snippet.js

var makeMaps = function () {
    var mm = com.modestmaps;
    m = new mm.Map('map', new com.modestmaps.WaxProvider({
        baseUrl: 'http://a.tiles.mapbox.com/mapbox/',
        layerName: 'world-glass',
        zoomRange: [4, 8]
    }));
    m.setCenterZoom(
    new com.modestmaps.Location(37, -97), 5);
    
    o = new mm.Map('map-overlay', new com.modestmaps.WaxProvider({
        baseUrl: 'http://csr.bclcmaps.com/tiles/',
        layerName: 'eyJib29sIjp7Im11c3QiOlt7ImZpZWxkIjp7InB1Ymxpc2hlZCI6dHJ1ZX19LHsidGVybSI6eyJjYXRlZ29yeSI6IkVudmlyb25tZW50In19XX19',
        zoomRange: [4, 8]
    })).zoomer().interaction();
    o.setCenterZoom(
    new com.modestmaps.Location(37, -97), 5);

    o.addCallback("drawn", function(modestmap, e) {
        m.setCenterZoom(o.getCenter(), o.getZoom());
    });
};