 import mx.collections.IList;
 import mx.collections.Sort;
 import mx.collections.SortField;
+import mx.core.EventPriority;
 import mx.core.IFactory;
 import mx.core.IIMESupport;
 import mx.core.LayoutDirection;

     */
    protected function grid_rollOutHandler(event:GridEvent):void
    {
        grid.hoverRowIndex = -1;
        grid.hoverColumnIndex = -1;
        

     */
    protected function grid_mouseDownHandler(event:GridEvent):void
    {
        if (event.isDefaultPrevented())
            return;
        
        const isCellSelection:Boolean = isCellSelectionMode();

        const rowIndex:int = event.rowIndex;
