productenon = new Image();  productenon.src = "/images/menu_producten_on.gif";
productenoff = new Image(); productenoff.src = "/images/menu_producten_off.gif";
nieuwson = new Image();  nieuwson.src = "/images/menu_nieuws_on.gif";
nieuwsoff = new Image(); nieuwsoff.src = "/images/menu_nieuws_off.gif";
klantenon = new Image();  klantenon.src = "/images/menu_klanten_on.gif";
klantenoff = new Image(); klantenoff.src = "/images/menu_klanten_off.gif";
partnerson = new Image();  partnerson.src = "/images/menu_partners_on.gif";
partnersoff = new Image(); partnersoff.src = "/images/menu_partners_off.gif";
contacton = new Image();  contacton.src = "/images/menu_contact_on.gif";
contactoff = new Image(); contactoff.src = "/images/menu_contact_off.gif";


function swap(){
	if (document.images){
		for (var x=0; x<swap.arguments.length; x+=2) {
			document[swap.arguments[x]].src = eval(swap.arguments[x+1] + ".src");
		}
	}
}