var baseIcon = new GIcon();
baseIcon.shadow = "";
baseIcon.iconSize = new GSize(32, 32);
baseIcon.shadowSize = new GSize(0, 0);
baseIcon.iconAnchor = new GPoint(16, 16);
baseIcon.infoWindowAnchor = new GPoint(16, 16);
baseIcon.image = "http://media.onesquarecentimetre.com/img/cm2.png";

var myIcon = new GIcon();
myIcon.shadow = "";
myIcon.iconSize = new GSize(58,58) 
myIcon.shadowSize = new GSize(58, 58);
myIcon.iconAnchor = new GPoint(29, 29);
myIcon.infoWindowAnchor = new GPoint(29, 29);
myIcon.image = "http://media.onesquarecentimetre.com/img/my-cm.png";

var infoIcon = new GIcon();
infoIcon.shadow = "";
infoIcon.iconSize = new GSize(40,40) 
infoIcon.shadowSize = new GSize(40,40);
infoIcon.iconAnchor = new GPoint(20,20);
infoIcon.infoWindowAnchor = new GPoint(20,20);
infoIcon.image = "http://media.onesquarecentimetre.com/img/info.png";

var subinfoIcon = new GIcon();
subinfoIcon.shadow = "";
subinfoIcon.iconSize = new GSize(40,40) 
subinfoIcon.shadowSize = new GSize(40,40);
subinfoIcon.iconAnchor = new GPoint(20, 20);
subinfoIcon.infoWindowAnchor = new GPoint(20, 20);
subinfoIcon.image = "http://media.onesquarecentimetre.com/img/sub-info.png";