maxThreshold){
402					// newElWidth = (wrapWidth - (slider.settings.slideMargin * (slider.settings.maxSlides - 1))) / slider.settings.maxSlides;
403				}else if(wrapWidth < slider.minThreshold){
404					newElWidth = (wrapWidth - (slider.settings.slideMargin * (slider.settings.minSlides - 1))) / slider.settings.minSlides;
405				}
406			}
407			return newElWidth;
408		}
409
410		/**
411		 * Returns the number of slides currently visible in the viewport (includes partially visible slides)
412		 */
413		var getNumberSlidesShowing = function(){
414			var slidesShowing = 1;
415			if(slider.settings.mode == 'horizontal' && slider.settings.slideWidth > 0){
416				// if viewport is smaller than minThreshold, return minSlides
417				if(slider.viewport.width() < slider.minThreshold){
418					slidesShowing = slider.settings.minSlides;
419				// if viewport is larger than minThreshold, return maxSlides
420				}else if(slider.viewport.width() > slider.maxThreshold){
421					slidesShowing = slider.settings.maxSlides;
422				// if viewport is between min / max thresholds, divide viewport width by first child width
423				}else{
424					var childWidth = slider.children.first().width();
425					slidesShowing = Math.floor(slider.viewport.width() / childWidth);
426				}
427			// if "vertical" mode, slides showing will always be minSlides
428			}else if(slider.settings.mode == 'vertical'){
429				slidesShowing = slider.settings.minSlides;
430			}
431			return slidesShowing;
432		}
433
434		/**
435		 * Returns the number of pages (one full viewport of slides is one "page")
436		 */
437		var getPagerQty = function(){
438			var pagerQty = 0;
439			// if moveSlides is specified by the user
440			if(slider.settings.moveSlides > 0){
441				if(slider.settings.infiniteLoop){
442					pagerQty = slider.children.length / getMoveBy();
443				}else{
444					// use a while loop to determine pages
445					var breakPoint = 0;
446					var counter = 0
447					// when breakpoint goes above children length, counter is the number of pages
448					while (breakPoint < slider.children.length){
449						++pagerQty;
450						breakPoint = counter + getNumberSlidesShowing();
451						counter += slider.settings.moveSlides <= getNumberSlidesShowing() ? slider.settings.moveSlides : getNumberSlidesShowing();
452					}
453				}
454			// if moveSlides is 0 (auto) divide children length by sides showing, then round up
455			}else{
456				pagerQty = Math.ceil(slider.children.length / getNumberSlidesShowing());
457			}
458			return pagerQty;
459		}
460
461		/**
462		 * Returns the number of indivual slides by which to shift the slider
463		 */
464		var getMoveBy = function(){
465			// if moveSlides was set by the user and moveSlides is less than number of slides showing
466			if(slider.settings.moveSlides > 0 && slider.settings.moveSlides <= getNumberSlidesShowing()){
467				return slider.settings.moveSlides;
468			}
469			// if moveSlides is 0 (auto)
470			return getNumberSlidesShowing();
471		}
472
473		/**
474		 * Sets the slider's (el) left or top position
475		 */
476		var setSlidePosition = function(){
477			// if last slide, not infinite loop, and number of children is larger than specified maxSlides
478			if(slider.children.length > slider.settings.maxSlides && slider.active.last && !slider.settings.infiniteLoop){
479				if (slider.settings.mode == 'horizontal'){
480					// get the last child's position
481					var lastChild = slider.children.last();
482					var position = lastChild.position();
483					// set the left position
484					setPositionProperty(-(position.left - (slider.viewport.width() - lastChild.width())), 'reset', 0);
485				}else if(slider.settings.mode == 'vertical'){
486					// get the last showing index's position
487					var lastShowingIndex = slider.children.length - slider.settings.minSlides;
488					var position = slider.children.eq(lastShowingIndex).position();
489					// set the top position
490					setPositionProperty(-position.top, 'reset', 0);
491				}
492			// if not last slide
493			}else{
494				// get the position of the first showing slide
495				var position = slider.children.eq(slider.active.index * getMoveBy()).position();
496				// check for last slide
497				if (slider.active.index == getPagerQty() - 1) slider.active.last = true;
498				// set the repective position
499				if (position != undefined){
500					if (slider.settings.mode == 'horizontal') setPositionProperty(-position.left, 'reset', 0);
501					else if (slider.settings.mode == 'vertical') setPositionProperty(-position.top, 'reset', 0);
502				}
503			}
504		}
505
506		/**
507		 * Sets the el's animating property position (which in turn will sometimes animate el).
508		 * If using CSS, sets the transform property. If not using CSS, sets the top / left property.
