<!--
browserName = navigator.appName;
browserVer = parseInt(navigator.appVersion);

ns3up = (browserName == "Netscape" && browserVer >= 3);
ie4up = (browserName.indexOf("Microsoft") >= 0 && browserVer >= 4);

function doPic(imgName,width,height) {
if (ns3up || ie4up) {
imgOn = ("" + imgName);
widthOn = ("" + width);
heightOn = ("" + height);
document.mainpic.src = imgOn;
document.mainpic.width = widthOn;
document.mainpic.height = heightOn;
   }
}
// -->