/*
 * jqModal - Minimalist Modaling with jQuery
 *   (http://dev.iceburg.net/jquery/jqModal/)
 *
 * Copyright (c) 2007,2008 Brice Burgess <bhb@iceburg.net>
 * Dual licensed under the MIT and GPL licenses:
 *   http://www.opensource.org/licenses/mit-license.php
 *   http://www.gnu.org/licenses/gpl.html
 * 
 * $Version: 03/01/2009 +r14
 */
(function($) {
$.fn.jqm=function(o){
var p={
overlay: 50,
overlayClass: 'jqmOverlay',
closeClass: 'jqmClose',
trigger: '.jqModal',
ajax: F,
ajaxText: '',
target: F,
modal: F,
toTop: F,
onShow: F,
onHide: F,
onLoad: F
};
return this.each(function(){if(this._jqm)return H[this._jqm].c=$.extend({},H[this._jqm].c,o);s++;this._jqm=s;
H[s]={c:$.extend(p,$.jqm.params,o),a:F,w:$(this).addClass('jqmID'+s),s:s};
if(p.trigger)$(this).jqmAddTrigger(p.trigger);
});};

$.fn.jqmAddClose=function(e){return hs(this,e,'jqmHide');};
$.fn.jqmAddTrigger=function(e){return hs(this,e,'jqmShow');};
$.fn.jqmShow=function(t){return this.each(function(){t=t||window.event;$.jqm.open(this._jqm,t);});};
$.fn.jqmHide=function(t){return this.each(function(){t=t||window.event;$.jqm.close(this._jqm,t)});};

$.jqm = {
hash:{},
open:function(s,t){var h=H[s],c=h.c,cc='.'+c.closeClass,z=(parseInt(h.w.css('z-index'))),z=(z>0)?z:3000,o=$('<div></div>').css({height:'100%',width:'100%',position:'fixed',left:0,top:0,'z-index':z-1,opacity:c.overlay/100});if(h.a)return F;h.t=t;h.a=true;h.w.css('z-index',z);
 if(c.modal) {if(!A[0])L('bind');A.push(s);}
 else if(c.overlay > 0)h.w.jqmAddClose(o);
 else o=F;

 h.o=(o)?o.addClass(c.overlayClass).prependTo('body'):F;
 if(ie6){$('html,body').css({height:'100%',width:'100%'});if(o){o=o.css({position:'absolute'})[0];for(var y in {Top:1,Left:1})o.style.setExpression(y.toLowerCase(),"(_=(document.documentElement.scroll"+y+" || document.body.scroll"+y+"))+'px'");}}

 if(c.ajax) {var r=c.target||h.w,u=c.ajax,r=(typeof r == 'string')?$(r,h.w):$(r),u=(u.substr(0,1) == '@')?$(t).attr(u.substring(1)):u;
  r.html(c.ajaxText).load(u,function(){if(c.onLoad)c.onLoad.call(this,h);if(cc)h.w.jqmAddClose($(cc,h.w));e(h);});}
 else if(cc)h.w.jqmAddClose($(cc,h.w));

 if(c.toTop&&h.o)h.w.before('<span id="jqmP'+h.w[0]._jqm+'"></span>').insertAfter(h.o);	
 (c.onShow)?c.onShow(h):h.w.show();e(h);return F;
},
close:function(s){var h=H[s];if(!h.a)return F;h.a=F;
 if(A[0]){A.pop();if(!A[0])L('unbind');}
 if(h.c.toTop&&h.o)$('#jqmP'+h.w[0]._jqm).after(h.w).remove();
 if(h.c.onHide)h.c.onHide(h);else{h.w.hide();if(h.o)h.o.remove();} return F;
},
params:{}};
var s=0,H=$.jqm.hash,A=[],ie6=$.browser.msie&&($.browser.version == "6.0"),F=false,
i=$('<iframe src="javascript:false;document.write(\'\');" class="jqm"></iframe>').css({opacity:0}),
e=function(h){if(ie6)if(h.o)h.o.html('<p style="width:100%;height:100%"/>').prepend(i);else if(!$('iframe.jqm',h.w)[0])h.w.prepend(i); f(h);},
f=function(h){try{$(':input:visible',h.w)[0].focus();}catch(_){}},
L=function(t){$()[t]("keypress",m)[t]("keydown",m)[t]("mousedown",m);},
m=function(e){var h=H[A[A.length-1]],r=(!$(e.target).parents('.jqmID'+h.s)[0]);if(r)f(h);return !r;},
hs=function(w,t,c){return w.each(function(){var s=this._jqm;$(t).each(function() {
 if(!this[c]){this[c]=[];$(this).click(function(){for(var i in {jqmShow:1,jqmHide:1})for(var s in this[i])if(H[this[i][s]])H[this[i][s]].w[i](this);return F;});}this[c].push(s);});});};
})(jQuery);

