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