/***BEGIN BROWSER DETECT***/
var sUserAgent = navigator.userAgent;
var fAppVersion = parseFloat(navigator.appVersion);

function compareVersions(sVersion1, sVersion2) {
	var aVersion1 = sVersion1.split(".");
	var aVersion2 = sVersion2.split(".");

	if (aVersion1.length > aVersion2.length) {
		for (var i=0; i<aVersion1.length - aVersion2.length; i++) {
			aVersion2.push("0");
		}
	} else if (aVersion1.length < aVersion2.length) {
		 for (var i=0; i < aVersion2.length - aVersion1.length; i++) {
		 	aVersion1.push("0");
		}
	}
	
	for (var i=0; i < aVersion1.length; i++) {
		if (aVersion1[i] < aVersion2[i]) {
			return -1;
		} else if (aVersion1[i] > aVersion2[i]) {
			return 1;
		}
	}
	
	return 0;
}

/*  BEGIN DETECT OPERA */
var isOpera = sUserAgent.indexOf("Opera") > -1;
var isMinOpera4 = isMinOpera5 = isMinOpera6 = isMinOpera7 = isMinOpera7_5 = false;

if (isOpera) {
	var fOperaVersion;
	if (navigator.appName == "Opera") {
		fOperaVersion = fAppVersion;
	} else {
		var reOperaVersion = new RegExp("Opera (\\d+\\.\\d+)");
		reOpraVersion.test(sUserAgent);
		fOperaVersion = parseFloat(RegExp["$1"]);
	}
	
	isMinOpera4 = fOperaVersion >= 4;
	isMinOpera5 = fOperaVersion >= 5;
	isMinOpera6 = fOperaVersion >= 6;
	isMinOpera7 = fOperaVersion >= 7;
	isMinOpera7_5 = fOperaVersion >= 7.5;
}
/*  END DETECT OPERA */




/*  BEGIN DETECT KONQUEROR/SAFARI */
var isKHTML = sUserAgent.indexOf("KHTML") > -1
           || sUserAgent.indexOf("Konqueror") > -1
           || sUserAgent.indexOf("AppleWebKit") > -1;
var isMinSafari1 = isMinSafari1_2 = false;
var isMinKonq2_2 = isMinKonq3 = isMinKonq3_1 = isMinKonq3_2 = false;

if (isKHTML) {
	isSafari = sUserAgent.indexOf("AppleWebKit") > -1
	isKonq = sUserAgent.indexOf("Konqueror") > -1;
	
	if (isSafari) {
		var reAppleWebkit = new RegExp("AppleWebKit\\/(\\d+(?:\\.\\d*)?)");
		reAppleWebKit.test(sUserAgent);
		var fAppleWebKitVersion = parseFloat(RegExp["$1"]);		
		isMinSafari1 = fAppleWebKitVersion >= 85;
		isMinSafari1_2 = fAppleWebKitVersion >= 124;

	} else if (isKonq) {
		var reKong = new RegExp("Konqueror\\/(\\d+(?:\\.\\d)?)?)");
		reKong.test(sUserAgent);
		isMinKonq2_2 = compareVersions(RegExp["$1"], "2.2") >= 0;
		isMinKonq3   = compareVersions(RegExp["$1"], "3.0") >= 0;
		isMinKonq3_1 = compareVersions(RegExp["$1"], "3.1") >= 0;
		isMinKonq3_2 = compareVersions(RegExp["$1"], "3.2") >= 0;
	}
}
/*  END DETECT KONQUEROR/SAFARI */




/*  BEGIN IE DETECT */
var isIE = sUserAgent.indexOf("compatible") > -1
        && sUserAgent.indexOf("MSIE") > -1
        && !isOpera;
var isMinIE4 = isMinIE5 = isMinIE5_5 = isMinIE6 = isMinIE7 = false;

if (isIE) {
	var reIE = new RegExp("MSIE (\\d+\\.\\d+);");
	reIE.test(sUserAgent);
	var fIEVersion = parseFloat(RegExp["$1"]);
	
	isMinIE4 = fIEVersion >= 4;
	isMinIE5 = fIEVersion >= 5;
	isMinIE5_5 = fIEVersion >= 5.5;
	isMinIE6 = fIEVersion >= 6.0;
	isMinIE7 = fIEVersion >= 7;
}
/*  END IE DETECT */




