Click capturing functionality for delaying all clicks until all events have been bound

gistfile1.js

/*!
 * preload-clicks.js v0.1.0
 * http://www.closedinterval.com/
 *
 * Click capturing functionality for delaying all clicks until all events have been bound
 *
 * Copyright 2011-2012, Wei Kin Huang
 * Classify is freely distributable under the MIT license.
 */
var releaseClicks = (function(document) {
	"use strict";
	var clicks = [],
	// elements with the class or is in a container with the class "click-through"
	clickthroughTest = /(?:^| )click-through(?:$| )/, bodyTest = /^body$/i,
	// event passthrough data
	passthoughKeys = [ "screenX", "screenY", "clientX", "clientY", "ctrlKey", "altKey", "shiftKey", "metaKey" ],
	passthoughKeysLen = passthoughKeys.length,
	// function to listen to click events on the document level
	capture = function(e) {
		var target = e.target ? e.target : e.srcElement, tmp = target, clonedEvent = {}, i;
		// stop when we get to the body
		while (!bodyTest.test(tmp.nodeName)) {
			// if click through was allowed, the don't bother continuing
			if (clickthroughTest.test(tmp.className)) {
				return;
			}
			tmp = tmp.parentNode;
		}

		if (e.preventDefault) {
			// Handle the general browser event prevention
			e.preventDefault();
		} else {
			// for handling IE
			e.returnValue = false;
		}
		// clone event values
		for (i = 0; i < passthoughKeysLen; i++) {
			if (e[passthoughKeys[i]] != null) {
				clonedEvent[passthoughKeys[i]] = e[passthoughKeys[i]];
			}
		}
		// collect this click
		clicks.push([ target, clonedEvent ]);
		return false;
	},
	// dispatch events
	triggerEvent = document.createEvent ? function(el, evt) {
		// dispatch for non IE browsers
		var e = document.createEvent("HTMLEvents"), k;
		// event type, bubbling, cancelable
		e.initEvent("click", true, true);
		for (k in evt) {
			if (evt.hasOwnProperty(k)) {
				e[k] = evt[k];
			}
		}
		return !el.dispatchEvent(e);
	} : function(el, evt) {
		// dispatch for IE
		var e = document.createEventObject(), k;
		for (k in evt) {
			if (evt.hasOwnProperty(k)) {
				e[k] = evt[k];
			}
		}
		return el.fireEvent("onclick", e);
	};

	// bind event listener to the document level object
	if (document.addEventListener) {
		document.addEventListener("click", capture, false);
	} else {
		document.attachEvent("onclick", capture);
	}
	return function() {
		var i = 0, l = clicks.length;
		// release the document level click listener
		if (document.removeEventListener) {
			document.removeEventListener("click", capture, false);
		} else {
			document.detachEvent("onclick", capture);
		}
		for (; i < l; i++) {
			triggerEvent(clicks[i][0], clicks[i][1]);
		}
	};
})(document);

// usage
// window.onload = releaseClicks;
// or just invoke releaseClicks();
// or $(document).ready(function(){
//     // bind all events first
//     releaseClicks();
// });