function show_exchange_filter($filter_t)
{
$sort_url = determine_sort_url();
$menu = $_GET['m'];
print '<form method="POST" action="index.php?m=' . $menu . $sort_url . '&setfilter">';
print '<table><tbody><tr><th>Select student travel:</th></tr><tr><td>';
//if (strlen($_POST['travel_selection']) > 0) $ft = $_POST['travel_selection']; else $ft = $filter_t;
show_select('travel_selection', db_travels_list(), $filter_t, ' onchange="this.form.submit()"');
print '</td></tr></tbody></table></form><br />';
}
function addedit_travel_course($tc)
{
$column_labels = array('ID', 'Associated travel', 'Foreign course code', 'Foreign course name', 'Credits', 'Grade', 'Course type', 'FMFI course');
$column_types = array('RDONLY', '*', 'text', 'text', 'number', 'text', '*', '*');
show_edit_form($column_labels, $tc, $column_types, array(db_travels_list(), array(array('c', 'compulsory'), array('e', 'elective'), array('o', 'optional')), db_fmfi_courses(TRUE)));
}
