my $clean_cgi = quotemeta("$vars_config{CGIURL}/ultimatebb.cgi");
my $clean_non = quotemeta($ULTIMATEBB); # Accelerator
if (($in{refer} ne '') && ($in{refer} !~ m/register|age|coppa/i) && ($in{refer} !~ /(logoff|cookies|find_lost|password)$/)
# Comment out the following line to allow redirects back to anywhere
&& ($in{refer} =~ /^($clean_cgi|$clean_non)/)
) {
# take viewer back to topic
&set_page_elements;
&Transition("$ENV{HTTP_REFERER}", "Thanks for enabling/disabling spoiler...", "$ENV{HTTP_REFERER}");
} else { &StandardHTML("Thanks for enabling/disabling spoiler..."); }