From 9118fa551c30ecda1b0e78af6418284460822d75 Mon Sep 17 00:00:00 2001 From: Eric Bidelman Date: Tue, 10 Apr 2012 22:47:35 -0700 Subject: polyfills working for ios < 5 --- js/polyfills/bind.js | 3 +++ js/polyfills/classList.min.js | 2 ++ js/polyfills/dataset.min.js | 2 ++ js/polyfills/history.min.js | 1 + js/slides.js | 57 +++++++++++++++++++++++++++++++--------- js/touch.js | 61 +++++++++++++++++++++++++++++++++++++++++++ js/yepnope.1.5.3-min.js | 2 ++ 7 files changed, 115 insertions(+), 13 deletions(-) create mode 100644 js/polyfills/bind.js create mode 100644 js/polyfills/classList.min.js create mode 100644 js/polyfills/dataset.min.js create mode 100644 js/polyfills/history.min.js create mode 100644 js/touch.js create mode 100755 js/yepnope.1.5.3-min.js (limited to 'js') diff --git a/js/polyfills/bind.js b/js/polyfills/bind.js new file mode 100644 index 0000000..fe6bc0d --- /dev/null +++ b/js/polyfills/bind.js @@ -0,0 +1,3 @@ +// Function.bind polyfill for Safari < 5.1.4 and iOS. +// From https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Function/bind +Function.prototype.bind||(Function.prototype.bind=function(c){if("function"!==typeof this)throw new TypeError("Function.prototype.bind - binding an object that is not callable");var d=Array.prototype.slice.call(arguments,1),e=this,a=function(){},b=function(){return e.apply(this instanceof a?this:c||window,d.concat(Array.prototype.slice.call(arguments)))};a.prototype=this.prototype;b.prototype=new a;return b}); diff --git a/js/polyfills/classList.min.js b/js/polyfills/classList.min.js new file mode 100644 index 0000000..932c777 --- /dev/null +++ b/js/polyfills/classList.min.js @@ -0,0 +1,2 @@ +/* @source http://purl.eligrey.com/github/classList.js/blob/master/classList.js*/ +"use strict";if(typeof document!=="undefined"&&!("classList" in document.createElement("a"))){(function(a){var f="classList",d="prototype",e=(a.HTMLElement||a.Element)[d],g=Object;strTrim=String[d].trim||function(){return this.replace(/^\s+|\s+$/g,"")},arrIndexOf=Array[d].indexOf||function(k){for(var j=0,h=this.length;j")&&c[0]);return a>4?a:!1}();return a},m.isInternetExplorer=function(){var a=m.isInternetExplorer.cached=typeof m.isInternetExplorer.cached!="undefined"?m.isInternetExplorer.cached:Boolean(m.getInternetExplorerMajorVersion());return a},m.emulated={pushState:!Boolean(a.history&&a.history.pushState&&a.history.replaceState&&!/ Mobile\/([1-7][a-z]|(8([abcde]|f(1[0-8]))))/i.test(e.userAgent)&&!/AppleWebKit\/5([0-2]|3[0-2])/i.test(e.userAgent)),hashChange:Boolean(!("onhashchange"in a||"onhashchange"in d)||m.isInternetExplorer()&&m.getInternetExplorerMajorVersion()<8)},m.enabled=!m.emulated.pushState,m.bugs={setHash:Boolean(!m.emulated.pushState&&e.vendor==="Apple Computer, Inc."&&/AppleWebKit\/5([0-2]|3[0-3])/.test(e.userAgent)),safariPoll:Boolean(!m.emulated.pushState&&e.vendor==="Apple Computer, Inc."