browserName=navigator.appName;
browserVer=parseInt(navigator.appVersion);
imgPath = "/graphics/"

if(browserVer >=3) {
        version="3";
}
else {
        version="2";
}

if (document.images) {

go1on = new Image();
go1on.src = imgPath + "go_arrow_on.gif";
go1off = new Image();
go1off.src = imgPath + "go_arrow_off.gif";
go1guff = " "

go2on = new Image();
go2on.src = imgPath + "go_arrow_on.gif";
go2off = new Image();
go2off.src = imgPath + "go_arrow_off.gif";
go2guff = " "

go3on = new Image();
go3on.src = imgPath + "go_arrow_on.gif";
go3off = new Image();
go3off.src = imgPath + "go_arrow_off.gif";
go3guff = " "

go4on = new Image();
go4on.src = imgPath + "go_arrow_on.gif";
go4off = new Image();
go4off.src = imgPath + "go_arrow_off.gif";
go4guff = " "
}


function img_act(imgName){
        if (document.images) {
                imgOn = eval(imgName + "on.src");
                document [imgName].src = imgOn;
                blurb = eval(imgName + "guff");
                self.status = blurb;
                return;
        }
}

function img_inact(imgName){
        if (document.images) {
                imgOff = eval(imgName + "off.src");
                document [imgName].src = imgOff;
                self.status = " ";
                return;
        }
}