509		 *
510		 * @param value (int)
511		 *  - the animating property's value
512		 *
513		 * @param type (string) 'slider', 'reset', 'ticker'
514		 *  - the type of instance for which the function is being
515		 *
516		 * @param duration (int)
517		 *  - the amount of time (in ms) the transition should occupy
518		 *
519		 * @param params (array) optional
520		 *  - an optional parameter containing any variables that need to be passed in
521		 */
522		var setPositionProperty = function(value, type, duration, params){
523			// use CSS transform
524			if(slider.usingCSS){
525				// determine the translate3d value
526				var propValue = slider.settings.mode == 'vertical' ? 'translate3d(0, ' + value + 'px, 0)' : 'translate3d(' + value + 'px, 0, 0)';
527				// add the CSS transition-duration
528				el.css('-' + slider.cssPrefix + '-transition-duration', duration / 1000 + 's');
529				if(type == 'slide'){
530					// set the property value
531					el.css(slider.animProp, propValue);
532					// bind a callback method - executes when CSS transition completes
533					el.bind('transitionend webkitTransitionEnd oTransitionEnd MSTransitionEnd', function(){
534						// unbind the callback
535						el.unbind('transitionend webkitTransitionEnd oTransitionEnd MSTransitionEnd');
536						updateAfterSlideTransition();
537					});
538				}else if(type == 'reset'){
539					el.css(slider.animProp, propValue);
540				}else if(type == 'ticker'){
541					// make the transition use 'linear'
542					el.css('-' + slider.cssPrefix + '-transition-timing-function', 'linear');
543					el.css(slider.animProp, propValue);
544					// bind a callback method - executes when CSS transition completes
545					el.bind('transitionend webkitTransitionEnd oTransitionEnd MSTransitionEnd', function(){
546						// unbind the callback
547						el.unbind('transitionend webkitTransitionEnd oTransitionEnd MSTransitionEnd');
548						// reset the position
549						setPositionProperty(params['resetValue'], 'reset', 0);
550						// start the loop again
551						tickerLoop();
552					});
553				}
554			// use JS animate
555			}else{
556				var animateObj = {};
557				animateObj[slider.animProp] = value;
558				if(type == 'slide'){
559					el.animate(animateObj, duration, slider.settings.easing, function(){
560						updateAfterSlideTransition();
561					});
562				}else if(type == 'reset'){
563					el.css(slider.animProp, value)
564				}else if(type == 'ticker'){
565					el.animate(animateObj, speed, 'linear', function(){
566						setPositionProperty(params['resetValue'], 'reset', 0);
567						// run the recursive loop after animation
568						tickerLoop();
569					});
570				}
571			}
572		}
573
574		/**
575		 * Populates the pager with proper amount of pages
576		 */
577		var populatePager = function(){
578			var pagerHtml = '';
579			var pagerQty = getPagerQty();
580			// loop through each pager item
581			for(var i=0; i < pagerQty; i++){
582				var linkContent = '';
583				// if a buildPager function is supplied, use it to get pager link value, else use index + 1
584				if(slider.settings.buildPager && $.isFunction(slider.settings.buildPager)){
585					linkContent = slider.settings.buildPager(i);
586					slider.pagerEl.addClass('bx-custom-pager');
587				}else{
588					linkContent = i + 1;
589					slider.pagerEl.addClass('bx-default-pager');
590				}
591				// var linkContent = slider.settings.buildPager && $.isFunction(slider.settings.buildPager) ? slider.settings.buildPager(i) : i + 1;
592				// add the markup to the string
593				pagerHtml += '<div class="bx-pager-item">
vendor: 3,648 bytes, lines 593-675
593<a href="" data-slide-index="' + i + '" class="bx-pager-link">' + linkContent + '</a></div>';
594			};
595			// populate the pager element with pager links
596			slider.pagerEl.html(pagerHtml);
597		}
598
599		/**
600		 * Appends the pager to the controls element
601		 */
602		var appendPager = function(){
603			if(!slider.settings.pagerCustom){
604				// create the pager DOM element
605				slider.pagerEl = $('<div class="bx-pager" />');
606				// if a pager selector was supplied, populate it with the pager
607				if(slider.settings.pagerSelector){
608					$(slider.settings.pagerSelector).html(slider.pagerEl);
609				// if no pager selector was supplied, add it after the wrapper
610				}else{
611					slider.controls.el.addClass('bx-has-pager').append(slider.pagerEl);
612				}
613				// populate the pager
614				populatePager();
615			}else{
616				slider.pagerEl = $(slider.settings.pagerCustom);
617			}
618			// assign the pager click binding
