var InputStr="E-Mailadresse";
  var laenge=InputStr.length;

  function EditAnimation(hint_text)
  {
    if ( document.form1.email.value==InputStr.substr(0, laenge) && laenge > 0)
     {
       laenge--;
       document.form1.email.value=InputStr.substr(0, laenge);
       setTimeout( "EditAnimation('"+hint_text+"')", 50 );
     }
    else window.status=hint_text;
  }