function vergrootFoto(imglink, toggle) {
 if(toggle==1) {
  document.getElementById('page_container').style.display="none";
  document.getElementById('vergroting_subcontainer').innerHTML="<img src='/images/"+imglink+"' alt='' /><img src='images/sluit_foto_button.gif' id='button_sluitfoto' onclick='vergrootFoto(0,0);' alt='Sluit vergroting' >";
  document.getElementById('vergroting_container').style.display="block";
 }
 else {
  document.getElementById('vergroting_container').style.display="none";
  document.getElementById('vergroting_subcontainer').innerHTML="";
  document.getElementById('page_container').style.display="block";
 }
}