619			slider.pagerEl.delegate('a', 'click', clickPagerBind);
620		}
621
622		/**
623		 * Appends prev / next controls to the controls element
624		 */
625		var appendControls = function(){
626			slider.controls.next = $('<a class="bx-next" href="">' + slider.settings.nextText + '</a>');
627			slider.controls.prev = $('<a class="bx-prev" href="">' + slider.settings.prevText + '</a>');
628			// bind click actions to the controls
629			slider.controls.next.bind('click', clickNextBind);
630			slider.controls.prev.bind('click', clickPrevBind);
631			// if nextSlector was supplied, populate it
632			if(slider.settings.nextSelector){
633				$(slider.settings.nextSelector).append(slider.controls.next);
634			}
635			// if prevSlector was supplied, populate it
636			if(slider.settings.prevSelector){
637				$(slider.settings.prevSelector).append(slider.controls.prev);
638			}
639			// if no custom selectors were supplied
640			if(!slider.settings.nextSelector && !slider.settings.prevSelector){
641				// add the controls to the DOM
642				slider.controls.directionEl = $('<div class="bx-controls-direction" />');
643				// add the control elements to the directionEl
644				slider.controls.directionEl.append(slider.controls.prev).append(slider.controls.next);
645				// slider.viewport.append(slider.controls.directionEl);
646				slider.controls.el.addClass('bx-has-controls-direction').append(slider.controls.directionEl);
647			}
648		}
649
650		/**
651		 * Appends start / stop auto controls to the controls element
652		 */
653		var appendControlsAuto = function(){
654			slider.controls.start = $('<div class="bx-controls-auto-item"><a class="bx-start" href="">' + slider.settings.startText + '</a></div>');
655			slider.controls.stop = $('<div class="bx-controls-auto-item"><a class="bx-stop" href="">' + slider.settings.stopText + '</a></div>');
656			// add the controls to the DOM
657			slider.controls.autoEl = $('<div class="bx-controls-auto" />');
658			// bind click actions to the controls
659			slider.controls.autoEl.delegate('.bx-start', 'click', clickStartBind);
660			slider.controls.autoEl.delegate('.bx-stop', 'click', clickStopBind);
661			// if autoControlsCombine, insert only the "start" control
662			if(slider.settings.autoControlsCombine){
663				slider.controls.autoEl.append(slider.controls.start);
664			// if autoControlsCombine is false, insert both controls
665			}else{
666				slider.controls.autoEl.append(slider.controls.start).append(slider.controls.stop);
667			}
668			// if auto controls selector was supplied, populate it with the controls
669			if(slider.settings.autoControlsSelector){
670				$(slider.settings.autoControlsSelector).html(slider.controls.autoEl);
671			// if auto controls selector was not supplied, add it after the wrapper
672			}else{
673				slider.controls.el.addClass('bx-has-controls-auto').append(slider.controls.autoEl);
674			}
675			// update the auto controls
676			updateAutoControls(slider.settings.autoStart ? 'stop' : 'start');
677		}
678
679		/**
680		 * Appends image captions to the DOM
681		 */
682		var appendCaptions = function(){
683			// cycle through each child
684			slider.children.each(function(index){
685				// get the image title attribute
686				var title = $(this).find('img:first').attr('title');
687				// append the caption
688				if (title != undefined && ('' + title).length) {
689                    $(this).append('<div class="bx-caption"><span>' + title + '</span></div>');
690                }
691			});
692		}
693
694		/**
695		 * Click next binding
696		 *
697		 * @param e (event)
698		 *  - DOM event object
699		 */
700		var clickNextBind = function(e){
701			// if auto show is running, stop it
702			//if (slider.settings.auto) el.stopAuto();
703			el.goToNextSlide();
704			e.preventDefault();
705		}
706
707		/**
708		 * Click prev binding
709		 *
710		 * @param e (event)
711		 *  - DOM event object
712		 */
713		var clickPrevBind = function(e){
714			// if auto show is running, stop it
715			//if (slider.settings.auto) el.stopAuto();
716			el.goToPrevSlide();
717			e.preventDefault();
718		}
719
720		/**
721		 * Click start binding
722		 *
723		 * @param e (event)
724		 *  - DOM event object
725		 */
726		var clickStartBind = function(e){
727			el.startAuto();
728			e.preventDefault();
729		}
730
731		/**
732		 * Click stop binding
733		 *
734		 * @param e (event)
735		 *  - DOM event object
736		 */
737		var clickStopBind = function(e){
738			el.stopAuto();
739			e.preventDefault();
740		}
741
742		/**
743		 * Click pager binding
744		 *
745		 * @param e (event)
