function addbookmark() {
  if (document.all && parseInt(navigator.appVersion) >= 4) {
    document.write("<font face=Verdana size=2 color=silver>- Klick in der nächsten Zeile auf Bookmark, um meine Homepage zu Deinen Favoriten hinzuzufügen. -<br>");
    document.write('<a href="javascript:window.external.AddFavorite(document.location.toString(),document.title);"><i><font size="+2" color="silver"><b>Bookmark</b></font></i></a> my homepage now!</font><br>');
  } else {
    document.write("<font face=Verdana size=2 color=silver>- Use (Ctrl+D) to bookmark my home page now. -<br>");
    document.write("<font face=Verdana size=2 color=silver>- Drücke (Strg+D), um meine Homepage zu Deinen Favoriten hinzuzufügen. -<br>");
  }
}

function my_private_sphere() {
 var Password = "myprivatesphere";
 var TheInput = window.prompt("Enter your Password:","");
 if(TheInput != Password) {
   alert("Wrong Password!");
   my_private_sphere();
 }
}