function to parse hash

unfiled.js

function hashParse(url) {
	function assign(obj, prop, value) {
		prop = prop.split(".");

		if (prop.length > 1) {
			var e = prop.shift();
			assign(obj[e] = Object.prototype.toString.call(obj[e]) === "[object Object]" ? obj[e] : {},
				prop,
				value);
		} else
			obj[prop[0]] = value;
	}

	url = url || window.location.href;

	var hash = url.indexOf('#') == -1 ? '' : url.substr(url.indexOf('#') + 1);

	if (hash.length == 0) {
		return {};
	}

	hash = hash.split('&').filter(function (p) {return p.length > 0;});

	if (hash.length == 0) {
		return {};
	}

	var parsed = {};

	hash.forEach(function (item) {
		var name = item, value = null;
		if (item.indexOf('=') != -1) {
			name  = item.substr(0, item.indexOf('='));
			value = item.substr(item.indexOf('=') + 1);
		}

		name = name.split('][').join('.').replace('[', '.').replace(']', '');

		assign(parsed, name, value);
	});

	return parsed;
}