746		 *  - DOM event object
747		 */
748		var clickPagerBind = function(e){
749			// if auto show is running, stop it
750			//if (slider.settings.auto) el.stopAuto();
751			var pagerLink = $(e.currentTarget);
752			var pagerIndex = parseInt(pagerLink.attr('data-slide-index'));
753			// if clicked pager link is not active, continue with the goToSlide call
754			if(pagerIndex != slider.active.index) el.goToSlide(pagerIndex);
755			e.preventDefault();
756		}
757
758		/**
759		 * Updates the pager links with an active class
760		 *
761		 * @param slideIndex (int)
762		 *  - index of slide to make active
763		 */
764		var updatePagerActive = function(slideIndex){
765			// if "short" pager type
766			var len = slider.children.length; // nb of children
767			if(slider.settings.pagerType == 'short'){
768				if(slider.settings.maxSlides > 1) {
769					len = Math.ceil(slider.children.length/slider.settings.maxSlides);
770				}
771				slider.pagerEl.html( (slideIndex + 1) + slider.settings.pagerShortSeparator + len);
772				return;
773			}
774			// remove all pager active classes
775			slider.pagerEl.find('a').removeClass('active');
776			// apply the active class for all pagers
777			slider.pagerEl.each(function(i, el) { $(el).find('a').eq(slideIndex).addClass('active'); });
778		}
779
780		/**
781		 * Performs needed actions after a slide transition
782		 */
783		var updateAfterSlideTransition = function(){
784			// if infinte loop is true
785			if(slider.settings.infiniteLoop){
786				var position = '';
787				// first slide
788				if(slider.active.index == 0){
789					// set the new position
790					position = slider.children.eq(0).position();
791				// carousel, last slide
792				}else if(slider.active.index == getPagerQty() - 1 && slider.carousel){
793					position = slider.children.eq((getPagerQty() - 1) * getMoveBy()).position();
794				// last slide
795				}else if(slider.active.index == slider.children.length - 1){
796					position = slider.children.eq(slider.children.length - 1).position();
797				}
798				if (slider.settings.mode == 'horizontal') { setPositionProperty(-position.left, 'reset', 0);; }
799				else if (slider.settings.mode == 'vertical') { setPositionProperty(-position.top, 'reset', 0);; }
800			}
801			// declare that the transition is complete
802			slider.working = false;
803			// onSlideAfter callback
804			slider.settings.onSlideAfter(slider.children.eq(slider.active.index), slider.oldIndex, slider.active.index);
805		}
806
807		/**
808		 * Updates the auto controls state (either active, or combined switch)
809		 *
810		 * @param state (string) "start", "stop"
811		 *  - the new state of the auto show
812		 */
813		var updateAutoControls = function(state){
814			// if autoControlsCombine is true, replace the current control with the new state
815			if(slider.settings.autoControlsCombine){
816				slider.controls.autoEl.html(slider.controls[state]);
817			// if autoControlsCombine is false, apply the "active" class to the appropriate control
818			}else{
819				slider.controls.autoEl.find('a').removeClass('active');
820				slider.controls.autoEl.find('a:not(.bx-' + state + ')').addClass('active');
821			}
822		}
823
824		/**
825		 * Updates the direction controls (checks if either should be hidden)
826		 */
827		var updateDirectionControls = function(){
828			if(getPagerQty() == 1){
829				slider.controls.prev.addClass('disabled');
830				slider.controls.next.addClass('disabled');
831			}else if(!slider.settings.infiniteLoop && slider.settings.hideControlOnEnd){
832				// if first slide
833				if (slider.active.index == 0){
834					slider.controls.prev.addClass('disabled');
835					slider.controls.next.removeClass('disabled');
836				// if last slide
837				}else if(slider.active.index == getPagerQty() - 1){
838					slider.controls.next.addClass('disabled');
839					slider.controls.prev.removeClass('disabled');
840				// if any slide in the middle
841				}else{
842					slider.controls.prev.removeClass('disabled');
843					slider.controls.next.removeClass('disabled');
844				}
845			}
846		}
847
848		/**
849		 * Initialzes the auto process
850		 */
851		var initAuto = function(){
852			// if autoDelay was supplied, launch the auto show using a setTimeout() call
853			if(slider.settings.autoDelay > 0){
854				var timeout = setTimeout(el.startAuto, slider.settings.autoDelay);
855			// if autoDelay was not supplied, start the auto show normally
856			}else{
857				el.startAuto();
858			}
859			// if autoHover is requested
860			if(slider.settings.autoHover){
861				// on el hover
