$(document).ready(function(){var slider=new Lectric();slider.init('#slider',{next:'.next',previous:'.previous'});var scrubber=new Lectric();scrubber.init('#scrubber',{reverse:true});var scale=slider.itemWidth()/scrubber.itemWidth();slider.subscribe('slide',function(){scrubber.position.x=-slider.position.x/scale;scrubber.update({triggerSlide:false})});scrubber.subscribe('slide',function(){slider.position.x=-scrubber.position.x*scale;slider.update({triggerSlide:false})});$(document).keydown(function(e){if(e.keyCode===39){e.preventDefault();var previous=slider.page();slider.to(previous+1)}else if(e.keyCode===37){e.preventDefault();var previous=slider.page();slider.to(previous-1)}});var count=0;var timer=setInterval(function(){count=(count<slider.itemCount()-1)?count+1:0;slider.to(count)},5000);var clearIt=function(s,e){clearInterval(timer);slider.unsubscribe(e.type,e.handler)};slider.subscribe('start',clearIt);slider.subscribe('previousButton',clearIt);slider.subscribe('nextButton',clearIt)});$(document).ready(function(){$("#slider").hover(function(){$("#controls").fadeTo("fast",1.0)},function(){$("#controls").fadeTo("fast",0)})});$(document).ready(function(){if((navigator.userAgent.match(/iPhone/i))||(navigator.userAgent.match(/iPod/i))||(navigator.userAgent.match(/iPad/i))){}else{$(function(){$('.homework').each(function(){var distance=10;var time=250;var hideDelay=0;var hideDelayTimer=null;var beingShown=false;var shown=false;var trigger=$('a',this);var popup=$('.tooltip',this).css('opacity',0);$([trigger.get(0),popup.get(0)]).mouseover(function(){if(hideDelayTimer)clearTimeout(hideDelayTimer);if(beingShown||shown){return}else{beingShown=true;popup.css({top:-100,left:-33,display:'block'}).animate({top:'-='+distance+'px',opacity:1},time,'swing',function(){beingShown=false;shown=true})}}).mouseout(function(){if(hideDelayTimer)clearTimeout(hideDelayTimer);hideDelayTimer=setTimeout(function(){hideDelayTimer=null;popup.animate({top:'-='+distance+'px',opacity:0},time,'swing',function(){shown=false;popup.css('display','none')})},hideDelay)})})})}});(function(window){var ua=navigator.userAgent.toLowerCase();isWebkit=!!ua.match(/applewebkit/i);var supportsTouch=false;try{document.createEvent("TouchEvent");supportsTouch=true}catch(e){}var cssWithoutUnit=function(element,attribute){var measure=element.css(attribute);return(measure!==undefined)?parseInt(measure.replace('px',''),10):0};var Position=function(x,y){if(x&&x.hasOwnProperty('x')&&x.hasOwnProperty('y')){x=x.x;y=x.y}this.x=x;this.y=y};Position.prototype={difference:function(p){return new Position(p.x-this.x,p.y-this.y)}};var Lectric=function(){if(supportsTouch&&isWebkit){return new TouchSlider()}else{return new BaseSlider()}};var BaseSlider=function(){};BaseSlider.prototype.init=function(target,opts){this.opts=jQuery.extend({reverse:false,next:undefined,previous:undefined,itemWrapperClassName:'items',itemClassName:'item',limitLeft:false,limitRight:false,animateEasing:'swing',animateDuration:$.fx.speeds._default,hooks:{}},opts);this.position=new Position(0,0);this.startPosition=new Position(this.position);this.lastPosition=new Position(this.position);var element=$('<div/>',{className:this.opts.itemWrapperClassName});element.css('width','1000000px');var itemSelector='.'+this.opts.itemClassName;var itemWrapperSelector='.'+this.opts.itemWrapperClassName;$(target).css('overflow','hidden');$(target).find(itemSelector).css('float','left').wrapAll(element);$(target).addClass('lectric-slider');this.element=$(target).find(itemWrapperSelector);this.element.itemSelector=itemSelector;this.element.itemWrapperSelector=itemWrapperSelector;var self=this;var type=supportsTouch?'touchstart':'click';$(this.opts.next).bind(type,function(e){e.preventDefault();var page=self.page();self.to(page+1);self.element.trigger('nextButton.lectric')});$(this.opts.previous).bind(type,function(e){e.preventDefault();var page=self.page();self.to(page-1);self.element.trigger('previousButton.lectric')});if(supportsTouch){$(this.opts.next).click(function(e){e.preventDefault()});$(this.opts.previous).click(function(e){e.preventDefault()})}$.each(this.opts.hooks,function(name,fn){if($.isArray(fn)){$.each(fn,function(fn2){self.subscribe(name,fn2)})}else{self.subscribe(name,fn)}});this.element.trigger('init.lectric')};BaseSlider.prototype.update=function(opts){var options=jQuery.extend({animate:true,triggerSlide:true},opts);var self=this;var after=function(){self.element.trigger('animationEnd.lectric');$(this).dequeue()};if(options.animate){this.element.animate({left:this.position.x+'px'},this.opts.animateDuration,this.opts.animateEasing).queue(after)}else{this.element.css({left:this.position.x+'px'}).queue(after)}if(options.triggerSlide){this.element.trigger('slide.lectric')}};BaseSlider.prototype.subscribe=function(name,fn){var self=this;var callback=function(e){if(e.target==self.element[0]){fn(self,e)}};this.element.bind(name+'.lectric',callback);return callback};BaseSlider.prototype.bind=function(name,fn){this.subscribe(name,fn)};BaseSlider.prototype.unsubscribe=function(name,fn){if(typeof fn!