var center = new google.maps.LatLng(18.133333, 21.566667);
var map = new google.maps.Map(document.getElementById( map ), {zoom: 11,center: center,mapTypeId: google.maps.MapTypeId.TERRAIN});
I have a DIV by the name map in my html.
<div id="map"></div>
The JS is in a function listed in myscript.js which I reference in my index.html
-------------edit---------- google maps ref
<script src="http://maps.google.com/maps/api/js?sensor=false"></script>