function preloadAll(srcs) {
    for (i = 0; i < srcs.length; i++) {
        src = srcs[i];
        srcs[i] = new Image();
        srcs[i].src = src;
    }
}

preloadAll(
    [
    	"../img/bk_downtop.jpg", "../img/bk_login.gif", "../img/bk_nieuws.gif", "../img/bk_top.gif", "../img/bk_top1.gif", 
		"../img/mn_bestellen.gif", "../img/mn_bestellen_a.gif", "../img/mn_contact.gif",
		"../img/mn_contact_a.gif", "../img/mn_home.gif", "../img/mn_home_a.gif", "../img/mn_nieuws.gif", "../img/mn_nieuws_a.gif", "../img/mn_producten.gif",
		"../img/mn_mn_producten_a.gif", "../img/mn_service.gif", "../img/mn_service_a.gif", "../img/mn_spirair.gif", "../img/mn_spirair_a.gif",
		"../img/mn_projecten.gif", "../img/mn_projecten_a.gif", "../img/mn_projecten_o.gif",
		"../img/dc_arrow.gif", "../img/dc_regelthet.gif", "../img/dc_grayDot.gif"
    ]
)