var map;
const INC = 0.003;
const LAT = 37.4419;
const LNG = -122.1419;

function onLoad() {
    map = new GMap2(document.getElementById("map"));
    map.setCenter(new GLatLng(37.4419, -122.1419), 9);
    map.setUIToDefault();
    createImage();
}

function c(y,x,color) {
    var newIcon = MapIconMaker.createMarkerIcon
	({width: 32, height: 32, primaryColor: color});
    var p = new GLatLng(LAT - y*INC, LNG + x*INC);
    var m = new GMarker(p,{icon: newIcon});
    map.addOverlay(m);
}