&&/AppleWebKit\/5([0-2]|3[0-3])/.test(e.userAgent)),ieDoubleCheck:Boolean(m.isInternetExplorer()&&m.getInternetExplorerMajorVersion()<8),hashEscape:Boolean(m.isInternetExplorer()&&m.getInternetExplorerMajorVersion()<7)},m.isEmptyObject=function(a){for(var b in a)return!1;return!0},m.cloneObject=function(a){var b,c;return a?(b=k.stringify(a),c=k.parse(b)):c={},c},m.getRootUrl=function(){var a=d.location.protocol+"//"+(d.location.hostname||d.location.host);if(d.location.port||!1)a+=":"+d.location.port;return a+="/",a},m.getBaseHref=function(){var a=d.getElementsByTagName("base"),b=null,c="";return a.length===1&&(b=a[0],c=b.href.replace(/[^\/]+$/,"")),c=c.replace(/\/+$/,""),c&&(c+="/"),c},m.getBaseUrl=function(){var a=m.getBaseHref()||m.getBasePageUrl()||m.getRootUrl();return a},m.getPageUrl=function(){var a=m.getState(!1,!1),b=(a||{}).url||d.location.href,c;return c=b.replace(/\/+$/,"").replace(/[^\/]+$/,function(a,b,c){return/\./.test(a)?a:a+"/"}),c},m.getBasePageUrl=function(){var a=d.location.href.replace(/[#\?].*/,"").replace(/[^\/]+$/,function(a,b,c){return/[^\/]$/.test(a)?"":a}).replace(/\/+$/,"")+"/";return a},m.getFullUrl=function(a,b){var c=a,d=a.substring(0,1);return b=typeof b=="undefined"?!0:b,/[a-z]+\:\/\//.test(a)||(d==="/"?c=m.getRootUrl()+a.replace(/^\/+/,""):d==="#"?c=m.getPageUrl().replace(/#.*/,"")+a:d==="?"?c=m.getPageUrl().replace(/[\?#].*/,"")+a:b?c=m.getBaseUrl()+a.replace(/^(\.\/)+/,""):c=m.getBasePageUrl()+a.replace(/^(\.\/)+/,"")),c.replace(/\#$/,"")},m.getShortUrl=function(a){var b=a,c=m.getBaseUrl(),d=m.getRootUrl();return m.emulated.pushState&&(b=b.replace(c,"")),b=b.replace(d,"/"),m.isTraditionalAnchor(b)&&(b="./"+b),b=b.replace(/^(\.\/)+/g,"./").replace(/\#$/,""),b},m.store={},m.idToState=m.idToState||{},m.stateToId=m.stateToId||{},m.urlToId=m.urlToId||{},m.storedStates=m.storedStates||[],m.savedStates=m.savedStates||[],m.normalizeStore=function(){m.store.idToState=m.store.idToState||{},m.store.urlToId=m.store.urlToId||{},m.store.stateToId=m.store.stateToId||{}},m.getState=function(a,b){typeof a=="undefined"&&(a=!0),typeof b=="undefined"&&(b=!0);var c=m.getLastSavedState();return!c&&b&&(c=m.createStateObject()),a&&(c=m.cloneObject(c),c.url=c.cleanUrl||c.url),c},m.getIdByState=function(a){var b=m.extractId(a.url),c;if(!b){c=m.getStateString(a);if(typeof m.stateToId[c]!="undefined")b=m.stateToId[c];else if(typeof m.store.stateToId[c]!="undefined")b=m.store.stateToId[c];else{for(;;){b=(new Date).getTime()+String(Math.random()).replace(/\D/g,"");if(typeof m.idToState[b]=="undefined"&&typeof m.store.idToState[b]=="undefined")break}m.stateToId[c]=b,m.idToState[b]=a}}return b},m.normalizeState=function(a){var b,c;if(!a||typeof a!="object")a={};if(typeof a.normalized!="undefined")return a;if(!a.data||typeof a.data!="object")a.data={};b={},b.normalized=!0,b.title=a.title||"",b.url=m.getFullUrl(m.unescapeString(a.url||d.location.href)),b.hash=m.getShortUrl(b.url),b.data=m.cloneObject(a.data),b.id=m.getIdByState(b),b.cleanUrl=b.url.replace(/\??\&_suid.