/* Folding script */
img1=new Image()
img1.src="./sitepics/menu/fold.gif"
img2=new Image()
img2.src="./sitepics/menu/open.gif"
ns6_index=0

function change(e){
if(!document.all&&!document.getElementById)
return

if (!document.all&&document.getElementById)
ns6_index=1

var source=document.getElementById&&!document.all? e.target:event.srcElement
if (source.className=="folding"){
var source2=document.getElementById&&!document.all? source.parentNode.childNodes:source.parentElement.all
if (source2[2+ns6_index].style.display=="none"){
source2[0].src="./sitepics/menu/open.gif"
source2[2+ns6_index].style.display=''
}

else{
source2[0].src="./sitepics/menu/fold.gif"
source2[2+ns6_index].style.display="none"
}
}
}
document.onclick=change

/* Einde folding script.*/