var ua, 
       topOffset = 44, 
       subOffset=topOffset+100, 
       shiftMinimize=0; 

window.onload = doLoad;
//--------------------------------------------------------------------------
function doLoad() 
{
switch (navigator.appName)
{
case "Netscape": ua="NN"; break;
case "Microsoft Internet Explorer": ua="IE"; break;
default: ua=""; return;
}
setInterval("moveMenu()", 30);
}
//--------------------------------------------------------------------------
function moveMenu() 
{
var shiftPage, diff;
if(ua=="IE") 
{
shiftPage=document.body.scrollTop;
}
else if(ua=="NN") 
{
shiftPage=window.pageYOffset;
}
else 
{
return;
}
if(shiftPage != shiftMinimize)
{
dif=(shiftPage-shiftMinimize)>>2;
if(dif) 
{
shiftMinimize+=dif;
}
else 
{
shiftMinimize=shiftPage;
}
if(ua=="IE")
{
document.all.Minimize.style.pixelTop=shiftMinimize+topOffset;
}
if(ua=="NN") 
{
document.layers.Minimize.y=shiftMinimize+topOffset;
}
}
}
//--------------------------------------------------------------------------