function jmailadr(Usr) {
  return Usr + '@' + 'klarsen.dk';
}

function jmaillnk(Usr, Txt) {
  var ma = jmailadr(Usr);
  if(jmaillnk.arguments.length < 2) document.write('<a href="mai' + 'lto:' + ma + '">' + ma + '</a>');
  else document.write('<a href="mai' + 'lto:' + ma + '">' + Txt + '</a>');
}

function jmailimg(Usr, ImgRef, Width, Height, AltTxt) {
  var ma = jmailadr(Usr);
  if(jmailimg.arguments.length < 5) AltTxt = ma;
  document.write('<a href="mai' + 'lto:' + ma + '"><img src="' + ImgRef + '" border="0" alt="' + AltTxt + '" width="' + Width + '" height="' + Height + '"></a>');
}