code: function(options) {
          OpenLayers.Util.extend(this, options);
          this.maps = [];
          this.tileQueueId = {};
          this.tileQueue = {};
          this.tileCache = {};
          this.tileCacheIndex = [];
      }
docs: Constructor: OpenLayers.TileManager
  Constructor for a new <OpenLayers.TileManager> instance.
  
  Parameters:
  options - {Object} Configuration for this instance.