(function($){$.ajaxSettings.accepts._default="text/javascript, text/html, application/xml, text/xml, */*"})(jQuery);(function($){$.fn.reset=function(){return this.each(function(){if(typeof this.reset=="function"||(typeof this.reset=="object"&&!this.reset.nodeType)){this.reset()}})};$.fn.enable=function(){return this.each(function(){this.disabled=false})};$.fn.disable=function(){return this.each(function(){this.disabled=true})}})(jQuery);(function($){$.extend({fieldEvent:function(el,obs){var field=el[0]||el,e="change";if(field.type=="radio"||field.type=="checkbox"){e="click"}else{if(obs&&(field.type=="text"||field.type=="textarea"||field.type=="password")){e="keyup"}}return e}});$.fn.extend({delayedObserver:function(delay,callback){var el=$(this);if(typeof window.delayedObserverStack=="undefined"){window.delayedObserverStack=[]}if(typeof window.delayedObserverCallback=="undefined"){window.delayedObserverCallback=function(stackPos){var observed=window.delayedObserverStack[stackPos];if(observed.timer){clearTimeout(observed.timer)}observed.timer=setTimeout(function(){observed.timer=null;observed.callback(observed.obj,observed.obj.formVal())},observed.delay*1000);observed.oldVal=observed.obj.formVal()}}window.delayedObserverStack.push({obj:el,timer:null,delay:delay,oldVal:el.formVal(),callback:callback});var stackPos=window.delayedObserverStack.length-1;if(el[0].tagName=="FORM"){$(":input",el).each(function(){var field=$(this);field.bind($.fieldEvent(field,delay),function(){var observed=window.delayedObserverStack[stackPos];if(observed.obj.formVal()==observed.oldVal){return}else{window.delayedObserverCallback(stackPos)}})})}else{el.bind($.fieldEvent(el,delay),function(){var observed=window.delayedObserverStack[stackPos];if(observed.obj.formVal()==observed.oldVal){return}else{window.delayedObserverCallback(stackPos)}})}},formVal:function(){var el=this[0];if(el.tagName=="FORM"){return this.serialize()}if(el.type=="checkbox"||el.type=="radio"){return this.filter("input:checked").val()||""}else{return this.val()}}})})(jQuery);(function($){$.fn.extend({visualEffect:function(o,options){if(options){speed=options.duration*1000}else{speed=null}e=o.replace(/\_(.)/g,function(m,l){return l.toUpperCase()});return eval("$(this)."+e+"("+speed+")")},appear:function(speed,callback){return this.fadeIn(speed,callback)},blindDown:function(speed,callback){return this.show("blind",{direction:"vertical"},speed,callback)},blindUp:function(speed,callback){return this.hide("blind",{direction:"vertical"},speed,callback)},blindRight:function(speed,callback){return this.show("blind",{direction:"horizontal"},speed,callback)},blindLeft:function(speed,callback){this.hide("blind",{direction:"horizontal"},speed,callback);return this},dropOut:function(speed,callback){return this.hide("drop",{direction:"down"},speed,callback)},dropIn:function(speed,callback){return this.show("drop",{direction:"up"},speed,callback)},fade:function(speed,callback){return this.fadeOut(speed,callback)},fadeToggle:function(speed,callback){return this.animate({opacity:"toggle"},speed,callback)},fold:function(speed,callback){return this.hide("fold",{},speed,callback)},foldOut:function(speed,callback){return this.show("fold",{},speed,callback)},grow:function(speed,callback){return this.show("scale",{},speed,callback)},highlight:function(speed,callback){return this.show("highlight",{},speed,callback)},puff:function(speed,callback){return this.hide("puff",{},speed,callback)},pulsate:function(speed,callback){return this.show("pulsate",{},speed,callback)},shake:function(speed,callback){return this.show("shake",{},speed,callback)},shrink:function(speed,callback){return this.hide("scale",{},speed,callback)},squish:function(speed,callback){return this.hide("scale",{origin:["top","left"]},speed,callback)},slideUp:function(speed,callback){return this.hide("slide",{direction:"up"},speed,callback)},slideDown:function(speed,callback){return this.show("slide",{direction:"up"},speed,callback)},switchOff:function(speed,callback){return this.hide("clip",{},speed,callback)},switchOn:function(speed,callback){return this.show("clip",{},speed,callback)}})})(jQuery);

