var fontsize = readCookie("fontSize");

//クッキーが無ければ標準
if(readCookie("fontSize") == "")
{
	fontsize = 'medium';
	//writeCookie('fontSize', 'medium', 8760);
}

if(fontsize == 'small'){
	chg_location('letter_s', 0, 'http://pmj.co.jp/images/btn_s.gif');
	chg_location('letter_s', 1, 'http://pmj.co.jp/images/btn_s_o.gif');
	document.getElementById("small").disabled = false;
	document.getElementById("medium").disabled = true;
	document.getElementById("large").disabled = true;
}

if(fontsize == 'medium'){
	chg_location('letter_m', 2, 'http://pmj.co.jp/images/btn_m.gif');
	chg_location('letter_m', 3, 'http://pmj.co.jp/images/btn_m_o.gif');
	document.getElementById("small").disabled = true;
	document.getElementById("medium").disabled = false;
	document.getElementById("large").disabled = true;
}

if(fontsize == 'large'){
	chg_location('letter_l', 4, 'http://pmj.co.jp/images/btn_l.gif');
	chg_location('letter_l', 5, 'http://pmj.co.jp/images/btn_l_o.gif');
	document.getElementById("small").disabled = true;
	document.getElementById("medium").disabled = true;
	document.getElementById("large").disabled = false;
}