bName = navigator.appName;
   bVer=parseInt(navigator.appVersion);
   if ((bName == "Netscape" && bVer>=3) ||
   (bName == "Microsoft Internet Explorer" && bVer >=3)) br="n3";
   else br="n2";
   //create image objects, preload all active and inactive images.
   if (br== "n3") {
img01on = new Image();
img01on.src= "/psacentral/images/menu_home_over.gif";
img02on = new Image();
img02on.src= "/psacentral/images/menu_admin_over.gif";

img102on = new Image();
img102on.src= "/psacentral/images/menu_regionalNews_over.gif";

img103on = new Image();
img103on.src= "/psacentral/images/menu_regionalAdmin_over.gif";


img03on = new Image();
img03on.src= "/psacentral/images/menu_reports_over.gif";
img04on = new Image();
img04on.src= "/psacentral/images/menu_myProfile_over.gif";
img05on = new Image();
img05on.src= "/psacentral/images/menu_faqs_over.gif";
img06on = new Image();
img06on.src= "/psacentral/images/menu_contact_over.gif";
img07on = new Image();
img07on.src= "/psacentral/images/menu_privacyPolicy_over.gif";
img08on = new Image();
img08on.src= "/psacentral/images/menu_termsOfUse_over.gif";
img09on = new Image();
img09on.src= "/psacentral/images/menu_logOut_over.gif";
img10on = new Image();
img10on.src= "/psacentral/images/menu_adcouncil_over.gif";


img01off = new Image();
img01off.src= "/psacentral/images/menu_home.gif";
img02off = new Image();
img02off.src= "/psacentral/images/menu_admin.gif";

img102off = new Image();
img102off.src= "/psacentral/images/menu_regionalNews.gif";

img103off = new Image();
img103off.src= "/psacentral/images/menu_regionalAdmin.gif";


img03off = new Image();
img03off.src= "/psacentral/images/menu_reports.gif";
img04off = new Image();
img04off.src= "/psacentral/images/menu_myProfile.gif";
img05off = new Image();
img05off.src= "/psacentral/images/menu_faqs.gif";
img06off = new Image();
img06off.src= "/psacentral/images/menu_contact.gif";
img07off = new Image();
img07off.src= "/psacentral/images/menu_privacyPolicy.gif";
img08off = new Image();
img08off.src= "/psacentral/images/menu_termsOfUse.gif";
img09off = new Image();
img09off.src= "/psacentral/images/menu_logOut.gif";
img10off = new Image();
img10off.src= "/psacentral/images/menu_adcouncil.gif";


}
function imgAct(imgName) {
if (br == "n3") {
document[imgName].src = eval(imgName + "on.src");
}
}
function imgInact(imgName) {
if (br == "n3") {
document[imgName].src = eval(imgName + "off.src");
}
}