Sound Bar

http://www.kirupa.com/developer/mx/soundbar.htm

i did from guide but it isn’t finish.

begin at point :

Now click on the button we made back in step c. Bring up the Actions panel again (right-click on the button and select Actions), and copy the following code:
on (release) {
loadMovie("[absolute location of movie]/sound1.swf", this);
}

but when i click into button my “play” and Bring up the Actions panel then it say " Current selection cannot have actions applied to it"

could you help me, please ?

my file : http://www.mediafire.com/?m61h1yfnujske22