-printf("<INPUT TYPE=HIDDEN NAME=\"orig\" VALUE=\"%s\">\n", $old);
-printf("<INPUT TYPE=HIDDEN NAME=\"old_name\" VALUE=\"%s\">\n", $old_name);
-echo '<INPUT TYPE=SUBMIT VALUE="'._("Submit")."\">\n".
+echo addHidden('orig', $old).
+ addHidden('old_name', $old_name).
+ '<INPUT TYPE=SUBMIT VALUE="'._("Submit")."\">\n".