function searchLocationsNear(center) {
  var radius = document.getElementById('radiusSelect').value;
  var searchUrl = 'assets/showroomlocations.xml';
  GDownloadUrl(searchUrl, function(data) {
    var xml = GXml.parse(data);
    var markers = xml.documentElement.getElementsByTagName('store');
    map.clearOverlays();

    var sidebar = document.getElementById('sidebar');
    sidebar.innerHTML = '';
    if (markers.length == 0) {
      sidebar.innerHTML = 'No results found.';
      map.setCenter(new GLatLng(40, -100), 4);
      return;
    }

    var bounds = new GLatLngBounds();
    for (var i = 0; i < markers.length; i++) {
      var name = markers[i].getAttribute('name');
      var address = markers[i].getAttribute('address');
//      var distance = parseFloat(markers[i].getAttribute('distance'));
      var point = new GLatLng(parseFloat(markers[i].getAttribute('latitude')),
                              parseFloat(markers[i].getAttribute('longitude')));

      var marker = createMarker(point, name, address);
      map.addOverlay(marker);
      var sidebarEntry = createSidebarEntry(marker, name, address, distance);
      sidebar.appendChild(sidebarEntry);
      bounds.extend(point);
    }
    map.setCenter(bounds.getCenter(), map.getBoundsZoomLevel(bounds));
  });
}

function createMarker(point, name, address) {
  var marker = new GMarker(point);
  var html = '<b>' + name + '</b> <br/>' + address;
  GEvent.addListener(marker, 'click', function() {
    marker.openInfoWindowHtml(html);
  });
  return marker;
}

function createSidebarEntry(marker, name, address, distance) {
  var div = document.createElement('div');
  var html = '' + name + ' (' + distance.toFixed(1) + ')' + address;
  div.innerHTML = html;
  div.style.cursor = 'pointer';
  div.style.marginBottom = '5px';
  GEvent.addDomListener(div, 'click', function() {
    GEvent.trigger(marker, 'click');
  });
  GEvent.addDomListener(div, 'mouseover', function() {
    div.style.backgroundColor = '#eee';
  });
  GEvent.addDomListener(div, 'mouseout', function() {
    div.style.backgroundColor = '#fff';
  });
  return div;
}