var cloudmadeAttribution = 'Map data © 2011 OpenStreetMap contributors, Imagery © 2011 CloudMade',
    cloudmade = new L.TileLayer('http://{s}.tile.cloudmade.com/BC9A493B41014CAABB98F0471D759707/997/256/{z}/{x}/{y}.png', {attribution: cloudmadeAttribution});

var map = new L.Map('map').addLayer(cloudmade).setView(new L.LatLng(48.5, 2.5), 15);

var osmGeocoder = new L.Control.OSMGeocoder();

map.addControl(osmGeocoder);

var options = {
    collapsed: true, /* Whether its collapsed or not */
    position: 'topright', /* The position of the control */
    text: 'Locate', /* The text of the submit button */
    bounds: null, /* a L.LatLngBounds object to limit the results to */
    email: null, /* an email string with a contact to provide to Nominatim. Useful if you are doing lots of queries */
    callback: function (results) {
            var bbox = results[0].boundingbox,
                first = new L.LatLng(bbox[0], bbox[2]),
                second = new L.LatLng(bbox[1], bbox[3]),
                bounds = new L.LatLngBounds([first, second]);
            this._map.fitBounds(bounds);
    }
};