Simulate onhashchange support

hashchange.js

// Simulate onhashchange support in all browsers
"onhashchange" in window || (function () {
	var lastHash = '';
	function pollHash() {
		if (lastHash !== location.hash) {
			lastHash = location.hash;
			var event = document.createEvent("HTMLEvents");
			event.initEvent("hashchange", true, false);
			document.body.dispatchEvent(event);
			if (typeof onhashchange == "function") {
				onhashchange(event);
			}
		}
	}
	setInterval(pollHash, 100);
})();