*/,""),b.url=b.cleanUrl,c=!m.isEmptyObject(b.data);if(b.title||c)b.hash=m.getShortUrl(b.url).replace(/\??\&_suid.*/,""),/\?/.test(b.hash)||(b.hash+="?"),b.hash+="&_suid="+b.id;return b.hashedUrl=m.getFullUrl(b.hash),(m.emulated.pushState||m.bugs.safariPoll)&&m.hasUrlDuplicate(b)&&(b.url=b.hashedUrl),b},m.createStateObject=function(a,b,c){var d={data:a,title:b,url:c};return d=m.normalizeState(d),d},m.getStateById=function(a){a=String(a);var c=m.idToState[a]||m.store.idToState[a]||b;return c},m.getStateString=function(a){var b,c,d;return b=m.normalizeState(a),c={data:b.data,title:a.title,url:a.url},d=k.stringify(c),d},m.getStateId=function(a){var b,c;return b=m.normalizeState(a),c=b.id,c},m.getHashByState=function(a){var b,c;return b=m.normalizeState(a),c=b.hash,c},m.extractId=function(a){var b,c,d;return c=/(.*)\&_suid=([0-9]+)$/.exec(a),d=c?c[1]||a:a,b=c?String(c[2]||""):"",b||!1},m.isTraditionalAnchor=function(a){var b=!/[\/\?\.]/.test(a);return b},m.extractState=function(a,b){var c=null,d,e;return b=b||!1,d=m.extractId(a),d&&(c=m.getStateById(d)),c||(e=m.getFullUrl(a),d=m.getIdByUrl(e)||!1,d&&(c=m.getStateById(d)),!c&&b&&!m.isTraditionalAnchor(a)&&(c=m.createStateObject(null,null,e))),c},m.getIdByUrl=function(a){var c=m.urlToId[a]||m.store.urlToId[a]||b;return c},m.getLastSavedState=function(){return m.savedStates[m.savedStates.length-1]||b},m.getLastStoredState=function(){return m.storedStates[m.storedStates.length-1]||b},m.hasUrlDuplicate=function(a){var b=!1,c;return c=m.extractState(a.url),b=c&&c.id!==a.id,b},m.storeState=function(a){return m.urlToId[a.url]=a.id,m.storedStates.push(m.cloneObject(a)),a},m.isLastSavedState=function(a){var b=!1,c,d,e;return m.savedStates.length&&(c=a.id,d=m.getLastSavedState(),e=d.id,b=c===e),b},m.saveState=function(a){return m.isLastSavedState(a)?!1:(m.savedStates.push(m.cloneObject(a)),!0)},m.getStateByIndex=function(a){var b=null;return typeof a=="undefined"?b=m.savedStates[m.savedStates.length-1]:a<0?b=m.savedStates[m.savedStates.length+a]:b=m.savedStates[a],b},m.getHash=function(){var a=m.unescapeHash(d.location.hash);return a},m.unescapeString=function(b){var c=b,d;for(;;){d=a.unescape(c);if(d===c)break;c=d}return c},m.unescapeHash=function(a){var b=m.normalizeHash(a);return b=m.unescapeString(b),b},m.normalizeHash=function(a){var b=a.replace(/[^#]*#/,"").replace(/#.*/,"");return b},m.setHash=function(a,b){var c,e,f;return b!==!1&&m.busy()?(m.pushQueue({scope:m,callback:m.setHash,args:arguments,queue:b}),!1):(c=m.escapeHash(a),m.busy(!0),e=m.extractState(a,!0),e&&!m.emulated.pushState?m.pushState(e.data,e.title,e.url,!1):d.location.hash!==c&&(m.bugs.setHash?(f=m.getPageUrl(),m.pushState(null,null,f+"#"+c,!1)):d.location.hash=c),m)},m.escapeHash=function(b){var c=m.normalizeHash(b);return c=a.escape(c),m.bugs.hashEscape||(c=c.replace(/\%21/g,"!").replace(/\%26/g,"&").replace(/\%3D/g,"=").replace(/\%3F/g,"?")),c},m.getHashByUrl=function(a){var b=String(a).replace(/([^#]*)#?([^#]*)#?(.