If it is required to add a facility on the webpage that users can click a button on the website and it will open up bookmark option. Following is the code that will perform this task.
<html>
<body>
<SCRIPT LANGUAGE="JavaScript">
function bookmark(url, description)
{
if (navigator.appName=='Microsoft Internet Explorer')
{
window.external.AddFavorite(url, description);
}
else
{
alert('This option works with IE only as of now.');
}
}
</SCRIPT>
<input type="Button" ID="btnBookMark" onClick="bookmark('http://mypage.aspx','MyWebsite')" value="Bookmark" />
</body>
</html>
-And if you want it work in IE and firefox as well:
function addToBookMarks()
{
if(document.all)
window.external.AddFavorite(location.href,document.title);
else if(window.sidebar)window.sidebar.addPanel (document.title,location.href,'');
}