home_off = new Image();
home_off.src = "images/nav_home_off.gif";

home_on = new Image();
home_on.src = "images/nav_home_on.gif";

about_off = new Image();
about_off.src = "images/nav_about_off.gif";

about_on = new Image();
about_on.src = "images/nav_about_on.gif";

services_off = new Image();
services_off.src = "images/nav_services_off.gif";

services_on = new Image();
services_on.src = "images/nav_services_on.gif";

infomap_off = new Image();
infomap_off.src = "images/nav_infomap_off.gif";

infomap_on = new Image();
infomap_on.src = "images/nav_infomap_on.gif";

infonet_off = new Image();
infonet_off.src = "images/nav_infonet_off.gif";

infonet_on = new Image();
infonet_on.src = "images/nav_infonet_on.gif";

contact_off = new Image();
contact_off.src = "images/nav_contactus_off.gif";

contact_on = new Image();
contact_on.src = "images/nav_contactus_on.gif";

freereports_off = new Image();
freereports_off.src = "images/nav_freereports_off.gif";

freereports_on = new Image();
freereports_on.src = "images/nav_freereports_on.gif";

intranet_off = new Image();
intranet_off.src = "images/nav_intranet_off.gif";

intranet_on = new Image();
intranet_on.src = "images/nav_intranet_on.gif";


function swap(){
if (document.images){
for (var x=0;
x<swap.arguments.length;
x+=2) {
document[swap.arguments[x]].src = eval(
swap.arguments[x+1] + ".src");
}
}
}