function show(object)
{
  if (document.getElementById && document.getElementById(object) != null)
  {
    node = document.getElementById(object).style.visibility='visible';
    node = document.getElementById(object).style.display='';
  }
  else if (document.layers && document.layers[object] != null)
  {
    document.layers[object].visibility = 'visible';
    document.layers[object].display= '';
  }
  else if (document.all)
  {
    document.all[object].style.visibility = 'visible';
    document.all[object].style.display= '';
  }
}

function hide(object)
{
  if (document.getElementById && document.getElementById(object) != null)
  {
    node = document.getElementById(object).style.visibility='hidden';
    node = document.getElementById(object).style.display='none';
  }
  else if (document.layers && document.layers[object] != null)
  {
    document.layers[object].visibility = 'hidden';
    document.layers[object].display= 'none';
  }
  else if (document.all)
  {
    document.all[object].style.visibility = 'hidden';
    document.all[object].style.display= 'none';
  }
}

function fake_disabled(color,fontColor)
{
  document.getElementById('retourdatum_maand').style.color=fontColor;
  document.getElementById('retourdatum_maand').style.background=color;
  document.getElementById('retourdatum_dag').style.color=fontColor;
  document.getElementById('retourdatum_dag').style.background=color;
}

function checkIt_mobile(evt) {
    evt = (evt) ? evt : window.event
    var charCode = (evt.which) ? evt.which : evt.keyCode
    if (charCode > 31 && (charCode < 48 || charCode > 57)) {
        status = "This field accepts numbers only."
        return false
    }
    status = ""
    return true
}

function addBookmark(title,url) {
if (window.sidebar) { 
window.sidebar.addPanel(title, url,""); 
} else if( document.all ) {
window.external.AddFavorite( url, title);
} else if( window.opera && window.print ) {
return true;
}
}