nav_deadlines_off = new Image();
nav_deadlines_off.src = "img/nav-deadlines-off.gif";
nav_deadlines_on = new Image();
nav_deadlines_on.src = "img/nav-deadlines-on.gif";

nav_information_off = new Image();
nav_information_off.src = "img/nav-information-off.gif";
nav_information_on = new Image();
nav_information_on.src = "img/nav-information-on.gif";

nav_clients_off = new Image();
nav_clients_off.src = "img/nav-clients-off.gif";
nav_clients_on = new Image();
nav_clients_on.src = "img/nav-clients-on.gif";

nav_contact_off = new Image();
nav_contact_off.src = "img/nav-contact-off.gif";
nav_contact_on = new Image();
nav_contact_on.src = "img/nav-contact-on.gif";

nav_services_off = new Image();
nav_services_off.src = "img/nav-services-off.gif";
nav_services_on = new Image();
nav_services_on.src = "img/nav-services-on.gif";

nav_staff_off = new Image();
nav_staff_off.src = "img/nav-staff-off.gif";
nav_staff_on = new Image();
nav_staff_on.src = "img/nav-staff-on.gif";

nav_home_off = new Image();
nav_home_off.src = "img/nav-home-off.gif";
nav_home_on = new Image();
nav_home_on.src = "img/nav-home-on.gif";

function navChange(button,mode) {
	document[button].src = eval(button + "_" + mode + ".src");
}