*)/,"$2");return b=m.unescapeHash(b),b},m.setTitle=function(a){var b=a.title,c;b||(c=m.getStateByIndex(0),c&&c.url===a.url&&(b=c.title||m.options.initialTitle));try{d.getElementsByTagName("title")[0].innerHTML=b.replace("<","<").replace(">",">").replace(" & "," & ")}catch(e){}return d.title=b,m},m.queues=[],m.busy=function(a){typeof a!="undefined"?m.busy.flag=a:typeof m.busy.flag=="undefined"&&(m.busy.flag=!1);if(!m.busy.flag){h(m.busy.timeout);var b=function(){var a,c,d;if(m.busy.flag)return;for(a=m.queues.length-1;a>=0;--a){c=m.queues[a];if(c.length===0)continue;d=c.shift(),m.fireQueueItem(d),m.busy.timeout=g(b,m.options.busyDelay)}};m.busy.timeout=g(b,m.options.busyDelay)}return m.busy.flag},m.busy.flag=!1,m.fireQueueItem=function(a){return a.callback.apply(a.scope||m,a.args||[])},m.pushQueue=function(a){return m.queues[a.queue||0]=m.queues[a.queue||0]||[],m.queues[a.queue||0].push(a),m},m.queue=function(a,b){return typeof a=="function"&&(a={callback:a}),typeof b!="undefined"&&(a.queue=b),m.busy()?m.pushQueue(a):m.fireQueueItem(a),m},m.clearQueue=function(){return m.busy.flag=!1,m.queues=[],m},m.stateChanged=!1,m.doubleChecker=!1,m.doubleCheckComplete=function(){return m.stateChanged=!0,m.doubleCheckClear(),m},m.doubleCheckClear=function(){return m.doubleChecker&&(h(m.doubleChecker),m.doubleChecker=!1),m},m.doubleCheck=function(a){return m.stateChanged=!1,m.doubleCheckClear(),m.bugs.ieDoubleCheck&&(m.doubleChecker=g(function(){return m.doubleCheckClear(),m.stateChanged||a(),!0},m.options.doubleCheckInterval)),m},m.safariStatePoll=function(){var b=m.extractState(d.location.href),c;if(!m.isLastSavedState(b))c=b;else return;return c||(c=m.createStateObject()),m.Adapter.trigger(a,"popstate"),m},m.back=function(a){return a!==!1&&m.busy()?(m.pushQueue({scope:m,callback:m.back,args:arguments,queue:a}),!1):(m.busy(!0),m.doubleCheck(function(){m.back(!1)}),n.go(-1),!0)},m.forward=function(a){return a!==!1&&m.busy()?(m.pushQueue({scope:m,callback:m.forward,args:arguments,queue:a}),!1):(m.busy(!0),m.doubleCheck(function(){m.forward(!1)}),n.go(1),!0)},m.go=function(a,b){var c;if(a>0)for(c=1;c<=a;++c)m.forward(b);else{if(!(a<0))throw new Error("History.go: History.go requires a positive or negative integer passed.");for(c=-1;c>=a;--c)m.back(b)}return m};if(m.emulated.pushState){var o=function(){};m.pushState=m.pushState||o,m.replaceState=m.replaceState||o}else m.onPopState=function(b,c){var e=!1,f=!1,g,h;return m.doubleCheckComplete(),g=m.getHash(),g?(h=m.extractState(g||d.location.href,!0),h?m.replaceState(h.data,h.title,h.url,!1):(m.Adapter.trigger(a,"anchorchange"),m.busy(!1)),m.expectedStateId=!1,!1):(e=m.Adapter.extractEventData("state",b,c)||!1,e?f=m.getStateById(e):m.expectedStateId?f=m.getStateById(m.expectedStateId):f=m.extractState(d.location.href),f||(f=m.createStateObject(null,null,d.location.href)),m.expectedStateId=!1,m.isLastSavedState(f)?