var navigatie;window.onload=function()
{navigatie=document.getElementById('left').ownerDocument.getElementsByTagName('li');for(i=0;i<navigatie.length;i++)
{myfirst=navigatie[i].childNodes[1];if(myfirst&&myfirst.className=="pseudolink")
{navigatie[i].onclick=function(){showsub(this);}}}}
function showsub(li_mainitem)
{if(li_mainitem.getElementsByTagName('ul')[0].style.display=='')
{li_mainitem.getElementsByTagName('ul')[0].style.display='none';li_mainitem.firstChild.innerHTML="&raquo;";}
else
{li_mainitem.getElementsByTagName('ul')[0].style.display='';li_mainitem.firstChild.innerHTML="&darr;";}}