862				el.hover(function(){
863					// if the auto show is currently playing (has an active interval)
864					if(slider.interval){
865						// stop the auto show and pass true agument which will prevent control update
866						el.stopAuto(true);
867						// create a new autoPaused value which will be used by the relative "mouseout" event
868						slider.autoPaused = true;
869					}
870				}, function(){
871					// if the autoPaused value was created be the prior "mouseover" event
872					if(slider.autoPaused){
873						// start the auto show and pass true agument which will prevent control update
874						el.startAuto(true);
875						// reset the autoPaused value
876						slider.autoPaused = null;
877					}
878				});
879			}
880		}
881
882		/**
883		 * Initialzes the ticker process
884		 */
885		var initTicker = function(){
886			var startPosition = 0;
887			// if autoDirection is "next", append a clone of the entire slider
888			if(slider.settings.autoDirection == 'next'){
889				el.append(slider.children.clone().addClass('bx-clone'));
890			// if autoDirection is "prev", prepend a clone of the entire slider, and set the left position
891			}else{
892				el.prepend(slider.children.clone().addClass('bx-clone'));
893				var position = slider.children.first().position();
894				startPosition = slider.settings.mode == 'horizontal' ? -position.left : -position.top;
895			}
896			setPositionProperty(startPosition, 'reset', 0);
897			// do not allow controls in ticker mode
898			slider.settings.pager = false;
899			slider.settings.controls = false;
900			slider.settings.autoControls = false;
901			// if autoHover is requested
902			if(slider.settings.tickerHover && !slider.usingCSS){
903				// on el hover
904				slider.viewport.hover(function(){
905					el.stop();
906				}, function(){
907					// calculate the total width of children (used to calculate the speed ratio)
908					var totalDimens = 0;
909					slider.children.each(function(index){
910					  totalDimens += slider.settings.mode == 'horizontal' ? $(this).outerWidth(true) : $(this).outerHeight(true);
911					});
912					// calculate the speed ratio (used to determine the new speed to finish the paused animation)
913					var ratio = slider.settings.speed / totalDimens;
914					// determine which property to use
915					var property = slider.settings.mode == 'horizontal' ? 'left' : 'top';
916					// calculate the new speed
917					var newSpeed = ratio * (totalDimens - (Math.abs(parseInt(el.css(property)))));
918					tickerLoop(newSpeed);
919				});
920			}
921			// start the ticker loop
922			tickerLoop();
923		}
924
925		/**
926		 * Runs a continuous loop, news ticker-style
927		 */
928		var tickerLoop = function(resumeSpeed){
929			speed = resumeSpeed ? resumeSpeed : slider.settings.speed;
930			var position = {left: 0, top: 0};
931			var reset = {left: 0, top: 0};
932			// if "next" animate left position to last child, then reset left to 0
933			if(slider.settings.autoDirection == 'next'){
934				position = el.find('.bx-clone').first().position();
935			// if "prev" animate left position to 0, then reset left to first non-clone child
936			}else{
937				reset = slider.children.first().position();
938			}
939			var animateProperty = slider.settings.mode == 'horizontal' ? -position.left : -position.top;
940			var resetValue = slider.settings.mode == 'horizontal' ? -reset.left : -reset.top;
941			var params = {resetValue: resetValue};
942			setPositionProperty(animateProperty, 'ticker', speed, params);
943		}
944
945		/**
946		 * Initializes touch events
947		 */
948		var initTouch = function(){
949			// initialize object to contain all touch values
950			slider.touch = {
951				start: {x: 0, y: 0},
952				end: {x: 0, y: 0}
953			}
954			slider.viewport.bind('touchstart', onTouchStart);
955		}
956
957		/**
958		 * Event handler for "touchstart"
959		 *
960		 * @param e (event)
961		 *  - DOM event object
962		 */
963		var onTouchStart = function(e){
964			if(slider.working){
965				e.preventDefault();
966			}else{
967				// record the original position when touch starts
968				slider.touch.originalPos = el.position();
969				var orig = e.originalEvent;
970				// record the starting touch x, y coordinates
971				slider.touch.start.x = orig.changedTouches[0].pageX;
972				slider.touch.start.y = orig.changedTouches[0].pageY;
973				// bind a "touchmove" event to the viewport
974				slider.viewport.bind('touchmove', onTouchMove);
975				// bind a "touchend" event to the viewport
976				slider.viewport.bind('touchend', onTouchEnd);
977			}
978		}
979
