//
//  This JavaScript defines a number of images for implementing the "flashing" effect.
//  Flashing is done by a function called "hiLite" as shown belown.
//
// test browser for compatibility
//browserName = navigator.appName;
browserVer = parseInt(navigator.appVersion);
//if (browserName == "Netscape" && browserVer >= 3) version = "1";
if (browserVer >= 3) version = "1";

else version = "2";
//preload images:
if (version == "1") {

clickme1 = new Image(170,23);
clickme1.src ="/images/tab_without_flash.gif";
clickme1f = new Image(170,23);
clickme1f.src ="/images/tab_without_flash_on.gif";

}

function hiLite(imgDocID,imgObjName) {
if (version == "1") {
document.images[imgDocID].src = eval(imgObjName + ".src")
}
}

<!-- hide from JavaScript-challenged browsers
function openWindow(url) {
  popupWin = window.open(url,'new_page','width=400,height=400')
}
function openWindow2(url) {
  popupWin = window.open(url,'new_page','width=400,height=450')
}
function openWindow3(url) {
  popupWin = window.open(url,'new_page','width=400,height=250,scrollbars=yes')
}
function openWindow4(url) {
  popupWin = window.open(url,'new_page','width=400,height=525')
}
// done hiding -->