/**
 * jQuery lightBox plugin
 * This jQuery plugin was inspired and based on Lightbox 2 by Lokesh Dhakar (http://www.huddletogether.com/projects/lightbox2/)
 * and adapted to me for use like a plugin from jQuery.
 * @name jquery-lightbox-0.5.js
 * @author Leandro Vieira Pinho - http://leandrovieira.com
 * @version 0.5
 * @date April 11, 2008
 * @category jQuery plugin
 * @copyright (c) 2008 Leandro Vieira Pinho (leandrovieira.com)
 * @license CC Attribution-No Derivative Works 2.5 Brazil - http://creativecommons.org/licenses/by-nd/2.5/br/deed.en_US
 * @example Visit http://leandrovieira.com/projects/jquery/lightbox/ for more informations about this jQuery plugin
 */
(function($){$.fn.lightBox=function(settings){settings=jQuery.extend({show_numbers:false,overlayBgColor:'#000',overlayOpacity:0.8,fixedNavigation:false,imageLoading:'/images/lightbox-ico-loading.gif',imageBtnPrev:'images/lightbox-btn-prev.gif',imageBtnNext:'images/lightbox-btn-next.gif',imageBtnClose:'/images/lightbox-btn-close.gif',imageBlank:'images/lightbox-blank.gif',containerBorderSize:10,containerResizeSpeed:400,txtImage:'Image',txtOf:'of',keyToClose:'c',imageArray:[],activeImage:0},settings);var jQueryMatchedObj=this;function _initialize(){_start(this,jQueryMatchedObj);return false;}
function _start(objClicked,jQueryMatchedObj){$('embed, object, select').css({'visibility':'hidden'});_set_interface();settings.imageArray.length=0;settings.activeImage=0;if(jQueryMatchedObj.length==1){settings.imageArray.push(new Array(objClicked.getAttribute('href'),objClicked.getAttribute('title')));}else{for(var i=0;i<jQueryMatchedObj.length;i++){settings.imageArray.push(new Array(jQueryMatchedObj[i].getAttribute('href'),jQueryMatchedObj[i].getAttribute('title')));}}
while(settings.imageArray[settings.activeImage][0]!=objClicked.getAttribute('href')){settings.activeImage++;}
_set_image_to_view();}
function _set_interface(){$('body').append('<div id="jquery-overlay"></div><div id="jquery-lightbox"><div id="lightbox-container-image-box"><div id="lightbox-container-image"><img id="lightbox-image"><div style="" id="lightbox-nav"><a href="#" id="lightbox-nav-btnPrev"></a><a href="#" id="lightbox-nav-btnNext"></a></div><div id="lightbox-loading"><a href="#" id="lightbox-loading-link"><img src="'+settings.imageLoading+'"></a></div></div></div><div id="lightbox-container-image-data-box"><div id="lightbox-container-image-data"><div id="lightbox-image-details"><span id="lightbox-image-details-caption"></span><span id="lightbox-image-details-currentNumber"></span></div><div id="lightbox-secNav"><a href="#" id="lightbox-secNav-btnClose"><img src="'+settings.imageBtnClose+'"></a></div></div></div></div>');var arrPageSizes=___getPageSize();$('#jquery-overlay').css({backgroundColor:settings.overlayBgColor,opacity:settings.overlayOpacity,width:arrPageSizes[0],height:arrPageSizes[1]}).fadeIn();var arrPageScroll=___getPageScroll();$('#jquery-lightbox').css({top:arrPageScroll[1]+(arrPageSizes[3]/10),left:arrPageScroll[0]}).show();$('#jquery-overlay,#jquery-lightbox').click(function(){_finish();});$('#lightbox-loading-link,#lightbox-secNav-btnClose').click(function(){_finish();return false;});$(window).resize(function(){var arrPageSizes=___getPageSize();$('#jquery-overlay').css({width:arrPageSizes[0],height:arrPageSizes[1]});var arrPageScroll=___getPageScroll();$('#jquery-lightbox').css({top:arrPageScroll[1]+(arrPageSizes[3]/10),left:arrPageScroll[0]});});}
function _set_image_to_view(){$('#lightbox-loading').show();if(settings.fixedNavigation){$('#lightbox-image,#lightbox-container-image-data-box,#lightbox-image-details-currentNumber').hide();}else{$('#lightbox-image,#lightbox-nav,#lightbox-nav-btnPrev,#lightbox-nav-btnNext,#lightbox-container-image-data-box,#lightbox-image-details-currentNumber').hide();}
var objImagePreloader=new Image();objImagePreloader.onload=function(){$('#lightbox-image').attr('src',settings.imageArray[settings.activeImage][0]);_resize_container_image_box(objImagePreloader.width,objImagePreloader.height);objImagePreloader.onload=function(){};};objImagePreloader.src=settings.imageArray[settings.activeImage][0];};function _resize_container_image_box(intImageWidth,intImageHeight){var intCurrentWidth=$('#lightbox-container-image-box').width();var intCurrentHeight=$('#lightbox-container-image-box').height();var intWidth=(intImageWidth+(settings.containerBorderSize*2));var intHeight=(intImageHeight+(settings.containerBorderSize*2));var intDiffW=intCurrentWidth-intWidth;var intDiffH=intCurrentHeight-intHeight;$('#lightbox-container-image-box').animate({width:intWidth,height:intHeight},settings.containerResizeSpeed,function(){_show_image();});if((intDiffW==0)&&(intDiffH==0)){if($.browser.msie){___pause(250);}else{___pause(100);}}
