Help me here

Ok I wanna make an autorun program for a cd… i already know how to do the autorun blah blah blah… heres were i need help… i made a flash and when you start it up it goes through an intro then opens up the menu… How do i make it when someone clicks on selection1 it will open up selection1.exe in a new window… same with selection 2 etc etc…

on (release) {
getURL("selection1.exe");
}