Perl and JavaScript's "onsubmit"

[Ron Wingfield]

Can a JavaScript instruction, executed per the custom "CheckForm" subroutine as 
called -onsubmit (see below) assign the value of the Perl $ap_name var that is 
associated with the -action argument of start_form( )?  (BTW, I'm on my way to 
Barnes & Noble to buy yet another $50 book, . . .thought I'd ask anyway.)

print $cgi->start_form(
                        -name=>"apps_menu",
                        -method=>"GET",
                        -action=>$ap_name,
                        -onsubmit=>"return CheckForm( this );"
);

Thanks,
Ron W.