# Make sure form param 'dontchange' is defined so it can be compared to easily.
$cgi->param('dontchange','') unless defined $cgi->param('dontchange');
+# Make sure the 'knob' param is defined; else set it to 'none'.
+$cgi->param('knob', 'none') unless defined $cgi->param('knob');
+
# Validate all timetracking fields
foreach my $field ("estimated_time", "work_time", "remaining_time") {
if (defined $cgi->param($field)) {
}
}
-CheckFormFieldDefined($cgi, 'knob');
SWITCH: for ($cgi->param('knob')) {
/^none$/ && do {
last SWITCH;