var gspop = new Image();
gspop.src = "../images/nav/gspop.png";

var edpop = new Image();
edpop.src = "../images/nav/edpop.png";

var sdpop = new Image();
sdpop.src = "../images/nav/sdpop.png";

var hlpop = new Image();
hlpop.src = "../images/nav/sdpop.png";

var adpop = new Image();
adpop.src = "../images/nav/sdpop.png";

var Gov = new Image();
Gov.src = "../images/nav/governmentservices_on.gif";

var City = new Image();
City.src = "../images/nav/experienceduvall_on.gif";

var Shop = new Image();
Shop.src = "../images/nav/shopduvall_on.gif";

var Hl = new Image();
Hl.src = "../images/nav/helpfullinks_on.gif";

var Duv = new Image();
Duv.src = "../images/nav/aboutduvall_on.gif";

var imag = new Array()
imag[0] = "images/nav/governmentservices.gif"
imag[1] = "images/nav/governmentservices_on.gif"
imag[2] = "images/nav/experienceduvall.gif"
imag[3] = "images/nav/experienceduvall_on.gif"
imag[4] = "images/nav/shopduvall.gif"
imag[5] = "images/nav/shopduvall_on.gif"
imag[6] = "images/nav/helpfullinks.gif"
imag[7] = "images/nav/helpfullinks_on.gif"
imag[8] = "images/nav/aboutduvall.gif"
imag[9] = "images/nav/aboutduvall_on.gif"

function SwitchImage(sImage, sNewImage)
{
    document.images[sImage].src = sNewImage; 
}