if ($_SESSION['Items']->trans_no==0) {
ref_cells(_("Reference"), 'ref', '', null, "class='tableheader2'");
} else {
label_cells(_("Reference"), $_SESSION['Items']->reference, "class='tableheader2'");
}
if ($_SESSION['Items']->trans_no==0) {
ref_cells(_("Reference"), 'ref', '', null, "class='tableheader2'");
} else {
label_cells(_("Reference"), $_SESSION['Items']->reference, "class='tableheader2'");
}