Inner Shadow in UILabel

is it possible to create such a UILabel with inner and outer shadow?

alt text http://dl.getdropbox.com/u/80699/Bildschirmfoto%202010-07-12%20um%2021.28.57.png

i only know shadowColor and shadowOffset

zoomed:

alt text http://dl.getdropbox.com/u/80699/Bildschirmfoto%202010-07-12%20um%2021.39.56.png

thanks!