$.gMapLoader: load google maps API V3 asynchlonously

gistfile1.js

/**
 * $.gMapLoader
 */
$.GMapLoader = function(){};
$.GMapLoader.prototype = {

	options: {
		language: 'en',
		sensor: false,
		callbackProperty: 'gMapCallback'
	},

	load: function(options){
		
		var data = $.extend({}, this.options, options);
		window[data.callbackProperty] = data.callback || $.noop;
		data.callback = 'window.' + data.callbackProperty;
		delete data.callbackProperty;
		data.sensor = data.sensor ? 'true' : 'false';

		/*
			Google maps tries to appendChild to document.body.
			So if you call this in 'head', sometimes it fails.
			This timer avoids it.
		*/
		var timer = setInterval(function(){
			if(document.body){
				$.ajax({
					url: 'http://maps.google.com/maps/api/js',
					dataType: 'script',
					data: data
				});
				clearInterval(timer);
			}
		},10);

	}

};
$.gMapLoader = new $.GMapLoader();

// usage:
// $.gMapLoader.load({
// 	language: 'ja', // 'en' default
// 	sensor: false,
// 	callback: function(){
// 		console.log('loaded');
// 	}
// });