$('#lightbox-container-image-data-box').css({width:intImageWidth});$('#lightbox-nav-btnPrev,#lightbox-nav-btnNext').css({height:intImageHeight+(settings.containerBorderSize*2)});};function _show_image(){$('#lightbox-loading').hide();$('#lightbox-image').fadeIn(function(){_show_image_data();_set_navigation();});_preload_neighbor_images();};function _show_image_data(){$('#lightbox-container-image-data-box').show();$('#lightbox-image-details-caption').hide();if(settings.imageArray[settings.activeImage][1]){$('#lightbox-image-details-caption').html(settings.imageArray[settings.activeImage][1]).show();}
if(settings.imageArray.length>1 && settings.show_numbers){$('#lightbox-image-details-currentNumber').html(settings.txtImage+' '+(settings.activeImage+1)+' '+settings.txtOf+' '+settings.imageArray.length).show();}}
function _set_navigation(){$('#lightbox-nav').show();$('#lightbox-nav-btnPrev,#lightbox-nav-btnNext').css({'background':'transparent url('+settings.imageBlank+') no-repeat'});if(settings.activeImage!=0){if(settings.fixedNavigation){$('#lightbox-nav-btnPrev').css({'background':'url('+settings.imageBtnPrev+') left 15% no-repeat'}).unbind().bind('click',function(){settings.activeImage=settings.activeImage-1;_set_image_to_view();return false;});}else{$('#lightbox-nav-btnPrev').unbind().hover(function(){$(this).css({'background':'url('+settings.imageBtnPrev+') left 15% no-repeat'});},function(){$(this).css({'background':'transparent url('+settings.imageBlank+') no-repeat'});}).show().bind('click',function(){settings.activeImage=settings.activeImage-1;_set_image_to_view();return false;});}}
if(settings.activeImage!=(settings.imageArray.length-1)){if(settings.fixedNavigation){$('#lightbox-nav-btnNext').css({'background':'url('+settings.imageBtnNext+') right 15% no-repeat'}).unbind().bind('click',function(){settings.activeImage=settings.activeImage+1;_set_image_to_view();return false;});}else{$('#lightbox-nav-btnNext').unbind().hover(function(){$(this).css({'background':'url('+settings.imageBtnNext+') right 15% no-repeat'});},function(){$(this).css({'background':'transparent url('+settings.imageBlank+') no-repeat'});}).show().bind('click',function(){settings.activeImage=settings.activeImage+1;_set_image_to_view();return false;});}}
_enable_keyboard_navigation();}
function _enable_keyboard_navigation(){$(document).keydown(function(objEvent){_keyboard_action(objEvent);});}
function _disable_keyboard_navigation(){$(document).unbind();}
function _keyboard_action(objEvent){if(objEvent==null){keycode=event.keyCode;escapeKey=27;}else{keycode=objEvent.keyCode;escapeKey=objEvent.DOM_VK_ESCAPE;}
key=String.fromCharCode(keycode).toLowerCase();if((key==settings.keyToClose)||(key=='x')||(keycode==escapeKey)){_finish();}
}
function _preload_neighbor_images(){if((settings.imageArray.length-1)>settings.activeImage){objNext=new Image();objNext.src=settings.imageArray[settings.activeImage+1][0];}
if(settings.activeImage>0){objPrev=new Image();objPrev.src=settings.imageArray[settings.activeImage-1][0];}}
function _finish(){$('#jquery-lightbox').remove();$('#jquery-overlay').fadeOut(function(){$('#jquery-overlay').remove();});$('embed, object, select').css({'visibility':'visible'});}
function ___getPageSize(){var xScroll,yScroll;if(window.innerHeight&&window.scrollMaxY){xScroll=window.innerWidth+window.scrollMaxX;yScroll=window.innerHeight+window.scrollMaxY;}else if(document.body.scrollHeight>document.body.offsetHeight){xScroll=document.body.scrollWidth;yScroll=document.body.scrollHeight;}else{xScroll=document.body.offsetWidth;yScroll=document.body.offsetHeight;}
var windowWidth,windowHeight;if(self.innerHeight){if(document.documentElement.clientWidth){windowWidth=document.documentElement.clientWidth;}else{windowWidth=self.innerWidth;}
windowHeight=self.innerHeight;}else if(document.documentElement&&document.documentElement.clientHeight){windowWidth=document.documentElement.clientWidth;windowHeight=document.documentElement.clientHeight;}else if(document.body){windowWidth=document.body.clientWidth;windowHeight=document.body.clientHeight;}
if(yScroll<windowHeight){pageHeight=windowHeight;}else{pageHeight=yScroll;}
if(xScroll<windowWidth){pageWidth=xScroll;}else{pageWidth=windowWidth;}
arrayPageSize=new Array(pageWidth,pageHeight,windowWidth,windowHeight);return arrayPageSize;};function ___getPageScroll(){var xScroll,yScroll;if(self.pageYOffset){yScroll=self.pageYOffset;xScroll=self.pageXOffset;}else if(document.documentElement&&document.documentElement.scrollTop){yScroll=document.documentElement.scrollTop;xScroll=document.documentElement.scrollLeft;}else if(document.body){yScroll=document.body.scrollTop;xScroll=document.body.scrollLeft;}
arrayPageScroll=new Array(xScroll,yScroll);return arrayPageScroll;};function ___pause(ms){var date=new Date();curDate=null;do{var curDate=new Date();}
while(curDate-date<ms);};return this.unbind('click').click(_initialize);};})(jQuery);


