76 lines
1.5 KiB
JavaScript
76 lines
1.5 KiB
JavaScript
var readyListAeo = [];
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function onReadyAeo(handler) {
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function executeHandlers() {
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for ( var i = 0; i < readyListAeo.length; i++) {
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readyListAeo[i]();
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}
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}
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if (!readyListAeo.length) { // set handler on first run
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bindReady(executeHandlers);
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}
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readyListAeo.push(handler);
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}
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function bindReady(handler) {
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var called = false;
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function ready() {
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if (called)
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return
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called = true;
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handler();
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}
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if (document.addEventListener) { // native event
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document.addEventListener("DOMContentLoaded", ready, false);
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} else if (document.attachEvent) { // IE
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try {
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var isFrame = window.frameElement != null;
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} catch (e) {
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}
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// IE, the document is not inside a frame
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if (document.documentElement.doScroll && !isFrame) {
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function tryScroll() {
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if (called)
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return;
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try {
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document.documentElement.doScroll("left");
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ready();
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} catch (e) {
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setTimeout(tryScroll, 10);
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}
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}
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tryScroll();
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}
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// IE, the document is inside a frame
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document.attachEvent("onreadystatechange", function() {
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if (document.readyState === "complete") {
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ready();
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}
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});
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}
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// Old browsers
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if (window.addEventListener)
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window.addEventListener('load', ready, false);
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else if (window.attachEvent)
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window.attachEvent('onload', ready);
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else {
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var fn = window.onload; // very old browser, copy old onload
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window.onload = function() { // replace by new onload and call the
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// old one
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fn && fn();
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ready();
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};
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}
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}
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