// load the library asynchronously 
function loadScript() {
	        var script = document.createElement("script");
	        script.type = "text/javascript";
	        script.src = "http://maps.google.com/maps/api/js?sensor=true&callback=initialize";
	        document.body.appendChild(script);
}
window.onload = loadScript;

function initialize() {

var latlng1 = new google.maps.LatLng(-37.816463, 144.958742);
	      
var myOptions1 = {
		   scrollwheel: false,
	            zoom: 15,
	            center: latlng1,
	            mapTypeId: google.maps.MapTypeId.ROADMAP
};

var marker1 = new google.maps.Marker({
	            position: latlng1
});

var map1 = new google.maps.Map(document.getElementById("map_canvas1"), myOptions1);	        

	        marker1.setMap(map1);	        
}