// detect browser type and whether Macintosh or not
var v_browser_ie = false, v_browser_ns = false, v_browser_ns6 = false;
var v_browser_mac = (navigator.userAgent.toLowerCase().indexOf("mac") != -1) ? true : false;

if (navigator.appName == "Netscape")
{
	v_browser_ns = true;
	v_browser_ns6 = (document.getElementById) ? true : false;
}
else
{
	v_browser_ie = true;
}

// when window is resized, Netscape 4 must reload page
var v_winOldH = window.innerHeight;
var v_winOldW = window.innerWidth;
if (v_browser_ns && !v_browser_ns6)
{
	window.onresize = f_winOnResizeNN4;
}
function f_winOnResizeNN4()
{
	if (window.innerWidth != v_winOldW || window.innerHeight != v_winOldH)
		location.reload();
}