/**
 * JavaScript Client Detection
 * (C) viazenetti GmbH (Christian Ludwig)
 */
(function (window) {
	{
		var unknown = '-';

		// screen
		var screenSize = '';
		if (screen.width) {
			width = (screen.width) ? screen.width : '';
			height = (screen.height) ? screen.height : '';
			screenSize += '' + width + " x " + height;
		}

		// browser
		var nVer = navigator.appVersion;
		var nAgt = navigator.userAgent;
		var browser = navigator.appName;
		var version = '' + parseFloat(navigator.appVersion);
		var majorVersion = parseInt(navigator.appVersion, 10);
		var nameOffset, verOffset, ix;

		// Opera
		if ((verOffset = nAgt.indexOf('Opera')) != -1) {
			browser = 'Opera';
			version = nAgt.substring(verOffset + 6);
			if ((verOffset = nAgt.indexOf('Version')) != -1) {
				version = nAgt.substring(verOffset + 8);
			}
		}
		// Opera Next
		if ((verOffset = nAgt.indexOf('OPR')) != -1) {
			browser = 'Opera';
			version = nAgt.substring(verOffset + 4);
		}
		// Legacy Edge
		else if ((verOffset = nAgt.indexOf('Edge')) != -1) {
			browser = 'Edge';
			version = nAgt.substring(verOffset + 5);
		}
		// Edge (Chromium)
		else if ((verOffset = nAgt.indexOf('Edg')) != -1) {
			browser = 'Microsoft Edge';
			version = nAgt.substring(verOffset + 4);
		}
		// MSIE
		else if ((verOffset = nAgt.indexOf('MSIE')) != -1) {
			browser = 'Internet';
			version = nAgt.substring(verOffset + 5);
		}
		// Chrome
		else if ((verOffset = nAgt.indexOf('Chrome')) != -1) {
			browser = 'Chrome';
			version = nAgt.substring(verOffset + 7);
		}
		// Safari
		else if ((verOffset = nAgt.indexOf('Safari')) != -1) {
			browser = 'Safari';
			version = nAgt.substring(verOffset + 7);
			if ((verOffset = nAgt.indexOf('Version')) != -1) {
				version = nAgt.substring(verOffset + 8);
			}
		}
		// Firefox
		else if ((verOffset = nAgt.indexOf('Firefox')) != -1) {
			browser = 'Firefox';
			version = nAgt.substring(verOffset + 8);
		}
		// MSIE 11+
		else if (nAgt.indexOf('Trident/') != -1) {
			browser = 'Internet';
			version = nAgt.substring(nAgt.indexOf('rv:') + 3);
		}
		// Other browsers
		else if ((nameOffset = nAgt.lastIndexOf(' ') + 1) < (verOffset = nAgt.lastIndexOf('/'))) {
			browser = nAgt.substring(nameOffset, verOffset);
			version = nAgt.substring(verOffset + 1);
			if (browser.toLowerCase() == browser.toUpperCase()) {
				browser = navigator.appName;
			}
		}
		// trim the version string
		if ((ix = version.indexOf(';')) != -1) version = version.substring(0, ix);
		if ((ix = version.indexOf(' ')) != -1) version = version.substring(0, ix);
		if ((ix = version.indexOf(')')) != -1) version = version.substring(0, ix);

		majorVersion = parseInt('' + version, 10);
		if (isNaN(majorVersion)) {
			version = '' + parseFloat(navigator.appVersion);
			majorVersion = parseInt(navigator.appVersion, 10);
		}

		// mobile version
		var mobile = /Mobile|mini|Fennec|Android|iP(ad|od|hone)/.test(nVer);

		// system
		var os = unknown;
		var clientStrings = [
			{s:'Windows 10', r:/(Windows 10.0|Windows NT 10.0)/},
			{s:'Windows 8.1', r:/(Windows 8.1|Windows NT 6.3)/},
			{s:'Windows 8', r:/(Windows 8|Windows NT 6.2)/},
			{s:'Windows 7', r:/(Windows 7|Windows NT 6.1)/},
			{s:'Windows Vista', r:/Windows NT 6.0/},
			{s:'Windows Server 2003', r:/Windows NT 5.2/},
			{s:'Windows XP', r:/(Windows NT 5.1|Windows XP)/},
			{s:'Windows 2000', r:/(Windows NT 5.0|Windows 2000)/},
			{s:'Windows ME', r:/(Win 9x 4.90|Windows ME)/},
			{s:'Windows 98', r:/(Windows 98|Win98)/},
			{s:'Windows 95', r:/(Windows 95|Win95|Windows_95)/},
			{s:'Windows NT 4.0', r:/(Windows NT 4.0|WinNT4.0|WinNT|Windows NT)/},
			{s:'Windows CE', r:/Windows CE/},
			{s:'Windows 3.11', r:/Win16/},
			{s:'Android', r:/Android/},
			{s:'Open BSD', r:/OpenBSD/},
			{s:'Sun OS', r:/SunOS/},
			{s:'Chrome OS', r:/CrOS/},
			{s:'Linux', r:/(Linux|X11(?!.*CrOS))/},
			{s:'iOS', r:/(iPhone|iPad|iPod)/},
			{s:'Mac OS X', r:/Mac OS X/},
			{s:'Mac OS', r:/(Mac OS|MacPPC|MacIntel|Mac_PowerPC|Macintosh)/},
			{s:'QNX', r:/QNX/},
			{s:'UNIX', r:/UNIX/},
			{s:'BeOS', r:/BeOS/},
			{s:'OS/2', r:/OS\/2/},
			{s:'Search Bot', r:/(nuhk|Googlebot|Yammybot|Openbot|Slurp|MSNBot|Ask Jeeves\/Teoma|ia_archiver)/}
		];
		for (var id in clientStrings) {
			var cs = clientStrings[id];
			if (cs.r.test(nAgt)) {
				os = cs.s;
				break;
			}
		}

		var osVersion = unknown;

		if (/Windows/.test(os)) {
			osVersion = /Windows (.*)/.exec(os)[1];
			os = 'Windows';
		}

		switch (os) {
			case 'Mac OS':
			case 'Mac OS X':
			case 'Android':
				osVersion = /(?:Android|Mac OS|Mac OS X|MacPPC|MacIntel|Mac_PowerPC|Macintosh) ([\.\_\d]+)/.exec(nAgt)[1];
				break;

			case 'iOS':
				osVersion = /OS (\d+)_(\d+)_?(\d+)?/.exec(nVer);
				osVersion = osVersion[1] + '.' + osVersion[2] + '.' + (osVersion[3] | 0);
				break;
		}

		// flash (you'll need to include swfobject)
		/* script src="//ajax.googleapis.com/ajax/libs/swfobject/2.2/swfobject.js" */
		var flashVersion = 'no check';
		if (typeof swfobject != 'undefined') {
			var fv = swfobject.getFlashPlayerVersion();
			if (fv.major > 0) {
				flashVersion = fv.major + '.' + fv.minor + ' r' + fv.release;
			}
			else  {
				flashVersion = unknown;
			}
		}
	}

	window.jscd = {
		screen: screenSize,
		browser: browser,
		browserVersion: version,
		browserMajorVersion: majorVersion,
		mobile: mobile,
		os: os,
		osVersion: osVersion,
		flashVersion: flashVersion
	};
}(this));

(function($) {

	var $html = $('html');

	$html.addClass('browser-' + jscd.browser);
	$html.addClass('platform-' + jscd.os);

})(jQuery);