my $a = WWW::Mechanize->new();
my $url = "http://www2.germanwings.com/";
$a->submit_form(
	    'form_name' => 'SBform',
	    'fields'	=> {
		       'sector1_o'	=> 'aSTR',
		       'sector1_d' => 'FCO',
		       'sector_1_d' => '01',
		       'sector_1_m' => '062004',
		      # .....                
                  	    });