/*  BEGIN MOZILLA DETECT */
var isMoz = sUserAgent.indexOf("Gecko") > -1
         && !isKHTML;
var isMinMoz1 = isMinMoz1_4 = isMinMoz1_5 = isMinMoz2 = false;

if (isMoz) {
	var reMoz = new RegExp("rv:(\\d+\\.\\d+(?:\\.\\d+)?)");
	reMoz.test(sUserAgent);
	isMinMoz1   = compareVersions(RegExp["$1"], "1.0") >= 0;
	isMinMoz1_4 = compareVersions(RegExp["$1"], "1.4") >= 0;
	isMinMoz1_5 = compareVersions(RegExp["$1"], "1.5") >= 0;
	isMinMoz2   = compareVersions(RegExp["$1"], "2.0") >= 0;
}
/*  END MOZILLA DETECT */




/*  BEGIN NETSCAPE DETECT */
var isNS4 = !isIE && !isOpera && !isMoz && !isKHTML
         && (sUserAgent.indexOf("Mozilla") == 0)
         && (sUserAgent.appName == "Netscape")
         && fAppVersion >= 4.0 && fAppVersion < 5.0;
var isMinNS4 = isMinNS4_5 = isMinNS4_7 = isMinNS4_8 = false;

if (isNS4) {
	isMinNS4 = true;
	isMinNS4_5 = fAppVersion >= 4.5;
	isMinNS4_7 = fAppVersion >= 4.7;
	isMinNS4_8 = fAppVersion >= 4.8;
}
/*  END NETSCAPE DETECT */
/***END BROWSER DETECT***/



/***BEGIN PLATFORM DETECT***/
var isWin  = (navigator.platform == "Win32") || (navigator.platform == "Windows");
var isMac  = (navigator.platform == "Mac68K") || (navigator.platform == "MacPPC") || (navigator.platform == "Macintosh");
var isUnix = (navigator.platform == "X11") && !isWin && !isMac;
/***END PLATFORM DETECT***/


/***BEGIN OS DETECT***/
var isWin95 = isWin98 = isWin2K = isWinME = isWinXP = false;
var isMac68K = isMacPPC = false;
var isSunOS = isMinSunOS4 = isMinSunOS5 = isMinSunOS5_5 = false;

if (isWin) {
	isWin95 = sUserAgent.indexOf("Win95") > -1
	     || sUserAgent.indexOf("Windows 95") > -1;
	isWin98 = sUserAgent.indexOf("Win98") > -1
	     || sUserAgent.indexOf("Windows 98") > -1;
	isWinME = sUserAgent.indexOf("Win 9x 4.90") > -1
	     || sUserAgent.indexOf("Windows ME") > -1;
	isWin2K = sUserAgent.indexOf("Windows NT 5.0") > -1
	     || sUserAgent.indexOf("Windows 2000") > -1;
	isWinXP = sUserAgent.indexOf("Windows NT 5.1") > -1
	     || sUserAgent.indexOf("Windows XP") > -1;
	isWinNT4 = sUserAgent.indexOf("WinNT") > -1
	     || sUserAgent.indexOf("Windows NT") > -1
	     || sUserAgent.indexOf("WinNT4.0") > -1
	     || sUserAgent.indexOf("Windows NT 4.0") > -1
	     && (!isWinME && !isWin2K && !isWinXP);
}

if (isMac) {
	isMac68K = sUserAgent.indexOf("Mac_68000") > -1
	        || sUserAgent.indexOf("68K") > -1;
	isMacPPC = sUserAgent.indexOf("Mac_PowerPC") > -1
	        || sUserAgent.indexOf("PPC") > -1;
}

if (isUnix) {
	isSunOS = sUserAgent.indexOf("SunOS") > -1;
	
	if (isSunOS) {
		var reSunOS = new RegExp("SunOS (\\d+\\.\\d+(?:\\.\\d+)?)");
		reSunOS.test(sUserAgent);
		isMinSunOS4 = compareVersions(RegExp["$1"], "4.0") >= 0;
		isMinSunOS5 = compareVersions(RegExp["$1"], "5.0") >= 0;
		isMinSunOS5_5 = compareVersions(RegExp["$1"], "5.5") >= 0;
	}
}
/***END OS DETECT***/