var name = navigator.appName;
var vers = navigator.appVersion;
vers = vers.substring(0,1); // or 0,4  could return 4.5 instead of just 4

if (name == "Microsoft Internet Explorer")  {

} else if (vers < 5) {

//url="netscape";
//url += vers + ".html";
window.location="netscape477_or_older.html";
}




<!--
var myimages=new Array()
function preloadimages(){
for (i=0;i<preloadimages.arguments.length;i++){
myimages[i]=new Image()
myimages[i].src=preloadimages.arguments[i]
}
}

preloadimages("images/1_bignew.jpg","images/2_bignew_18.jpg","images/3_bignew.jpg","images/4_bignew.jpg","images/5_bignew.jpg",
"images/6_bignew.jpg","images/7_bignew.jpg","images/8_bignew.jpg")

// End -->

<!-- preload all images above for rollovers -->


<!-- Begin
function movepic(img_name,img_src) {
document[img_name].src=img_src;
}
// End -->



<!-- date for copyright -->

<!--
function makeArray() {
     for (i = 0; i<makeArray.arguments.length; i++)
          this[i + 1] = makeArray.arguments[i];
}

var months = new makeArray('January','February','March',
    'April','May','June','July','August','September',
    'October','November','December');

var date = new Date();
var day  = date.getDate();
var month = date.getMonth() + 1;
var yy = date.getYear();
var year = (yy < 1000) ? yy + 1900 : yy;
//-->