push @field_data, { term => "value_mainstr", val => $query->param('value_mainstr') || "" };
push @field_data, { term => "value_main", val => $query->param('value_main') || "" };
push @field_data, { term => "value_any", val => $query->param('value_any') || ""};
push @field_data, { term => "value_mainstr", val => $query->param('value_mainstr') || "" };
push @field_data, { term => "value_main", val => $query->param('value_main') || "" };
push @field_data, { term => "value_any", val => $query->param('value_any') || ""};