 
     /**
      *  Creates and instance of the dropIndicator class that is used to
-     *  display the visuals of the drop location during a drag and dorp
+     *  display the visuals of the drop location during a drag and drop
      *  operation. The instance is set in the layout's 
      *  <code>dropIndicator</code> property.
      * 

    private var _allowMultipleSelection:Boolean = false;
    
    /**
     *  If <code>true</code> multiple selections is enabled. 
     *  When switched at run time, the current selection
     *  is cleared. 
     *


/**
 *  The List control displays a vertical list of items.
 *  Its functionality is similar to that of the SELECT
 *  form element in HTML.
 *  If there are more items than can be displayed at once, it
 *  can display a vertical scroll bar so the user can access
