function lkhd(alias,dmn)
{
 switch(alias)
 {
  case 'xm':
   alias = 'x.muster'; 
  break;
 }

 switch(dmn)
 {
  case 'isys.de':
   dmn = 'ifasystems.de'; 
  break;
 }
 lk   = String.fromCharCode(109,97,105,108,116,111,58) + alias +
        String.fromCharCode(105,102,97,115,121,115,122,69,77,83,46,100,101) +
        "?subject=Mail%20von%20www." + dmn;
 window.location.href(lk);

}