//IE バージョン取得
function getBrowserVersion(){
	str = navigator.appName.toUpperCase();
	version = 0;
	appVer  = navigator.appVersion;
	if (str.indexOf("NETSCAPE") >= 0){
		s = appVer.indexOf(" ",0);
		version = eval(appVer.substring(0,s));
		if (version >= 5) version++;
	}
	if (str.indexOf("MICROSOFT") >= 0){
		appVer  = navigator.userAgent;
		s = appVer.indexOf("MSIE ",0) + 5;
		e = appVer.indexOf(";",s);
		version = eval(appVer.substring(s,e));
	}
	return version;
}

var vNum = getBrowserVersion();
var bName = navigator.appName.charAt(0);

document.write("<STYLE TYPE='text/css'><!--");
	if(navigator.appVersion.indexOf("Mac") > -1){

		//for MAC IE
		if( bName == "M"){
			document.write(".text1{font-size:10px; line-height:14px}");
			document.write(".text2{font-size:12px; line-height:16px}");
			document.write(".text3{font-size:14px; line-height:18px}");
			document.write(".text4{font-size:18px; line-height:22px}");
		}else{
			if( vNum < 5 ){

				//for MAC NETSCAPE 4.x
				document.write(".text1{font-size:10px; line-height:14px}");
				document.write(".text2{font-size:12px; line-height:16px}");
				document.write(".text3{font-size:14px; line-height:18px}");
				document.write(".text4{font-size:18px; line-height:22px}");

			}else if( vNum >= 5 ){
				//for MAC NETSCAPE 6.x~
				document.write(".text1{font-size:10px; line-height:14px}");
				document.write(".text2{font-size:12px; line-height:16px}");
				document.write(".text3{font-size:14px; line-height:18px}");
				document.write(".text4{font-size:18px; line-height:22px}");

			}
		}

	}else{

		if( bName == "M"){
			//for WIN IE
			document.write(".text1{font-size:10px; line-height:14px}");
			document.write(".text2{font-size:12px; line-height:16px}");
			document.write(".text3{font-size:14px; line-height:18px}");
			document.write(".text4{font-size:16px; line-height:20px}");
		}else{
			if( vNum < 5 ){

				//for WIN NETSCAPE 4.x
				document.write(".text1{font-size:11px; line-height:14px}");
				document.write(".text2{font-size:12px; line-height:15px}");
				document.write(".text3{font-size:15px; line-height:18px}");
				document.write(".text4{font-size:16px; line-height:19px}");

			}else if( vNum >= 5 ){
				//for WIN NETSCAPE 6.x~
				document.write(".text1{font-size:10px; line-height:14px}");
				document.write(".text2{font-size:12px; line-height:16px}");
				document.write(".text3{font-size:14px; line-height:18px}");
				document.write(".text4{font-size:16px; line-height:20px}");

			}
		}
	}

 document.write("--></STYLE>");