// ブラウザによってスタイルシートを切り替える
browser = navigator.appName.charAt(0);
fontsize = GetCookie("font");
if (browser == "M") {
	if (fontsize == "big") {
		document.write('<LINK REL=STYLESHEET TYPE="text/css" HREF="IeBig.css">');
	} else {
		document.write('<LINK REL=STYLESHEET TYPE="text/css" HREF="IeSmall.css">');
	}
} else {
	if (fontsize == "big") {
		document.write('<LINK REL=STYLESHEET TYPE="text/css" HREF="NnBig.css">');
	} else {
		document.write('<LINK REL=STYLESHEET TYPE="text/css" HREF="NnSmall.css">');
	}
}
function GetCookie(name){
	var search = name + '=';
	if (document.cookie.length>0) {
		offset = document.cookie.indexOf(search);
		if (offset != -1){
			offset += search.length;
			end = document.cookie.indexOf(';',offset);
			if (end == -1)
				end = document.cookie.length;
			if (unescape(document.cookie.substring(offset,end)) == null){
				return "";
			} else {
				return unescape(document.cookie.substring(offset,end));
			}
		}
	}
  return "";
}