/* Controle zoek knop */
function app_for_key_submit(app_val_text,app_val_text_emtpy) {
	if (document.app_for_key.k.value == '' || document.app_for_key.k.value == app_val_text || document.app_for_key.k.value == app_val_text_emtpy){
		document.app_for_key.k.value = app_val_text_emtpy; document.app_for_key.k.style.color = '#FF0000';
	} else {document.app_for_key.submit();}
}

/* Favorieten beheer */
function bookmark() {
	if (window.sidebar) { // Mozilla Firefox 
        window.sidebar.addPanel(document.title, document.location.href + "", "", "", "");
    } else {
        if (window.external) { // Internet Explorer
           window.external.AddFavorite(document.location.href + "", document.title);
     	} else {
        if (window.opera && window.print) { // Opera
           	window.alert("kies toetsencombinatie CTRL + T om " + document.title + " als favoriet toe te voegen.");
     	}
     	}
	}
}