browserName = navigator.appName;
browserVer = parseInt(navigator.appVersion);
browserOs = navigator.platform;
// Browser,Ver dispatch
nn3up = (browserName == "Netscape" && (browserVer >= 3 && browserVer <= 4));
ie4up = (browserName.indexOf("Microsoft") >= 0 && browserVer >= 4);
nn6 = (browserName == "Netscape" && browserVer >= 5);
if(navigator.appVersion.indexOf("Mac") > 1){
if(ie4up){
// Mac IE
document.write("");
}
if(nn6){
// MacNN6
document.write("");
}
if(nn3up){
// Mac NN Lower Ver.
document.write("");
}
}else{
if(ie4up){
// WIN IE
document.write("");
}
if(nn6){
// WIN NN6
document.write("");
}
if(nn3up){
// WIN NN Lower Ver.
document.write("");
}
}