==undefined&&$.isFunction(fn)){this.element.unbind(name+'.lectric',fn)}else{this.element.unbind(name+'.lectric')}};BaseSlider.prototype.unbind=function(name,fn){this.unsubscribe(name,fn)};BaseSlider.prototype.page=function(){return Math.abs(Math.round(this.position.x/this.itemWidth()))};BaseSlider.prototype.to=function(page){var previous=this.position.x;this.position.x=this.limitXBounds(this.xForPage(page));if(this.position.x!==previous){this.update()}};BaseSlider.prototype.toItem=function(item){var all=this.element.find(this.element.itemSelector);var i;var length=all.length;for(i=0;i<length;i++){if($(all[i])[0]==item[0]){this.to(i)}}};BaseSlider.prototype.xForPage=function(page){var flip=(this.opts.reverse)?1:-1;return flip*page*this.itemWidth()};BaseSlider.prototype.itemWidth=function(){var first=this.element.find(this.element.itemSelector).eq(0);var padding=cssWithoutUnit(first,'paddingRight')+cssWithoutUnit(first,'paddingLeft');return cssWithoutUnit(first,'marginRight')+padding+first.width()};BaseSlider.prototype.itemCount=function(){return this.element.find(this.element.itemSelector).size()};BaseSlider.prototype.limitXBounds=function(x){var itemWidth=this.itemWidth();var itemCount=this.itemCount();var totalWidth=itemWidth*itemCount;if(this.opts.reverse){x=(x>totalWidth-itemWidth)?totalWidth-itemWidth:x;x=(x<0)?0:x}else{x=(x<-totalWidth+itemWidth)?-totalWidth+itemWidth:x;x=(x>0)?0:x}if((this.position.x-x>0&&this.opts.limitRight)||(this.position.x-x<0&&this.opts.limitRight)){x=this.position.x}return x};var TouchSlider=function(){};TouchSlider.prototype=new BaseSlider();TouchSlider.superobject=BaseSlider.prototype;TouchSlider.prototype.init=function(target,opts){TouchSlider.superobject.init.call(this,target,opts);this.opts=$.extend({tossFunction:function(x,dx,dt){return x+dx*100/dt}},this.opts);$(target).addClass('lectric-slider-touch');this.gesturing=false;$(target)[0].addEventListener('touchstart',this,false);$(target)[0].addEventListener('webkitTransitionEnd',this,false)};TouchSlider.prototype.handleEvent=function(event){TouchEvents[event.type].call(this,event)};TouchSlider.prototype.update=function(opts){var options=jQuery.extend({animate:true,triggerSlide:true},opts);if(options.animate){this.decayOn()}this.element.css({'-webkit-transform':'translate3d('+this.position.x+'px, 0, 0)'});if(options.triggerSlide){this.element.trigger('slide.lectric')}};TouchSlider.prototype.decayOff=function(){this.element.css({'-webkit-transition-duration':'0s'});this.element.css({'-webkit-transition-property':'none'})};TouchSlider.prototype.decayOn=function(){var duration=this.opts.animateDuration;if(typeof duration==="number"){duration=duration/1000}else{if(duration in $.fx.speeds){duration=$.fx.speeds[duration]}else{duration=$.fx.speeds._default}}this.element.css({'-webkit-transition-duration':duration+'s'});this.element.css({'-webkit-transition-property':'-webkit-transform'})};var TouchEvents={click:function(e){if(this.moved){e.preventDefault()}this.element[0].removeEventListener('click',this,false);return false},touchstart:function(e){this.currentTarget=e.currentTarget;this.startPosition.x=e.touches[0].pageX-this.position.x;this.startPosition.y=e.touches[0].pageY-this.position.y;this.moved=false;window.addEventListener('gesturestart',this,false);window.addEventListener('gestureend',this,false);window.addEventListener('touchmove',this,false);window.addEventListener('touchend',this,false);this.element[0].addEventListener('click',this,false);this.decayOff();this.element.trigger('start.lectric')},touchmove:function(e){if(this.gesturing){return false}if(!this.moved){var deltaY=e.touches[0].pageY-this.startPosition.y;var deltaX=e.touches[0].pageX-this.startPosition.x;if(Math.abs(deltaY)<15){e.preventDefault()}this.element.trigger('firstSlide.lectric')}this.moved=true;this.lastPosition.x=this.position.x;this.lastPosition.y=this.position.y;this.lastMoveTime=new Date();this.position.x=this.limitXBounds(e.touches[0].pageX-this.startPosition.x);this.update({animate:false})},touchend:function(e){window.removeEventListener('gesturestart',this,false);window.removeEventListener('gestureend',this,false);window.removeEventListener('touchmove',this,false);window.removeEventListener('touchend',this,false);if(this.moved){var dx=this.position.x-this.lastPosition.x;var dt=(new Date())-this.lastMoveTime+1;var tossedX=this.limitXBounds(this.opts.tossFunction(this.position.x,dx,dt));var width=this.itemWidth();this.position.x=Math.round(this.position.x/width)*width;this.update();this.element.trigger('end.lectric')}else{this.element.trigger('endNoSlide.lectric')}this.currentTarget=undefined},gesturestart:function(e){this.gesturing=true},gestureend:function(e){this.gesturing=false},webkitTransitionEnd:function(e){this.element.trigger('animationEnd.lectric')}};Lectric.BaseSlider=BaseSlider;Lectric.TouchSlider=TouchSlider;window.Lectric=Lectric})(window);