if ( document.getElementById && document.createElement && navigator.cookieEnabled ) {
	if(getCookie('seikyo')) {
		//大ボタンを押されたとき
		document.write('<li><img src="/common/img/hd_large01_o.jpg" alt="大" width="38" height="19" border="0" /></li><li><img src="/common/img/hd_size01.gif" alt="文字の大きさ" width="58" height="19" /></li><li><a href="javascript:dCookie();location.reload(true);"><img src="/common/img/hd_standard01.jpg" alt="標準" width="38" height="19" border="0" class="over" /></a></li>');
		var l=document.createElement('link');
		l.rel="stylesheet";
		l.type="text/css";
		l.href="/common/css/font_l.css";
		document.getElementsByTagName('head')[0].appendChild(l);
	}
	else {
		//デフォルト、標準ボタンを押されたとき
		document.write('<li><a href="javascript:wCookie();location.reload(true);"><img src="/common/img/hd_large01.jpg" alt="大" width="38" height="19" border="0" class="over" /></a></li><li><img src="/common/img/hd_size01.gif" alt="文字の大きさ" width="58" height="19" /></li><li><img src="/common/img/hd_standard01_o.jpg" alt="標準" width="38" height="19" border="0" /></li>');
		var l=document.createElement('link');
		l.rel="stylesheet";
		l.type="text/css";
		l.href="/common/css/font_m.css";
		document.getElementsByTagName('head')[0].appendChild(l);
	}
}


function wCookie() {
	if(getCookie('seikyox')){return;}
	setCookie('seikyo', 'largefont');
}

function dCookie() {
	deleteCookie('seikyo');
}

function getCookie(cname) {
	var c = document.cookie + ';';
	var cindex = c.indexOf(cname + '=');
	if (cindex == -1) return false;
	var clen = c.indexOf(';', cindex + cname.length + 1);
	return unescape(c.substring(cindex + cname.length + 1, clen));
}

function setCookie(cname, value) {
	document.cookie = cname + "=" + escape(value) +"; path=/";
}

function deleteCookie(cname) {
	document.cookie = cname + "= ;expires=Thu,01-Jan-70 00:00:01 GMT; path=/";
	//document.cookie = "expires=Thu,01-Jan-70 00:00:01 GMT; path=/";
}