var winW = 0, winH = 0;

if (parseInt(navigator.appVersion) > 3) {
	if (navigator.appName == "Netscape") {
		winW = window.innerWidth - 16;
		winH = window.innerHeight - 16;
	}
	if (navigator.appName.indexOf("Microsoft") != -1) {
		winW = screen.width;
		winH = screen.height;
		if (winW <= 1280 && winW > 1024) {
			document
					.write('<link rel="stylesheet" type="text/css" href="style/1280ie.css">');
		}
		if (winW <= 1024) {
			document
					.write('<link rel="stylesheet" type="text/css" href="style/1024ie.css">');
		}
		if (winW <= 1680 && winW > 1280) {
			document
					.write('<link rel="stylesheet" type="text/css" href="style/1600ie.css">');
		}
	} else {
		if (winW <= 1280 && winW > 1024) {
			document
					.write('<link rel="stylesheet" type="text/css" href="style/1280.css">');

		}
		if (winW <= 1024) {
			document
					.write('<link rel="stylesheet" type="text/css" href="style/1024.css">');
		}
		if (winW <= 1600 && winW > 1280 && jezyk == "pl") {
			document
					.write('<link rel="stylesheet" type="text/css" href="style/1600.css">');
		}
		if (winW <= 1600 && winW > 1280) {
			document
					.write('<link rel="stylesheet" type="text/css" href="style/1600.css">');
		}
	}

	if (/Opera[\/\s](\d+\.\d+)/.test(navigator.userAgent)) { // test for
		// Opera/x.x or
		// Opera x.x
		// (ignoring
		// remaining decimal
		// places);
		if (winW <= 1280 && winW > 1024) {
			document
					.write('<link rel="stylesheet" type="text/css" href="style/1280ie.css">');
		}
		if (winW <= 1024) {
			document
					.write('<link rel="stylesheet" type="text/css" href="style/1024ie.css">');
		}
		if (winW <= 1680 && winW > 1280) {
			document
					.write('<link rel="stylesheet" type="text/css" href="style/1600ie.css">');
		}

	}

}