function $() {
	var elements = new Array();
	for (var i = 0; i < arguments.length; i++) {
		var element = arguments[i];
		if (typeof element == 'string')
			element = document.getElementById(element);
		if (arguments.length == 1)
			return element;
		elements.push(element);
	}
	return elements;
}

function toggle(obj) {
	var el = $(obj);
	el.style.display = (el.style.display != 'none' ? 'none' : '' );
}

function toggleDisplay(chapter, question) {
  toggle('a_' + chapter + '_' + question);
}

jQuery(document).ready(function() {
  
    jQuery("a.lightBox").lightBox({overlayOpacity:0.5});

	var closable = jQuery("a.closable"); 
	closable.click(function(){
		var that = this;
		jQuery.each(closable, function(i, e){
			if (that != e)
				jQuery(e).removeClass("open").parent().next().hide();
		});
		jQuery(that).toggleClass("open").parent().next().toggle();
		return false;
	});
  if (jQuery("#evernoteVideo")) {
    jQuery("#evernoteVideo div.video").html(window.evernote_video_embed);
  }
  if (jQuery("#gaVideo")) {
    jQuery("#gaVideo div.video").html(window.ga_video_embed);
  }
    if (jQuery("#video")) {
      jQuery("#video div.video").html(window.embed_video_code);
      jQuery("#video").jqm();
      jQuery("a.watch-our-video").click(function(){
        jQuery("#video").jqmShow();
        return false;
      });
    }
});