var navDir = "/images/navigation/";
/*
var fam_on = new Image(80,20);
fam_on.src = navDir + "famon.gif";
var fam_off = new Image(80,20);
fam_off.src = navDir + "famoff.gif";
var car_on = new Image(70,20);
car_on.src = navDir + "caron.gif";
var car_off = new Image(70,20);
car_off.src = navDir + "caroff.gif";
var hob_on = new Image(80,20);
hob_on.src = navDir + "hobon.gif";
var hob_off = new Image(80,20);
hob_off.src = navDir + "hoboff.gif";
var ter_on = new Image(80,20);
ter_on.src = navDir + "teron.gif";
var ter_off = new Image(80,20);
ter_off.src = navDir + "teroff.gif";
*/

var start_on = new Image(200,20);
start_on.src = navDir + "starton.gif";
var start_off = new Image(200,20);
start_off.src = navDir + "startoff.gif";

function navOn(navImg) {onSrc = navDir + navImg + "on.gif";document.images[navImg].src = onSrc;}

function navOff(navImg) {offSrc = navDir + navImg + "off.gif";document.images[navImg].src = offSrc;}