function bookmark()
{
if ((typeof window.external == "object") && (typeof window.external.AddFavorite != "undefined")) {
var bookmarkurl="http://" + window.location.host + window.location.pathname;
var bookmarktitle=document.title;
window.external.AddFavorite(bookmarkurl,bookmarktitle);}
else {alert("Het bookmarken van de pagina is mislukt.");}
}
function ident(a, b) {
	var c,d,i;
	if(!b) b=document;
	if((c=a.indexOf("?"))>0&&parent.frames.length) {
		b=parent.frames[a.substring(c+1)].document;
		a=a.substring(0,c);}
	if(!(d=b[a])&&b.all) d=b.all[a];
	for (i=0;!d&&i<b.forms.length;i++) d=b.forms[i][a];
	for(i=0;!d&&b.layers&&i<b.layers.length;i++) d=ident(a,b.layers[i].document);
	if(!d && b.getElementById) d=b.getElementById(a);
	return d;
}