980		/**
981		 * Event handler for "touchmove"
982		 *
983		 * @param e (event)
984		 *  - DOM event object
985		 */
986		var onTouchMove = function(e){
987			var orig = e.originalEvent;
988			// if scrolling on y axis, do not prevent default
989			var xMovement = Math.abs(orig.changedTouches[0].pageX - slider.touch.start.x);
990			var yMovement = Math.abs(orig.changedTouches[0].pageY - slider.touch.start.y);
991			// x axis swipe
992			if((xMovement * 3) > yMovement && slider.settings.preventDefaultSwipeX){
993				e.preventDefault();
994			// y axis swipe
995			}else if((yMovement * 3) > xMovement && slider.settings.preventDefaultSwipeY){
996				e.preventDefault();
997			}
998			if(slider.settings.mode != 'fade' && slider.settings.oneToOneTouch){
999				var value = 0;
1000				// if horizontal, drag along x axis
1001				if(slider.settings.mode == 'horizontal'){
1002					var change = orig.changedTouches[0].pageX - slider.touch.start.x;
1003					value = slider.touch.originalPos.left + change;
1004				// if vertical, drag along y axis
1005				}else{
1006					var change = orig.changedTouches[0].pageY - slider.touch.start.y;
1007					value = slider.touch.originalPos.top + change;
1008				}
1009				setPositionProperty(value, 'reset', 0);
1010			}
1011		}
1012
1013		/**
1014		 * Event handler for "touchend"
1015		 *
1016		 * @param e (event)
1017		 *  - DOM event object
1018		 */
1019		var onTouchEnd = function(e){
1020			slider.viewport.unbind('touchmove', onTouchMove);
1021			var orig = e.originalEvent;
1022			var value = 0;
1023			// record end x, y positions
1024			slider.touch.end.x = orig.changedTouches[0].pageX;
1025			slider.touch.end.y = orig.changedTouches[0].pageY;
1026			// if fade mode, check if absolute x distance clears the threshold
1027			if(slider.settings.mode == 'fade'){
1028				var distance = Math.abs(slider.touch.start.x - slider.touch.end.x);
1029				if(distance >= slider.settings.swipeThreshold){
1030					slider.touch.start.x > slider.touch.end.x ? el.goToNextSlide() : el.goToPrevSlide();
1031					el.stopAuto();
1032				}
1033			// not fade mode
1034			}else{
1035				var distance = 0;
1036				// calculate distance and el's animate property
1037				if(slider.settings.mode == 'horizontal'){
1038					distance = slider.touch.end.x - slider.touch.start.x;
1039					value = slider.touch.originalPos.left;
1040				}else{
1041					distance = slider.touch.end.y - slider.touch.start.y;
1042					value = slider.touch.originalPos.top;
1043				}
1044				// if not infinite loop and first / last slide, do not attempt a slide transition
1045				if(!slider.settings.infiniteLoop && ((slider.active.index == 0 && distance > 0) || (slider.active.last && distance < 0))){
1046					setPositionProperty(value, 'reset', 200);
1047				}else{
1048					// check if distance clears threshold
1049					if(Math.abs(distance) >= slider.settings.swipeThreshold){
1050						distance < 0 ? el.goToNextSlide() : el.goToPrevSlide();
1051						el.stopAuto();
1052					}else{
1053						// el.animate(property, 200);
1054						setPositionProperty(value, 'reset', 200);
1055					}
1056				}
1057			}
1058			slider.viewport.unbind('touchend', onTouchEnd);
1059		}
1060
1061		/**
1062		 * Window resize event callback
1063		 */
1064		var resizeWindow = function(e){
1065			// get the new window dimens (again, thank you IE)
1066			var windowWidthNew = $(window).width();
1067			var windowHeightNew = $(window).height();
1068			// make sure that it is a true window resize
1069			// *we must check this because our dinosaur friend IE fires a window resize event when certain DOM elements
1070			// are resized. Can you just die already?*
1071			if(windowWidth != windowWidthNew || windowHeight != windowHeightNew){
1072				// set the new window dimens
1073				windowWidth = windowWidthNew;
1074				windowHeight = windowHeightNew;
1075				// update all dynamic elements
1076				el.redrawSlider();
1077			}
1078		}
1079
1080		/**
1081		 * ===================================================================================
1082		 * = PUBLIC FUNCTIONS
1083		 * ===================================================================================
1084		 */
1085
1086		/**
1087		 * Performs slide transition to the specified slide
1088		 *
1089		 * @param slideIndex (int)
1090		 *  - the destination slide's index (zero-based)
1091		 *
1092		 * @param direction (string)
1093		 *  - INTERNAL USE ONLY - the direction of travel ("prev" / "next")
1094		 */
1095		el.goToSlide = function(slideIndex, direction){
1096			// if plugin is currently in motion, ignore request
