jquip.docready.js

$['plug']("docready", function ($) {
  var win = window,
      doc = document,
      DOMContentLoaded,
      readyBound,
      readyList = [],
      isReady = false,
      readyWait = 1;

  $['hook'](function (sel, ctx) {
      if (typeof sel == "function") {
          this['ready'](sel);
          return true;
      }
  });

  function doScrollCheck() {
    if (isReady) return;
    try {
      doc.documentElement.doScroll("left");
    } catch (e) {
      setTimeout(doScrollCheck, 1);
      return;
    }
    ready();
  }

  function ready(wait) {
    if (wait === true) readyWait--;
    if (!readyWait || (wait !== true && !isReady)) {
      if (!doc.body) return setTimeout(ready, 1);
      isReady = true;
      if (wait !== true && --readyWait > 0) return;
      if (readyList) {
        var fn, i = 0, ready = readyList;
        readyList = null;
        while ((fn = ready[i++])) fn.call(doc, $);
        if ($['fn']['trigger']) $(doc)['trigger']("ready")['unbind']("ready");
      }
    }
  } $['ready'] = ready;

  DOMContentLoaded = doc.addEventListener
  ? function () {
    doc.removeEventListener("DOMContentLoaded", DOMContentLoaded, false);
    ready(); }
  : function () {
    if (doc.readyState === "complete") {
      doc.detachEvent("onreadystatechange", DOMContentLoaded);
      ready();
    }
  };

  $['bindReady'] = function() {
    if (readyBound) return;
    readyBound = true;
    if (doc.readyState === "complete") return setTimeout(ready, 1);

    if (doc.addEventListener) {
      doc.addEventListener("DOMContentLoaded", DOMContentLoaded, false);
      win.addEventListener("load", ready, false);
    } else if (doc.attachEvent) {
      doc.attachEvent("onreadystatechange", DOMContentLoaded);
      win.attachEvent("onload", ready);
      var toplevel = false;
      try { toplevel = window.frameElement == null; } catch (e) { }
      if (doc.documentElement.doScroll && toplevel) doScrollCheck();
    }
  };

  $['fn']['ready'] = function (fn) {
    $['bindReady']();
       if (isReady) fn.call(doc, $);
       else if (readyList) readyList.push(fn);
       return this;
   };

  if (!$['init']) $(document)['ready']($['onload']);
});