function em_maskieren (ename, dname, etext)
/* 
em_maskieren ("meier","uni-dortmund", "Hugo Meier) erzeugt:
 <a href='mailto:meier@uni-dortmund.de'>Hugo Meier</a>
*/
{
  var apre = "<a href='mailto:";
  var apost = "' class="email_link">";
  var aend = "</a>";
  var at = "@";
  var leer = "<a>";  if ((dname == "") ||(ename == "")) {
    document.write(leer);
  document.write(leer + aend);
  }
  else if (etext == "") {
    document.write(apre + ename + at + dname + apost);
  document.write(nname + " AT " + dname + aend);
  }
  else {
    document.write(apre + ename + at + dname + apost);
  document.write(etext + aend);
  }
}