$.wait

$.wait

(function ($, window, document, undefined) {
 	$.extend({
		/*
		* wait for timeout until condition returns true
		*/
		wait: function (conditionCallback, timeout) {

			timeout = timeout || 50;

			return $.Deferred(function (dfd) {
				(function toExec() {
					if (conditionCallback()) {
						dfd.resolve();
					} else setTimeout(toExec, timeout);
				})();
			});
		}
	});
 }(jQuery, window, document));