if(exists $form{'words'})
{ $search_words = $form{'words'};
if($form{'wt'} eq 'be') {$search_wb = ' checked'; $search_ew = '';}
else {$search_wb = ''; $search_ew = ' checked';}
if($form{'bl'} eq 'an') {$search_bAND = ' checked'; $search_bOR = ''; $search_bPHR = '';}
elsif($form{'bl'} eq 'ph') {$search_bAND = ''; $search_bOR = ''; $search_bPHR = ' checked';}
else {$search_bAND = ''; $search_bOR = ' checked'; $search_bPHR = '';}
$wl = lc $search_words;
$wl =~ tr/a-z0-9/ /c;
$wl =~ s/(\A\s+)|(\s+\Z)//g;
@words = split /\s+/, $wl;
if($wl eq '' || $#words < 0)
{ $extra = "Please enter some words in the search box.
";
@words = ();
} else
{ $title = join ' ', 'Search results for', @words;
} $search_q = $ENV{'QUERY_STRING'};
$search_q =~ s/\&pg=\d+//;
} else
{ $search_words = '';
$search_wb = ' checked';
$search_ew = '';
$search_bAND = '';
$search_bOR = ' checked';
$search_bPHR = '';