Book Mark Using java script

----------javascript--------------------

function bookmarksite(title, url) {

if (window.sidebar) // firefox
window.sidebar.addPanel(title, url, "");
else if (window.opera && window.print) { // If browser is opera
var elem = document.createElement('a');
elem.setAttribute('href', url);

elem.setAttribute('title', title);
elem.setAttribute('rel', 'sidebar');
elem.click();
}


else if (document.all)// If browser is ie

window.external.AddFavorite(url, title);

}


----------Link------------------------
a href="javascript:bookmarksite(location.href, location.href)"