Creates namespace.

namespace.js

(function(root) {
	/**
	 * Sets specified namespace on object.
	 *
	 * @example
	 * <code>
	 *     var bar = namespace('foo.bar', window); // `bar` is link to window.foo.bar
	 * </code>
	 * 
	 * @param  {String} namespace
	 * @param  {Object} object
	 * @return {Object}
	 */
	root.ns = function(namespace, object) {
		var root = object,
			ns = namespace.split('.'),
			len = ns.length,
			part, i = 0;

		for (; i < len; i++) {
			part = ns[i];

			if ( ! root[part]) {
				root[part] = {};
			}

			root = root[part];
		}

		return root;
	};
})(window);