if (document.images) {
var aboutusoff = new Image(100, 30);
aboutusoff.src = "media/aboutus_off.gif";
var aboutuson = new Image(100, 30);
aboutuson.src = "media/aboutus_on.gif";
			
var beachchairsoff = new Image(100, 30);
beachchairsoff.src = "media/beachchairs_off.gif";
var beachchairson = new Image(100, 30);
beachchairson.src = "media/beachchairs_on.gif";

var beachumbrellasoff = new Image(100, 30);
beachumbrellasoff.src = "media/beachumbrellas_off.gif";
var beachumbrellason = new Image(100, 30);
beachumbrellason.src = "media/beachumbrellas_on.gif";
			
var beachcabanasoff = new Image(100, 30);
beachcabanasoff.src = "media/beachcabanas_off.gif";
var beachcabanason = new Image(100, 30);
beachcabanason.src = "media/beachcabanas_on.gif";

var beachwareoff = new Image(100, 30);
beachwareoff.src = "media/beachware_off.gif";
var beachwareon = new Image(100, 30);
beachwareon.src = "media/beachware_on.gif";

var colorsoff = new Image(100, 30);
colorsoff.src = "media/colors_off.gif";
var colorson = new Image(100, 30);
colorson.src = "media/colors_on.gif";

var pricingoff = new Image(100, 30);
pricingoff.src = "media/pricing_off.gif";
var pricingon = new Image(100, 30);
pricingon.src = "media/pricing_on.gif";
			
var shippingoff = new Image(100, 30);
shippingoff.src = "media/shipping_off.gif";
var shippingon = new Image(100, 30);
shippingon.src = "media/shipping_on.gif";
			
var contactusoff = new Image(100, 30);
contactusoff.src = "media/contactus_off.gif";
var contactuson = new Image(100, 30);
contactuson.src = "media/contactus_on.gif";}

function img_act(imgName){
if (document.images) {
imgOn = eval(imgName + "on.src");
document [imgName].src = imgOn;}
}

function img_inact(imgName){
if (document.images) {
imgOff = eval(imgName + "off.src");
document [imgName].src = imgOff;}
}