var mail13 = '';
var last="";
var rot13map;
function rot13init()
{
  var map = new Array();
  var s   = "abcdefghijklmnopqrstuvwxyz";
  for (i=0; i<s.length; i++)
    map[s.charAt(i)]			= s.charAt((i+13)%26);
  for (i=0; i<s.length; i++)
    map[s.charAt(i).toUpperCase()]	= s.charAt((i+13)%26).toUpperCase();
  return map;
}
function rot13(a)
{
  if (!rot13map)
    rot13map=rot13init();
  s = "";
  for (i=0; i<a.length; i++)
    {
      var b = a.charAt(i);
      s	+= (b>='A' && b<='Z' || b>='a' && b<='z' ? rot13map[b] : b);
    }
  return s;
}
function EncMail(email,weergave,onderwerp)
	{
	if (weergave.indexOf('@') != -1){weergave = rot13(weergave);}
	document.write ('<a href="mailto:'+rot13(email)+'?'+onderwerp+'">'+weergave+'</a>');
	}