function hideElement( targetId )
    {
        var targetElement = document.getElementById( targetId );
        if ( targetElement == null )
        {
            alert( 'Er bestaat geen element met id: ' + targetId );
            return;
        }
        targetElement.style.visibility = 'hidden';
        return;
    }

    function showElement( targetId )
    {
        var targetElement = document.getElementById( targetId );
        if ( targetElement == null )
        {
            alert( 'Er bestaat geen element met id: ' + targetId );
            return;
        }
        targetElement.style.visibility = 'visible';
        return;
    }

    window.onload =
        function()
        {
            hideElement( 'PopMenu' );
            return;
        }





function changeClass()
{
 PopUp.className='PopMenuAan';
}



function TooN(obj, a)
{
  var e=document.getElementById(a);
  if(!e)return true;
    e.style.display="block"
  return true;
}

function VieW(obj, a)
{
  var e=document.getElementById(a);
  if(!e)return true;
    e.style.display="block"
 image1.src='/new/submenu4.gif';
  return true;
}

function VerBerg(obj, a)
{
  var e=document.getElementById(a);
  if(!e)return true;
    e.style.display="none"
  return true;
}









function popUp(URL)
{
 day = new Date();
 id = day.getTime();
 eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0,scrollbars=1,location=0,statusbar=0,menubar=0,resizable=0,width=500,height=500');");
}