(m.busy(!1),!1):(m.storeState(f),m.saveState(f),m.setTitle(f),m.Adapter.trigger(a,"statechange"),m.busy(!1),!0))},m.Adapter.bind(a,"popstate",m.onPopState),m.pushState=function(b,c,d,e){if(m.getHashByUrl(d)&&m.emulated.pushState)throw new Error("History.js does not support states with fragement-identifiers (hashes/anchors).");if(e!==!1&&m.busy())return m.pushQueue({scope:m,callback:m.pushState,args:arguments,queue:e}),!1;m.busy(!0);var f=m.createStateObject(b,c,d);return m.isLastSavedState(f)?m.busy(!1):(m.storeState(f),m.expectedStateId=f.id,n.pushState(f.id,f.title,f.url),m.Adapter.trigger(a,"popstate")),!0},m.replaceState=function(b,c,d,e){if(m.getHashByUrl(d)&&m.emulated.pushState)throw new Error("History.js does not support states with fragement-identifiers (hashes/anchors).");if(e!==!1&&m.busy())return m.pushQueue({scope:m,callback:m.replaceState,args:arguments,queue:e}),!1;m.busy(!0);var f=m.createStateObject(b,c,d);return m.isLastSavedState(f)?m.busy(!1):(m.storeState(f),m.expectedStateId=f.id,n.replaceState(f.id,f.title,f.url),m.Adapter.trigger(a,"popstate")),!0};if(f){try{m.store=k.parse(f.getItem("History.store"))||{}}catch(p){m.store={}}m.normalizeStore()}else m.store={},m.normalizeStore();m.Adapter.bind(a,"beforeunload",m.clearAllIntervals),m.Adapter.bind(a,"unload",m.clearAllIntervals),m.saveState(m.storeState(m.extractState(d.location.href,!0))),f&&(m.onUnload=function(){var a,b;try{a=k.parse(f.getItem("History.store"))||{}}catch(c){a={}}a.idToState=a.idToState||{},a.urlToId=a.urlToId||{},a.stateToId=a.stateToId||{};for(b in m.idToState){if(!m.idToState.hasOwnProperty(b))continue;a.idToState[b]=m.idToState[b]}for(b in m.urlToId){if(!m.urlToId.hasOwnProperty(b))continue;a.urlToId[b]=m.urlToId[b]}for(b in m.stateToId){if(!m.stateToId.hasOwnProperty(b))continue;a.stateToId[b]=m.stateToId[b]}m.store=a,m.normalizeStore(),f.setItem("History.store",k.stringify(a))},m.intervalList.push(i(m.onUnload,m.options.storeInterval)),m.Adapter.bind(a,"beforeunload",m.onUnload),m.Adapter.bind(a,"unload",m.onUnload));if(!m.emulated.pushState){m.bugs.safariPoll&&m.intervalList.push(i(m.safariStatePoll,m.options.safariPollInterval));if(e.vendor==="Apple Computer, Inc."||(e.appCodeName||"")==="Mozilla")m.Adapter.bind(a,"hashchange",function(){m.Adapter.trigger(a,"popstate")}),m.getHash()&&m.Adapter.onDomLoad(function(){m.Adapter.trigger(a,"hashchange")})}},m.init()})(window) \ No newline at end of file diff --git a/js/slides.js b/js/slides.js index 66aaa51..d1b094b 100644 --- a/js/slides.js +++ b/js/slides.js @@ -1,3 +1,8 @@ +// Function.bind polyfill for Safari < 5.1.4 and iOS. +// From https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Function/bind +Function.prototype.bind||(Function.prototype.bind=function(c){if("function"!