Skin scroll bar component

1

have found this url http://livedocs.macromedia.com/flash/mx2004/main/wwhelp/wwhimpl/common/html/wwhelp.htm?context=Flash_MX_2004_Documentation&file=03_cus17.htm in order to skin the scrollbar of a List component component in flash mx 2004 but dont work for me, my new arrowdown is missing when i click on the down arrow, have u an issue about that ? thanks.