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


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


/**
 *  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
