if ( $cgi->param($prefix.'end') =~ /^(\d+)$/ ) {
$ending = $1 - 1;
} elsif ( $cgi->param($prefix.'ending') =~ /^([ 0-9\-\/\:]{1,64})$/ ) {
if ( $cgi->param($prefix.'end') =~ /^(\d+)$/ ) {
$ending = $1 - 1;
} elsif ( $cgi->param($prefix.'ending') =~ /^([ 0-9\-\/\:]{1,64})$/ ) {