/* browser check */

function getBrowserName() {
	var an = navigator.appName;
	var ua = navigator.userAgent;
	if (an.indexOf("Microsoft Internet Explorer",0) != -1) return "Explorer";
	if (an.indexOf("Netscape",0) != -1) return "Netscape";
	if (an.indexOf("Opera",0) != -1) return "Opera";
	if (an.indexOf("iCab",0) != -1) return "iCab";
	if (an.indexOf("WebTV",0) != -1) return "WebTV";
	if (ua.indexOf("DreamPassport",0) != -1) return "DreamPassport";
	return "";
}

/* css setting */

var bn = getBrowserName();
var bv = navigator.appVersion.charAt(0);
var bp = navigator.platform.charAt(0);

if (bv >= 4) {
	if (bp == "W") {
		if (bn == "Explorer") {
			// Win IE 4 or above
			document.write('<link rel="stylesheet" type="text/css" charset="Shift_JIS" href="css/iew.css">');
		} else if (bn == "Netscape") {
			if (bv >= 5) {
				// Win N 6 or above
				document.write('<link rel="stylesheet" type="text/css" charset="Shift_JIS" href="css/n6w.css">');
			} else {
				// Win NC 4
				document.write('<link rel="stylesheet" type="text/css" charset="Shift_JIS" href="css/win.css">');
			}
		} else {
			// other browsers
			document.write('<link rel="stylesheet" type="text/css" href="css/win.css">');
		}
	} else if(bp == "M") {
		if (bn == "Explorer") {
			var macIEversion = eval(navigator.appVersion.substring(22,23));
			if (macIEversion == 4) {
				// Mac IE 4
				document.write('<link rel="stylesheet" type="text/css" charset="Shift_JIS" href="css/ie4m.css">');
			} else if (macIEversion >= 5) {
				// Mac IE 5 or above
				document.write('<link rel="stylesheet" type="text/css" charset="Shift_JIS" href="css/ie5m.css">');
			}
		} else if (bn == "Netscape") {
			if (bv >= 5) {
				// Mac N 6 or above
				document.write('<link rel="stylesheet" type="text/css" charset="Shift_JIS" href="css/n6m.css">');
			} else {
				// Mac NC 4
				document.write('<link rel="stylesheet" type="text/css" charset="Shift_JIS" href="css/mac.css">');
			}
		} else {
			// other browsers
			document.write('<link rel="stylesheet" type="text/css" href="css/mac.css">');
		}
	} else {
		// any userAgent
		document.write('<link rel="stylesheet" type="text/css" href="css/a.css">');
	}
}

/* end of file */