// browser detection
version = 1
browserName = navigator.appName;           
browserVer = parseInt(navigator.appVersion); 
if (browserName == "Netscape" && browserVer >= 3) version = "3";
if (browserName == "Microsoft Internet Explorer" && browserVer >=3) version = "3";
if (version == "3")                   
{       // define and preload the images
        img1off = new Image();
        img1off.src = "grfx/blank.gif";
        img1on = new Image();
        img1on.src = "grfx/text1-0904.gif";
        img1linkon = new Image();
        img1linkon.src = "grfx/text2-0904.gif";
        }       // end defining images
// function for mouse over images
function img_act(imgName) {
        if (version == "3") {
        imgOn = eval(imgName + "on.src");
        document [imgName].src = imgOn;
    }
}
// function for mouse off images
function img_inact(imgName) {
        if (version == "3") {
        imgOff = eval(imgName + "off.src");
        document [imgName].src = imgOff;
    }
}
// function for mouse over link
function link_act(imgName) {
        if (version == "3") {
        linkOn = eval(imgName + "linkon.src");
        document [imgName].src = linkOn;
    }
}