Get info in Berlin bike routes from http://www.stadtentwicklung.berlin.de/verkehr/mobil/fahrrad/radrouten/de/gps_tracks/index.shtml used on this map http://exploringdata.github.com/vis/berlin-bike-routes/

berlin-bike-routes.js

var routes = [];
var route = {};
$('.datenhellgrau td').each(function(idx, item){
    if ('sp1_1' == $(item).attr('headers')) {
        route = {};
        route['name'] = $(item).text();
    }
    else if ('sp1_2' == $(item).attr('headers')) {
        route['gpx'] = $($(item).find('.download a')[0]).attr('href')
            .replace('../../download/gps_tracks/', '/gpx/');
        routes.push(route);
    }
});
JSON.stringify(routes);