// preload images:
if (document.images) {

homeoff = new Image(51,20); homeoff.src = "http://www.visitusacanada.org/images/homeoff.gif";
homeon = new Image(51,20); homeon.src = "http://www.visitusacanada.org/images/homeon.gif";

mainoff = new Image(45,20); mainoff.src = "http://www.visitusacanada.org/images/mainoff.gif";
mainon = new Image(45,20); mainon.src = "http://www.visitusacanada.org/images/mainon.gif";

docoff = new Image(78,20); docoff.src = "http://www.visitusacanada.org/images/docoff.gif";
docon = new Image(78,20); docon.src = "http://www.visitusacanada.org/images/docon.gif";

tradeoff = new Image(87,20); tradeoff.src = "http://www.visitusacanada.org/images/tradeoff.gif";
tradeon = new Image(87,20); tradeon.src = "http://www.visitusacanada.org/images/tradeon.gif";

awardoff = new Image(129,20); awardoff.src = "http://www.visitusacanada.org/images/awardoff.gif";
awardon = new Image(129,20); awardon.src = "http://www.visitusacanada.org/images/awardon.gif";

tiaoff = new Image(173,20); tiaoff.src = "http://www.visitusacanada.org/images/tiaoff.gif";
tiaon = new Image(173,20); tiaon.src = "http://www.visitusacanada.org/images/tiaon.gif";

whosoff = new Image(157,20); whosoff.src = "http://www.visitusacanada.org/images/whosoff.gif";
whoson = new Image(157,20); whoson.src = "http://www.visitusacanada.org/images/whoson.gif";

}

function hiLite(imgName,imgObjName) {
if (document.images) {
  document.images[imgName].src = eval(imgObjName + ".src");
}}