print $cgi->header( '-expires' => 'now' ), header('Invoice View', menubar(
"Main Menu" => $p,
"View this customer (#$custnum)" => "${p}view/cust_main.cgi?$custnum",
print $cgi->header( '-expires' => 'now' ), header('Invoice View', menubar(
"Main Menu" => $p,
"View this customer (#$custnum)" => "${p}view/cust_main.cgi?$custnum",