==typeof this)throw new TypeError("Function.prototype.bind - binding an object that is not callable");var d=Array.prototype.slice.call(arguments,1),e=this,a=function(){},b=function(){return e.apply(this instanceof a?this:c||window,d.concat(Array.prototype.slice.call(arguments)))};a.prototype=this.prototype;b.prototype=new a;return b}); + + /** * @constructor */ @@ -9,8 +14,10 @@ function SlideDeck() { this.getCurrentSlideFromHash_(); - document.addEventListener('DOMContentLoaded', - this.onDomLoaded_.bind(this), false); + /*document.addEventListener('DOMContentLoaded', + this.onDomLoaded_.bind(this), false);*/ + // Introducing yepnopejs causes DOMContentLoaded before the deck is setup. + this.onDomLoaded_.bind(this)(); } /** @@ -42,7 +49,7 @@ SlideDeck.prototype.getCurrentSlideFromHash_ = function() { /** * @private */ -SlideDeck.prototype.onDomLoaded_ = function() { +SlideDeck.prototype.onDomLoaded_ = function(e) { this.slides_ = document.querySelectorAll('slide:not([hidden])'); // Load config. @@ -227,6 +234,23 @@ SlideDeck.prototype.loadConfig_ = function() { document.querySelector('[data-config-presenter]').innerHTML = html; } + + /* Clicking and tapping */ + var el = document.createElement('div'); + el.classList.add('slide-area'); + el.id = 'prev-slide-area'; + el.addEventListener('click', this.prevSlide.bind(this), false); + document.querySelector('slides').appendChild(el); + + var el = document.createElement('div'); + el.classList.add('slide-area'); + el.id = 'next-slide-area'; + el.addEventListener('click', this.nextSlide.bind(this), false); + document.querySelector('slides').appendChild(el); + + if (!!!('enableTouch' in settings) || settings.enableTouch) { + var toucher = new TouchManager(this); + } }; /** @@ -489,13 +513,6 @@ SlideDeck.prototype.makeBuildLists_ = function () { } } } - // // Setup Google Developer icon slide out bars. - // var bars = slide.querySelectorAll('.gdbar'); - // for (var j = 0, bar; bar = bars[j]; ++j) { - // if (bar.classList) { - // bar.classList.add('to-build'); - // } - // } } }; @@ -513,7 +530,8 @@ SlideDeck.prototype.updateHash_ = function(dontPush) { window.location.replace(hash); } - window['_gaq'] && window['_gaq'].push(['_trackPageview', document.location.href]); + window['_gaq'] && window['_gaq'].push(['_trackPageview', + document.location.href]); } }; @@ -575,5 +593,18 @@ SlideDeck.prototype.loadAnalytics_ = function() { })(); }; -// Create the slidedeck -var slidedeck = new SlideDeck(); + +// Polyfill missing APIs (if we need to), then create the slide deck. +// iOS < 5 needs all of these! #dislike +(function() { + var body = document.body; + + yepnope({ + test: !!body.classList && !!body.dataset, + nope: ['js/polyfills/classList.min.js', 'js/polyfills/dataset.min.js'], + complete: function() { + window.slidedeck = new SlideDeck(); + } + }); + +})(); diff --git a/js/touch.js b/js/touch.js new file mode 100644 index 0000000..e0519e6 --- /dev/null +++ b/js/touch.js @@ -0,0 +1,61 @@ +/* Touch events */ +(function(exports) { +var PM_TOUCH_SENSITIVITY = 15; +var touchDX; +var touchDY; +var touchStartX; +var touchStartY; + +function TouchManager(deck) { + this.deck_ = deck; + + /* Add swiping */ + document.body.addEventListener('touchstart', this.handleTouchStart.bind(this), false); + document.body.addEventListener('touchmove', this.handleTouchMove.bind(this), false); + document.body.addEventListener('touchend', this.handleTouchEnd.bind(this), false); +} + +TouchManager.prototype.handleTouchStart = function(e) { + if (e.touches.length == 1) { + touchDX = 0; + touchDY = 0; + + touchStartX = e.touches[0].pageX; + touchStartY = e.touches[0].pageY; + + } +}; + +TouchManager.prototype.handleTouchMove = function(e) { + if (e.touches.length > 1) { + //this.cancelTouch(); + } else { + touchDX = e.touches[0].pageX - touchStartX; + touchDY = e.touches[0].pageY - touchStartY; + } +}; + +TouchManager.prototype.handleTouchEnd = function(e) { + var dx = Math.abs(touchDX); + var dy = Math.abs(touchDY); + + if ((dx > PM_TOUCH_SENSITIVITY) && (dy < (dx * 2 / 3))) { + if (touchDX > 0) { + this.deck_.prevSlide(); + } else { + this.deck_.nextSlide(); + } + } + + //this.cancelTouch(); +}; + +// TouchManager.prototype.cancelTouch = function() { +// console.log(touchDX) +// document.body.removeEventListener('touchmove', this.handleTouchMove.bind(this), false); +// document.body.removeEventListener('touchend', this.handleTouchMove.bind(this), false); +// }; + +exports.TouchManager = TouchManager; + +})(window); diff --git a/js/yepnope.1.5.3-min.js b/js/yepnope.1.5.3-min.js new file mode 100755 index 0000000..5af59df --- /dev/null +++ b/js/yepnope.1.5.3-min.js @@ -0,0 +1,2 @@ +/*yepnope1.5.3|WTFPL*/ +(function(a,b,c){function d(a){return o.call(a)=="[object Function]"}function e(a){return typeof a=="string"}function f(){}function g(a){return!a||a=="loaded"||a=="complete"||a=="uninitialized"}function h(){var a=p.shift();q=1,a?a.t?m(function(){(a.t=="c"?B.injectCss:B.injectJs)(a.s,0,a.a,a.x,a.e,1)},0):(a(),h()):q=0}function i(a,c,d,e,f,i,j){function k(b){if(!o&&g(l.readyState)&&(u.r=o=1,!q&&h(),l.onload=l.onreadystatechange=null,b)){a!="img"&&m(function(){t.removeChild(l)},50);for(var d in y[c])y[c].hasOwnProperty(d)&&y[c][d].onload()}}var j=j||B.errorTimeout,l={},o=0,r=0,u={t:d,s:c,e:f,a:i,x:j};y[c]===1&&(r=1,y[c]=[],l=b.createElement(a)),a=="object"?l.data=c:(l.src=c,l.type=a),l.width=l.height="0",l.onerror=l.onload=l.onreadystatechange=function(){k.call(this,r)},p.splice(e,0,u),a!="img"&&(r||y[c]===2?(t.insertBefore(l,s?null:n),m(k,j)):y[c].push(l))}function j(a,b,c,d,f){return q=0,b=b||"j",e(a)?i(b=="c"?v:u,a,b,this.i++,c,d,f):(p.splice(this.i++,0,a),p.length==1&&h()),this}function k(){var a=B;return a.loader={load:j,i:0},a}var l=b.documentElement,m=a.setTimeout,n=b.getElementsByTagName("script")[0],o={}.toString,p=[],q=0,r="MozAppearance"in l.style,s=r&&!!b.createRange().compareNode,t=s?l:n.parentNode,l=a.opera&&o.call(a.opera)=="[object Opera]",l=!!b.attachEvent&&!l,u=r?"object":l?"script":"img",v=l?"script":u,w=Array.isArray||function(a){return o.call(a)=="[object Array]"},x=[],y={},z={timeout:function(a,b){return b.length&&(a.timeout=b[0]),a}},A,B;B=function(a){function b(a){var a=a.split("!"),b=x.length,c=a.pop(),d=a.length,c={url:c,origUrl:c,prefixes:a},e,f,g;for(f=0;f