+if ( $cgi->param('setup_discountnum') =~ /^(-?\d+)$/ ) {
+ if ( $1 == -2 ) {
+ $change{waive_setup} = 'Y';
+ } else {
+ $change{setup_discountnum} = $1;
+ $change{setup_discountnum_amount} = $cgi->param('setup_discountnum_amount');
+ $change{setup_discountnum_percent} = $cgi->param('setup_discountnum_percent');
+ }
+}
+