<HTML> <HEAD> <TITLE></TITLE> <script type="text/javascript"> function deplace(sens) { if ( sel.selectedIndex + sens < sel.length && sel.selectedIndex + sens >= 0 ) sel.selectedIndex=sel.selectedIndex+sens; } </script> </HEAD> <select name="sel" size=5> <option>un <option>deux <option>trois </select> + - </HTML>