bName = navigator.appName;
bVer = parseInt(navigator.appVersion);
if (bName == "Netscape" && bVer >= 3) ver = "n3";
else if (bName == "Netscape" && bVer == 2) ver = "n2";
else if (bName == "Microsoft Internet Explorer" && bVer >= 3) ver = "n3";
else if (bName == "Microsoft Internet Explorer" && bVer < 3) ver = "n2";

if (ver != "n2") {
buttonoff = new Image( );
buttonoff.src = "../pics/back2foi.png";
buttonon = new Image ( );
buttonon.src = "../pics/foi_elegant.png";
} else {
buttonoff = "";
buttonon = "";
}
function changeImage(imagename,imagesrc) {
if (ver == "n2") return false;
document.images[imagename].src=imagesrc.src;
return true;
}
//