function set_hp() {  
	if(document.all)
		document.body.style.behavior='url(#default#homepage)';

	document.body.setHomePage('http://www.parkgroup.it');
}

function add_b(){
	bookmarkurl="http://www.parkgroup.it"
	bookmarktitle="ParkGroup S.r.l."
	if (document.all)
		window.external.AddFavorite(bookmarkurl,bookmarktitle)
}