var baseIcon = new GIcon();
baseIcon.iconSize=new GSize(32,32);
baseIcon.shadowSize=new GSize(56,32);
baseIcon.iconAnchor=new GPoint(16,32);
baseIcon.infoWindowAnchor=new GPoint(16,10);

var main   = new GIcon(baseIcon, "http://maps.google.com/mapfiles/kml/pal4/icon22.png", null, "http://maps.google.com/mapfiles/kml/pal4/icon22s.png");

function mapInit(lat,lon,zoom,info) {     
     var map = new GMap(document.getElementById("map"));     
     map.addMapType(G_SATELLITE_3D_MAP);
     map.setMapType(G_NORMAL_MAP);
     map.addControl(new GSmallZoomControl());
     map.setCenter(new GLatLng(lat, lon), zoom);
     var marker = new GMarker(new GLatLng(lat, lon),{icon:main,clickable:false,title:info});
     map.addOverlay(marker);
 }