$agent->get("http://www.google.com/");

$agent->get("http://www.google.it/cxfer?c=PREF%3D:TM%3D1109256170:S%3D861XClBC3FksuGrw&prev=/");

$agent->get("http://www.google.it/");
$agent->form_name("f");
$agent->field("hl", "it");
$agent->field("ie", "ISO-8859-1");
$agent->field("q", "ginko biloba");
$agent->submit_form(form_name => "f");