var __loaded_scripts function require_once js_url onload if __loaded_s

var __loaded_scripts = {};
function require_once(js_url, onload) {
	if (!__loaded_scripts[js_url]) {
		__loaded_scripts[js_url] = 1;
		$.getScript(js_url, onload);
		return false;
	}
	return true;
}

// .........

	$(function () {
		if (require_once("http://maps.googleapis.com/maps/api/js?key=AIzaSyD2qdaXgeNQEJcMS4ZOJB5-rNfFC9Vn4bU&sensor=true&callback=map_init")) {
			map_init();
		}
	});
	function map_init() {
		$.getScript("/static/js/vendor/markerclusterer.js", function () {
			$.getScript("/static/js/vendor/infobox.js", function () {
				mapInitChoice();
			});
		});
	}