browserName = navigator.appName;
browserVer = parseInt(navigator.appVersion);

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

function doPic01(imgName) {
if (ns3up || ie4up) {
imgOn = ("" + imgName);
document.mainpic01.src = imgOn;
   }
}

function doPic02(imgName) {
if (ns3up || ie4up) {
imgOn = ("" + imgName);
document.mainpic02.src = imgOn;
   }
}

function doPic03(imgName) {
if (ns3up || ie4up) {
imgOn = ("" + imgName);
document.mainpic03.src = imgOn;
   }
}

function doPic04(imgName) {
if (ns3up || ie4up) {
imgOn = ("" + imgName);
document.mainpic04.src = imgOn;
   }
}

function doPic05(imgName) {
if (ns3up || ie4up) {
imgOn = ("" + imgName);
document.mainpic05.src = imgOn;
   }
}

function doPic06(imgName) {
if (ns3up || ie4up) {
imgOn = ("" + imgName);
document.mainpic06.src = imgOn;
   }
}

function doPic07(imgName) {
if (ns3up || ie4up) {
imgOn = ("" + imgName);
document.mainpic07.src = imgOn;
   }
}

function doPic08(imgName) {
if (ns3up || ie4up) {
imgOn = ("" + imgName);
document.mainpic08.src = imgOn;
   }
}

function doPic09(imgName) {
if (ns3up || ie4up) {
imgOn = ("" + imgName);
document.mainpic09.src = imgOn;
   }
}

function doPic10(imgName) {
if (ns3up || ie4up) {
imgOn = ("" + imgName);
document.mainpic10.src = imgOn;
   }
}