ol_sudan_baselayers

ol_sudan.js

//After line ???, add:

var base = new OpenLayers.Layer.XYZ(
    "MapBox Streets",
    [
        "http://a.tiles.mapbox.com/v3/landplanner.sudan1/${z}/${x}/${y}.png",
        "http://b.tiles.mapbox.com/v3/landplanner.sudan1/${z}/${x}/${y}.png",
        "http://c.tiles.mapbox.com/v3/landplanner.sudan1/${z}/${x}/${y}.png",
        "http://d.tiles.mapbox.com/v3/landplanner.sudan1/${z}/${x}/${y}.png"
    ], {
        attribution: "Tiles &copy; <a href='http://mapbox.com/'>MapBox</a> | " + 
            "Data &copy; <a href='http://www.openstreetmap.org/'>OpenStreetMap</a> " +
            "and contributors, CC-BY-SA",
        sphericalMercator: true,
        wrapDateLine: true,
        transitionEffect: "resize",
        buffer: 1,
        numZoomLevels: 13
    }
);

//On line ???, add:

layers: [base],