1097			if(slider.working || slider.active.index == slideIndex) return;
1098			// declare that plugin is in motion
1099			slider.working = true;
1100			// store the old index
1101			slider.oldIndex = slider.active.index;
1102			// if slideIndex is less than zero, set active index to last child (this happens during infinite loop)
1103			if(slideIndex < 0){
1104				slider.active.index = getPagerQty() - 1;
1105			// if slideIndex is greater than children length, set active index to 0 (this happens during infinite loop)
1106			}else if(slideIndex >= getPagerQty()){
1107				slider.active.index = 0;
1108			// set active index to requested slide
1109			}else{
1110				slider.active.index = slideIndex;
1111			}
1112			// onSlideBefore, onSlideNext, onSlidePrev callbacks
1113			slider.settings.onSlideBefore(slider.children.eq(slider.active.index), slider.oldIndex, slider.active.index);
1114			if(direction == 'next'){
1115				slider.settings.onSlideNext(slider.children.eq(slider.active.index), slider.oldIndex, slider.active.index);
1116			}else if(direction == 'prev'){
1117				slider.settings.onSlidePrev(slider.children.eq(slider.active.index), slider.oldIndex, slider.active.index);
1118			}
1119			// check if last slide
1120			slider.active.last = slider.active.index >= getPagerQty() - 1;
1121			// update the pager with active class
1122			if(slider.settings.pager) updatePagerActive(slider.active.index);
1123			// // check for direction control update
1124			if(slider.settings.controls) updateDirectionControls();
1125			// if slider is set to mode: "fade"
1126			if(slider.settings.mode == 'fade'){
1127				// if adaptiveHeight is true and next height is different from current height, animate to the new height
1128				if(slider.settings.adaptiveHeight && slider.viewport.height() != getViewportHe
1128ight()){
1129					slider.viewport.animate({height: getViewportHeight()}, slider.settings.adaptiveHeightSpeed);
1130				}
1131				// fade out the visible child and reset its z-index value
1132				slider.children.filter(':visible').fadeOut(slider.settings.speed).css({zIndex: 0});
1133				// fade in the newly requested slide
1134				slider.children.eq(slider.active.index).css('zIndex', 51).fadeIn(slider.settings.speed, function(){
1135					$(this).css('zIndex', 50);
1136					updateAfterSlideTransition();
1137				});
1138			// slider mode is not "fade"
1139			}else{
1140				// if adaptiveHeight is true and next height is different from current height, animate to the new height
1141				if(slider.settings.adaptiveHeight && slider.viewport.height() != getViewportHeight()){
1142					slider.viewport.animate({height: getViewportHeight()}, slider.settings.adaptiveHeightSpeed);
1143				}
1144				var moveBy = 0;
1145				var position = {left: 0, top: 0};
1146				// if carousel and not infinite loop
1147				if(!slider.settings.infiniteLoop && slider.carousel && slider.active.last){
1148					if(slider.settings.mode == 'horizontal'){
1149						// get the last child position
1150						var lastChild = slider.children.eq(slider.children.length - 1);
1151						position = lastChild.position();
1152						// calculate the position of the last slide
1153						moveBy = slider.viewport.width() - lastChild.outerWidth();
1154					}else{
1155						// get last showing index position
1156						var lastShowingIndex = slider.children.length - slider.settings.minSlides;
1157						position = slider.children.eq(lastShowingIndex).position();
1158					}
1159					// horizontal carousel, going previous while on first slide (infiniteLoop mode)
1160				}else if(slider.carousel && slider.active.last && direction == 'prev'){
1161					// get the last child position
1162					var eq = slider.settings.moveSlides == 1 ? slider.settings.maxSlides - getMoveBy() : ((getPagerQty() - 1) * getMoveBy()) - (slider.children.length - slider.settings.maxSlides);
1163					var lastChild = el.children('.bx-clone').eq(eq);
1164					position = lastChild.position();
1165				// if infinite loop and "Next" is clicked on the last slide
1166				}else if(direction == 'next' && slider.active.index == 0){
1167					// get the last clone position
1168					position = el.find('> .bx-clone').eq(slider.settings.maxSlides).position();
1169					slider.active.last = false;
1170				// normal non-zero requests
1171				}else if(slideIndex >= 0){
1172					var requestEl = slideIndex * getMoveBy();
1173					position = slider.children.eq(requestEl).position();
1174				}
1175
1176				/* If the position doesn't exist
1177				 * (e.g. if you destroy the slider on a next click),
1178				 * it doesn't throw an error.
