useRollovers = false;
imageRoot = "";

// check browser compatibility for rollovers
function initializeRollover(imageRootFromASP) {
  bName = navigator.appName;
  bVer = parseInt(navigator.appVersion);

  imageRoot = imageRootFromASP;
  if ((bName == "Netscape" && bVer >= 3) || (bName == "Microsoft Internet Explorer" && bVer >= 4)) {
    useRollovers = true;

    image1on = new Image(); image1on.src = imageRoot + "/nav_staff_on.gif";
    image2on = new Image(); image2on.src = imageRoot + "/nav_services_on.gif";
    image3on = new Image(); image3on.src = imageRoot + "/nav_insurance_on.gif";
    image4on = new Image(); image4on.src = imageRoot + "/nav_faq_on.gif";
    image5on = new Image(); image5on.src = imageRoot + "/nav_sponsors_on.gif";
  
    image1off = new Image(); image1off.src = imageRoot + "/nav_staff_off.gif";
    image2off = new Image(); image2off.src = imageRoot + "/nav_services_off.gif";
    image3off = new Image(); image3off.src = imageRoot + "/nav_insurance_off.gif";
    image4off = new Image(); image4off.src = imageRoot + "/nav_faq_off.gif";
    image5off = new Image(); image5off.src = imageRoot + "/nav_sponsors_off.gif";

    image1pic = new Image(); image1pic.src = imageRoot + "/nav_staff_pic.gif";
    image2pic = new Image(); image2pic.src = imageRoot + "/nav_services_pic.gif";
    image3pic = new Image(); image3pic.src = imageRoot + "/nav_insurance_pic.gif";
    image4pic = new Image(); image4pic.src = imageRoot + "/nav_faq_pic.gif";
    image5pic = new Image(); image5pic.src = imageRoot + "/nav_sponsors_pic.gif";
  }
}

function imgAct(imageName) {
  if (useRollovers) {
    document[imageName].src = eval(imageName + "on.src");
    document["holder"].src = eval(imageName + "pic.src");
  }
}

function imgInact(imageName) {
  if (useRollovers) {
    document[imageName].src = eval(imageName + "off.src");
    document["holder"].src = imageRoot + "/holder-pic.gif";
  }
}