var browserName = navigator.appName; 
var browserVer  = navigator.appVersion;
var os          = navigator.platform;

if (os.indexOf("Win32") > -1)
{
//	alert(browserName + "/" + browserVer);
	if (browserName == "Microsoft Internet Explorer")
	{
		var arVersion = navigator.appVersion.split("MSIE");
		var version = parseFloat(arVersion[1]);
		
		if (version < 8.0) location.href = "browser/index-ie.html";
	}
	/*
	else if (browserName == "Netscape")
	{
		var version = parseFloat(browserVer);
		if (version < 5.0)
		{
			if (browserVer.indexOf("AppleWebKit") == -1)
			{
				location.href = "browser/index-ff.html";
			}
			else
			{
				location.href = "browser/index-sf.html";
			}
		}
	}
	else if (browserName == "Opera")
	{
		var version = parseFloat(browserVer);
		if (version < 8) location.href = "browser/index-op.html";
	}
	*/
}