function pre() {
		img_1a = new Image(); img_1a.src = "/fryslan/img/menu/nieuws.blue.white.gif";
		img_1b = new Image(); img_1b.src = "/fryslan/img/menu/nieuws.blue.red.gif";
		img_2a = new Image(); img_2a.src = "/fryslan/img/menu/overons.blue.white.gif";
		img_2b = new Image(); img_2b.src = "/fryslan/img/menu/overons.blue.red.gif";
		img_3a = new Image(); img_3a.src = "/fryslan/img/menu/afdelingen.blue.white.gif";
		img_3b = new Image(); img_3b.src = "/fryslan/img/menu/afdelingen.blue.red.gif";
		img_4a = new Image(); img_4a.src = "/fryslan/img/menu/vrijwilligers.blue.white.gif";
		img_4b = new Image(); img_4b.src = "/fryslan/img/menu/vrijwilligers.blue.red.gif";
		img_5a = new Image(); img_5a.src = "/fryslan/img/menu/vluchtelingen.blue.white.gif";
		img_5b = new Image(); img_5b.src = "/fryslan/img/menu/vluchtelingen.blue.red.gif";
		img_6a = new Image(); img_6a.src = "/fryslan/img/menu/bibliotheek.blue.white.gif";
		img_6b = new Image(); img_6b.src = "/fryslan/img/menu/bibliotheek.blue.red.gif";
		img_7a = new Image(); img_7a.src = "/fryslan/img/menu/contact.blue.white.gif";
		img_7b = new Image(); img_7b.src = "/fryslan/img/menu/contact.blue.red.gif";
		img_8a = new Image(); img_8a.src = "/fryslan/img/menu/links.blue.white.gif";
		img_8b = new Image(); img_8b.src = "/fryslan/img/menu/links.blue.red.gif";
	}

	function foc(frm, elm) {
		if (document.forms.length > 0) {
			document.forms[frm].elements[elm].focus();
		}
	}

	function cnf() {
		return confirm("Weet je zeker dat je wilt verwijderen?");
	}

	function eml(txt, usr, dom, sbj) {
		if (txt == "") {txt = usr+"@"+dom;}
		if (sbj != "") {sbj = "?subject="+sbj;}
		document.write("<a href=\"mailto:"+usr+"&#64;"+dom+sbj+"\">"+txt+"</a>");
	}