function addbookmark(url,desc){
	var bookmarkurl = url;
	var bookmarktitle = desc;
	var none = 'Deze functie wordt niet ondersteund!';
	
	if (window.sidebar) {
		window.sidebar.addPanel(bookmarktitle,bookmarkurl,"");
	} else if(document.all){
		window.external.AddFavorite(bookmarkurl,bookmarktitle);
	} else {
		alert(none);
	}
}