function newImage(arg) {
	        if (document.images) {
		        rslt = new Image();
		        rslt.src = arg;
		        return rslt;
	        }
        }

function changeImages() {
	        if (document.images && (preloadFlag == true)) {
		        for (var i=0; i<changeImages.arguments.length; i+=2) {
			        document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		        }
	        }
        }

        var preloadFlag = false;
function preloadImages() {
	        if (document.images) {
		        menu_kathy_over = newImage("../img/menu_kathy_over.jpg");
		        menu_producten_over = newImage("../img/menu_producten_over.jpg");
		        menu_nieuws_over = newImage("../img/menu_nieuws_over.jpg");
		        menu_pers_over = newImage("../img/menu_pers_over.jpg");
		        menu_bedrijf_over = newImage("../img/menu_bedrijf_over.jpg");
		        menu_chocolade_over = newImage("../img/menu_chocolade_over.jpg");
		        menu_vacatures_over = newImage("../img/menu_vacatures_over.jpg");
		        menu_contact_over = newImage("../img/menu_contact_over.jpg");
		        menu_ligging_over = newImage("../img/menu_ligging_over.jpg");
		        
		      	menu_kathy_over_g = newImage("../img/menu_kathy_over_g.jpg");
		        menu_producten_over_g = newImage("../img/menu_producten_over_g.jpg");
		        menu_nieuws_over_g = newImage("../img/menu_nieuws_over_g.jpg");
		        menu_pers_over_g = newImage("../img/menu_pers_over_g.jpg");
		        menu_bedrijf_over_g = newImage("../img/menu_bedrijf_over_g.jpg");
		        menu_chocolade_over_g = newImage("../img/menu_chocolade_over_g.jpg");
		        menu_vacatures_over_g = newImage("../img/menu_vacatures_over_g.jpg");
		        menu_contact_over_g = newImage("../img/menu_contact_over_g.jpg");
		        menu_ligging_over_g = newImage("../img/menu_ligging_over_g.jpg");
		        preloadFlag = true;
	        }
        }