      * effect to manually keep the item around and remove it when the
      * transition completes. In order to use this capability, subclasses
      * should set this variable to true and also expose the "parent"
-     * and "elementHost" properties in their affectedProperties array so 
+     * property in their affectedProperties array so 
      * that the effect instance has enough information about the target
      * and container to do the job.
      */

                    if ("parent" in target && target.parent)
                    {
                        parentW = target.parent.width;
                    }
                    else if ("elementHost" in target && target.elementHost)
                    {
                        parentW = target.elementHost.width;
                    }
                }


                    {
                        parentH = target.parent.height;
                    }
                }
                
                // For 'right' or 'horizontalCenter' we need the parent width
