$br1 = $cgi->param('OPENBRACK1');
$field1 = $cgi->param('FIELD1');
$value1 = $cgi->param('VALUE1');
$comp1  = $cgi->param('COMP1');
$br2 = $cgi->param('OPENBRACK2');
$field2 = $cgi->param('FIELD2');
$value2 = $cgi->param('VALUE2');
$comp2 = $cgi->param('COMP2');