homeon = new Image();
homeon.src = "images/home_on.gif";
homeoff = new Image();
homeoff.src = "images/home_off.gif";

abouton = new Image();
abouton.src = "images/about_on.gif";
aboutoff = new Image();
aboutoff.src = "images/about_off.gif";

serviceson = new Image();
serviceson.src = "images/services_on.gif";
servicesoff = new Image();
servicesoff.src = "images/services_off.gif";

articleson = new Image();
articleson.src = "images/articles_on.gif";
articlesoff = new Image();
articlesoff.src = "images/articles_off.gif";

linkson = new Image();
linkson.src = "images/links_on.gif";
linksoff = new Image();
linksoff.src = "images/links_off.gif";

contacton = new Image();
contacton.src = "images/contact_on.gif";
contactoff = new Image();
contactoff.src = "images/contact_off.gif";

pamelaon = new Image();
pamelaon.src = "images/pb_on.gif";
pamelaoff = new Image();
pamelaoff.src = "images/pb_off.gif";

colleenon = new Image();
colleenon.src = "images/ch_on.gif";
colleenoff = new Image();
colleenoff.src = "images/ch_off.gif";

catherineon = new Image();
catherineon.src = "images/ch2_on.gif";
catherineoff = new Image();
catherineoff.src = "images/ch2_off.gif";

annieon = new Image();
annieon.src = "images/aj_on.gif";
annieoff = new Image();
annieoff.src = "images/aj_off.gif";

// On function
function imgAct(imgName) {
    document[imgName].src = eval(imgName + "on.src");
}

// Off function
function imgInact(imgName) {
    document[imgName].src = eval(imgName + "off.src");
}