How i Bookmark WebPage Through Java Applet & JavaScript

Here's the code:

<SCRIPT>
if ((navigator.appVersion.indexOf("MSIE") > 0) && (parseInt(navigator.appVersion) >= 4)) {
document.write("<SPAN STYLE='color:#006; cursor:hand; text-decoration: underline; font-weight:bold; font-size:9pt; font-family:Arial;' onclick='window.external.AddFavorite(window.parent.location.href, window.parent.document.title);'><center>Add Intellectual Capital to your favorites!</center></SPAN>");
}
</SCRIPT>