var detect = navigator.userAgent.toLowerCase();
var OS,browser,version,total,thestring;

browser=1;

if (checkIt('safari')) browser = "0"
else if (checkIt('omniweb')) browser = "0"
else if (checkIt('opera')) browser = "0"
else if (checkIt('webtv')) browser = "0";
else if (checkIt('icab')) browser = "0"
else if (checkIt('firefox')) browser = "1"
else if (checkIt('msie')) browser = "1";

if (!version) version = detect.charAt(place + thestring.length);

if (!OS)
{
	if (checkIt('linux')) OS = "Linux";
	else if (checkIt('x11')) OS = "Unix";
	else if (checkIt('mac')) OS = "Mac"
	else if (checkIt('win')) OS = "Windows"
	else OS = "an unknown operating system";
}

function checkIt(string)
{
	place = detect.indexOf(string) + 1;
	thestring = string;
	return place;
}

if (browser=='1') document.getElementById('nodisp').style.display='none';
else {
	for (var t=0;t<8;t++) {
		if (document.getElementById('disp'+t)) document.getElementById('disp'+t).style.display='none';
	}
}