<!--//

browserName = navigator.appName;
browserVer = parseInt(navigator.appVersion);
        if (browserName == "Netscape" && browserVer >= 3 || browserName == "Microsoft Internet Explorer" && browserVer>=4)
        	version = "n3";
        else
        	version = "x";


function img_act(imgName)
{
        if (version == "n3")
        {
        imgOn = eval(imgName + "on.src");
        document [imgName].src = imgOn;

         }
}

function img_inact(imgName)
{
        if (version == "n3")
        {
        imgOff = eval(imgName + "off.src");
        document [imgName].src = imgOff;
        }
}

// -->