// ROLLOVERS

if (document.images) {

img1on = new Image();
img1on.src = "images-nav/principals_on.gif";

img1off = new Image();
img1off.src = "images-nav/principals_off.gif";

img2on = new Image();
img2on.src = "images-nav/companies_on.gif";

img2off = new Image();
img2off.src = "images-nav/companies_off.gif";

img3on = new Image();
img3on.src = "images-nav/news_on.gif";

img3off = new Image();
img3off.src = "images-nav/news_off.gif";

img4on = new Image();
img4on.src = "images-nav/directions_on.gif";

img4off = new Image();
img4off.src = "images-nav/directions_off.gif";

img5on = new Image();
img5on.src = "images-nav/contact_on.gif";

img5off = new Image();
img5off.src = "images-nav/contact_off.gif";

img55on = new Image();
img55on.src = "images-nav/news_on.gif";

img55off = new Image();
img55off.src = "images-nav/news_off.gif";

}


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

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