function openAntwoord(nummer)
{for (var a = 1; a < 18; a++) document.getElementById('f' + a).style.display = 'none';
document.getElementById('f' + nummer).style.display = 'block';}

function plesk_inlog(){
						document.loginplesk.action='https://www.' + document.loginplesk.login_name.value + ':8443/login_up.php3';
					}


function mail_inlog(){
document.imp_login.action='http://webmail.' + document.imp_login.domein.value + '/horde/imp/redirect.php';
document.imp_login.maildomain.value=document.imp_login.domein.value;
document.imp_login.realm.value=document.imp_login.domein.value;
}