function Aan(dit) {
dit.getElementsByTagName('dd')[0].style.visibility='visible'
dit.getElementsByTagName('span')[0].style.visibility='visible'
if(!window.opera) dit.className='oplicht'
}

function Uit(dit) {
dit.getElementsByTagName('dd')[0].style.visibility='hidden'
dit.getElementsByTagName('span')[0].style.visibility='hidden'
if(!window.opera) dit.className=''
}

function Aan2(dit) {
v=document.getElementById('hoofdmenu').getElementsByTagName('dd');
for (i=0; i<v.length; i++) {v[i].style.visibility='hidden'; v[i].parentNode.getElementsByTagName('span')[0].style.visibility='hidden'};

if(dit.parentNode.parentNode.tagName=='DL') {
dit.parentNode.parentNode.getElementsByTagName('dd')[0].style.visibility='visible'
dit.parentNode.parentNode.getElementsByTagName('span')[0].style.visibility='visible'
if(!window.opera) dit.className='oplicht' }
}