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

if (checkIt('konqueror'))
{
	browser = "Konqueror";
	OS = "Linux";
}
else if (checkIt('safari')) browser = "Safari";
else if (checkIt('omniweb')) browser = "OmniWeb";
else if (checkIt('opera')) browser = "Opera";
else if (checkIt('webtv')) browser = "WebTV";
else if (checkIt('icab')) browser = "iCab";
else if (checkIt('msie')) browser = "Internet Explorer";
else if (!checkIt('compatible'))
{
	browser = "Netscape Navigator"
	version = detect.charAt(8);
}
else browser = "An unknown browser";

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;
}

function isMacIE()
{
	if ((OS == 'Mac') && (browser == 'Internet Explorer')){
		return true;
	}else{
		return false;
	}
}

function VerifyEqual(col1,col2,message){
	if (col1.value == col2.value){
		return true;
	}else{
		alert(message);
		col2.focus();
		return false
	}
}