var lastSub;
function showsub(name)
{
	clearsubs();
	if (name == lastSub)
       {
         document.getElementById(name).style.visibility = 'hidden';
		 lastSub = '';
       }
      else
       {
         document.getElementById(name).style.visibility = 'visible';
		 lastSub = name;
       }
}

function clearsubs()
{
	if (lastSub) {
		document.getElementById(lastSub).style.visibility = 'hidden';
	}
}

var lastSub2;
function showsub2(name)
{
	clearsubs2();
	if (name == lastSub2)
       {
         document.getElementById(name).style.width = '218px';
         document.getElementById(name).style.left = '782px';
         document.getElementById('inhoud').style.display = 'block';
		 lastSub2 = '';
       }
      else
       {
         document.getElementById(name).style.width = '34px';
         document.getElementById(name).style.left = '966px';
         document.getElementById('inhoud').style.display = 'none';
		 lastSub2 = name;
       } 
}

function clearsubs2()
{
	if (lastSub2) {
		document.getElementById(lastSub2).style.width = '218px';
         document.getElementById('inhoud').style.display = 'block';
	}
}

var lastName;
var selName;
function showform(selObj){
if(selObj != ''){
	selName = selObj;
	clearform();
	if (selName == lastName)
       {
         document.getElementById(selName).style.display = 'none';
		 lastName = '';
       }
      else
       {
         document.getElementById(selName).style.display = 'block';
		 lastName = selName;
       } 
	}
}

function clearform()
{
	if (lastName) document.getElementById(lastName).style.display = 'none';
}