homeaan = new Image();
		homeaan.src = "images/home_on.gif";
		homeuit = new Image();
		homeuit.src = "images/home_off.gif";

		marbellaaan = new Image();
		marbellaaan.src = "images/marbella_on.gif";
		marbellauit = new Image();
		marbellauit.src = "images/marbella_off.gif";

		verkoopaan = new Image();
		verkoopaan.src = "images/verkoop_on.gif";
		verkoopuit = new Image();
		verkoopuit.src = "images/verkoop_off.gif";

		servicesaan = new Image();
		servicesaan.src = "images/services_on.gif";
		servicesuit = new Image();
		servicesuit.src = "images/services_off.gif";

		verhuuraan = new Image();
		verhuuraan.src = "images/verhuur_on.gif";
		verhuuruit = new Image();
		verhuuruit.src = "images/verhuur_off.gif";

		verhuurserviceaan = new Image();
		verhuurserviceaan.src = "images/verhuurservice_on.gif";
		verhuurserviceuit = new Image();
		verhuurserviceuit.src = "images/verhuurservice_off.gif";

		contactaan = new Image();
		contactaan.src = "images/contact_on.gif";
		contactuit = new Image();
		contactuit.src = "images/contact_off.gif";

		function  img_act(imgName)
		{
        	imgOn = eval(imgName + "aan.src");
			document [imgName].src = imgOn;
		}
			
		function img_inact(imgName)
		{
        	imgOff = eval(imgName + "uit.src");
			document [imgName].src = imgOff;
		}