var ids=new Array('voorbeeld1', 'voorbeeld2', 'voorbeeld3');
 
function switchid(id){ 
 hideallids();
 showdiv(id);
}
 
function hideallids(){
 //loop through the array and hide each element by id
 for (var i=0;i<ids.length;i++){
  hidediv(ids[i]);
 }    
}
 
function hidediv(id) {
 //safe function to hide an element with a specified id
 if (document.getElementById) { // DOM3 = IE5, NS6
  document.getElementById(id).style.display = 'none';
 }
 else {
  if (document.layers) { // Netscape 4
   document.id.display = 'none';
  }
  else { // IE 4
   document.all.id.style.display = 'none';
  }
 }
}
 
function showdiv(id) {
 //safe function to show an element with a specified id
    
 if (document.getElementById) { // DOM3 = IE5, NS6
  document.getElementById(id).style.display = 'block';
 }
 else {
  if (document.layers) { // Netscape 4
   document.id.display = 'block';
  }
  else { // IE 4
   document.all.id.style.display = 'block';
  }
 }
}

function laatzien(id) {
 //safe function to show an element with a specified id
    
 if (document.getElementById) { // DOM3 = IE5, NS6
  document.getElementById(id).style.display = 'block';
 }
 else {
  if (document.layers) { // Netscape 4
   document.id.display = 'block';
  }
  else { // IE 4
   document.all.id.style.display = 'block';
  }
 }
}