$(document).ready(function(){
  map = new OpenLayers.Map('map');

  var google_streets = new OpenLayers.Layer.Google( "Google Streets");
  map.addLayer(google_streets);

  bounds = new OpenLayers.Bounds();
  bounds.extend(new OpenLayers.LonLat(-122.50,37.82));
  bounds.extend(new OpenLayers.LonLat(-122.19,37.70));
  map.zoomToExtent(bounds);

});