function drawmap() {
     if (GBrowserIsCompatible()) {
	  var map = new GMap2(document.getElementById("map")); 
	  map.addControl(new GSmallZoomControl());
      map.addControl(new GMapTypeControl());
      map.addControl(new GScaleControl());

	//zoomlevels0-17+,0==world 
	 map.setCenter(new GLatLng(39.96732551271899, -75.18313407897949), 17);
	 }	
     else {
     document.write("I'm sorry, your browser is not supported")
      }
}