var txt = "Aggiungi ai preferiti"
var url = "http://it.bestshopping.com";
var who = "Bestshopping.com"
var ver = navigator.appName
var num = parseInt(navigator.appVersion)
if ((ver == "Microsoft Internet Explorer")&&(num >= 4)) {
   document.write('<a href="javascript:window.external.AddFavorite(url,who);" class="linksmall"');
   document.write('onMouseOver=" window.status=')
   document.write("txt; return true ")
   document.write('"onMouseOut=" window.status=')
   document.write("' '; return true ")
   document.write('">'+ txt + '</a> &nbsp;')
}