function email(ziel)
{
  if (ziel == 'webmaster')
  {
  adresse = "m" + "a" + "i" + "l" + "t" + "o" + ":" + "W" + "e" + "b" + "m" + "a" + "s" + "t" + "e" + "r" + "@" + "g" + "g" + "r" +"o" + "s" + "s";
  }
  if (ziel == 'guenter')
  {
  adresse = "m" + "a" + "i" + "l" + "t" + "o" + ":" + "d" + "u" + "m" + "p" + "f" + "." + "b" + "a" + "c" + "k" + "e" + "@" + "t" + "-" + "o" + "n"+ "l" + "i" + "n" + "e" + "." + "d" + "e";
  }  
  if (ziel == 'michi')
  {
  adresse = "m" + "a" + "i" + "l" + "t" + "o" + ":" + "M" + "i" + "c" + "h" + "i" + "G" + "r" + "o" + "s" + "s" + "@" + "t" + "-" + "o" + "n"+ "l" + "i" + "n" + "e" + "." + "d" + "e";
  }
  if (ziel == 'katja')
  {
  adresse = "m" + "a" + "i" + "l" + "t" + "o" + ":" + "K" + "a" + "t" + "j" + "a" + "." + "G" + "r" + "o" + "s" + "s" + "@" + "t" + "-" + "o" + "n"+ "l" + "i" + "n" + "e" + "." + "d" + "e";
  }  
  document.Testform.action = adresse;

  document.Testform.submit();
}