gistfile1.js

function anchorEventer(baseUrl)
{
	if (baseUrl) {
		anchorEventer.oldUrl = baseUrl;
	}
	if (!anchorEventer.oldUrl) {
		anchorEventer.oldUrl = document.location.href;
	}

	return {
		observe : function() {
			if (anchorEventer.worker) {
				return false;
			}

			anchorEventer.worker = window.setInterval(function() {
				if (anchorEventer.oldUrl != document.location.href) {
					//console.log('old', oldUrl, 'new', document.location.href);
					var oldUrl = anchorEventer.oldUrl;
					anchorEventer.oldUrl = document.location.href;

					$(document).trigger({
						type    : 'anchorChange',
						hrefOld : oldUrl,
						hrefNew : document.location.href,
						hashOld : oldUrl.replace(/(.*?)(#|$)/, ''),
						hashNew : document.location.href.replace(/(.*?)(#|$)/, '')
					});
				}
			}, 50);


			return true;
		},
		stopObserving : function()
		{
			clearInterval(anchorEventer.worker);
		}
	}
}