code: function() {
  
              this.init();
  
              YAHOO.log("DragDropMgr onload", "info", "DragDropMgr");
              Event.on(document, "mouseup",   this.handleMouseUp, this, true);
              Event.on(document, "mousemove", this.handleMouseMove, this, true);
              Event.on(window,   "unload",    this._onUnload, this, true);
              Event.on(window,   "resize",    this._onResize, this, true);
              // Event.on(window,   "mouseout",    this._test);
  
          }
docs: Drag and drop initialization.  Sets up the global event handlers
  @method _onLoad
  @private
  @static