1179				 */
1180				if ("undefined" !== typeof(position)) {
1181					var value = slider.settings.mode == 'horizontal' ? -(position.left - moveBy) : -position.top;
1182					// plugin values to be animated
1183					setPositionProperty(value, 'slide', slider.settings.speed);
1184				}
1185			}
1186		}
1187
1188		/**
1189		 * Transitions to the next slide in the show
1190		 */
1191		el.goToNextSlide = function(){
1192			// if infiniteLoop is false and last page is showing, disregard call
1193			if (!slider.settings.infiniteLoop && slider.active.last) return;
1194			var pagerIndex = parseInt(slider.active.index) + 1;
1195			el.goToSlide(pagerIndex, 'next');
1196		}
1197
1198		/**
1199		 * Transitions to the prev slide in the show
1200		 */
1201		el.goToPrevSlide = function(){
1202			// if infiniteLoop is false and last page is showing, disregard call
1203			if (!slider.settings.infiniteLoop && slider.active.index == 0) return;
1204			var pagerIndex = parseInt(slider.active.index) - 1;
1205			el.goToSlide(pagerIndex, 'prev');
1206		}
1207
1208		/**
1209		 * Starts the auto show
1210		 *
1211		 * @param preventControlUpdate (boolean)
1212		 *  - if true, auto controls state will not be updated
1213		 */
1214		el.startAuto = function(preventControlUpdate){
1215			// if an interval already exists, disregard call
1216			if(slider.interval) return;
1217			// create an interval
1218			slider.interval = setInterval(function(){
1219				slider.settings.autoDirection == 'next' ? el.goToNextSlide() : el.goToPrevSlide();
1220			}, slider.settings.pause);
1221			// if auto controls are displayed and preventControlUpdate is not true
1222			if (slider.settings.autoControls && preventControlUpdate != true) updateAutoControls('stop');
1223		}
1224
1225		/**
1226		 * Stops the auto show
1227		 *
1228		 * @param preventControlUpdate (boolean)
1229		 *  - if true, auto controls state will not be updated
1230		 */
1231		el.stopAuto = function(preventControlUpdate){
1232			// if no interval exists, disregard call
1233			if(!slider.interval) return;
1234			// clear the interval
1235			clearInterval(slider.interval);
1236			slider.interval = null;
1237			// if auto controls are displayed and preventControlUpdate is not true
1238			if (slider.settings.autoControls && preventControlUpdate != true) updateAutoControls('start');
1239		}
1240
1241		/**
1242		 * Returns current slide index (zero-based)
1243		 */
1244		el.getCurrentSlide = function(){
1245			return slider.active.index;
1246		}
1247
1248		/**
1249		 * Returns number of slides in show
1250		 */
1251		el.getSlideCount = function(){
1252			return slider.children.length;
1253		}
1254
1255		/**
1256		 * Update all dynamic slider elements
1257		 */
1258		el.redrawSlider = function(){
1259			// resize all children in ratio to new screen size
1260			slider.children.add(el.find('.bx-clone')).outerWidth(getSlideWidth());
1261			// adjust the height
1262			slider.viewport.css('height', getViewportHeight());
1263			// update the slide position
1264			if(!slider.settings.ticker) setSlidePosition();
1265			// if active.last was true before the screen resize, we want
1266			// to keep it last no matter what screen size we end on
1267			if (slider.active.last) slider.active.index = getPagerQty() - 1;
1268			// if the active index (page) no longer exists due to the resize, simply set the index as last
1269			if (slider.active.index >= getPagerQty()) slider.active.last = true;
1270			// if a pager is being displayed and a custom pager is not being used, update it
1271			if(slider.settings.pager && !slider.settings.pagerCustom){
1272				populatePager();
1273				updatePagerActive(slider.active.index);
1274			}
1275		}
1276
1277		/**
1278		 * Destroy the current instance of the slider (revert everything back to original state)
1279		 */
1280		el.destroySlider = function(){
1281			// don't do anything if slider has already been destroyed
1282			if(!slider.initialized) return;
1283			slider.initialized = false;
1284			$('.bx-clone', this).remove();
1285			slider.children.each(function() {
1286				$(this).data("origStyle") != undefined ? $(this).attr("style", $(this).data("origStyle")) : $(this).removeAttr('style');
1287			});
1288			$(this).data("origStyle") != undefined ? this.attr("style", $(this).data("origStyle")) : $(this).removeAttr('style');
1289			$(this).unwrap().unwrap();
1290			if(slider.controls.el) slider.controls.el.remove();
1291			if(slider.controls.next) slider.controls.next.remove();
1292			if(slider.controls.prev) slider.controls.prev.remove();
1293			if(slider.pagerEl) slider.pagerEl.remove();
1294			$('.bx-caption', this).remove();
1295			if(slider.controls.autoEl) slider.controls.autoEl.remove();
1296			clearInterval(slider.interval);
1297			if(slider.settings.responsive) $(window).unbind('resize', resizeWindow);
1298		}
1299
1300		/**
1301		 * Reload the slider (revert all DOM changes, and re-initialize)
1302		 */
1303		el.reloadSlider = function(settings){
1304			if (settings != undefined) options = settings;
1305			el.destroySlider();
1306			init();
1307		}
1308
1309		init();
1310
1311		// returns the current jQuery object
1312		return this;
1313	}
1314
1315})(jQuery);

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