var topOfPageMsg='<a href="#" class="top">Top of Page</a>';

var ie4=document.all&&navigator.userAgent.indexOf("Opera")==-1;
var ns6=document.getElementById&&navigator.userAgent.indexOf("Opera")==-1;
var ns4=document.layers;
lC=(ie4)? document.body.scrollHeight : document.height;
rC=(ie4)? document.body.clientHeight : window.innerHeight-20;
if(lC>rC) {
document.write(topOfPageMsg);
}
var agt=navigator.userAgent.toLowerCase();
function nsReload() { window.location.reload(); }
function reLoad() {
if (ns4&&(agt.indexOf("win")!=-1)) {
setTimeout("window.onresize=nsReload", 500);
}
}
if(ns4) {
reLoad();
}
else if(ie4) {
window.onresize=new Function("window.location.reload()");
}