// preload images:
if (document.images) {
btn_whatis_off = new Image(134,32); btn_whatis_off.src = "images/btn_whatis_off.gif";
btn_whatis_on = new Image(134,32); btn_whatis_on.src = "images/btn_whatis_on.gif";

btn_preparation_off = new Image(82,32); btn_preparation_off.src = "images/btn_preparation_off.gif";
btn_preparation_on = new Image(82,32); btn_preparation_on.src = "images/btn_preparation_on.gif";

btn_insurance_off = new Image(73,32); btn_insurance_off.src = "images/btn_insurance_off.gif";
btn_insurance_on = new Image(73,32); btn_insurance_on.src = "images/btn_insurance_on.gif";

btn_canadian_off = new Image(115,32); btn_canadian_off.src = "images/btn_canadian_off.gif";
btn_canadian_on = new Image(115,32); btn_canadian_on.src = "images/btn_canadian_on.gif";

btn_about_off = new Image(59,32); btn_about_off.src = "images/btn_about_off.gif";
btn_about_on = new Image(59,32); btn_about_on.src = "images/btn_about_on.gif";
}

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