document.open();
document.write("<link rel='stylesheet' type='text/css' media='screen' href='http://www.kameda-nurse.jp/common/css/font_m.css' title='font_m'>");
document.write("<link rel='stylesheet' type='text/css' media='screen' href='http://www.kameda-nurse.jp/common/css/font_b.css' title='font_b'>");
document.close();

var m_off = new Image(); m_off.src = 'http://www.kameda-nurse.jp/images/common/bt_font_m.gif';
var m_on  = new Image(); m_on.src  = 'http://www.kameda-nurse.jp/images/common/bt_font_m_on.gif';
var b_off = new Image(); b_off.src = 'http://www.kameda-nurse.jp/images/common/bt_font_l.gif';
var b_on  = new Image(); b_on.src  = 'http://www.kameda-nurse.jp/images/common/bt_font_l_on.gif';

function setStyle(f_type) {
if(f_type == "font_b"){
document.images["mimg"].src = m_off.src;
document.images["bimg"].src = b_on.src;
}else{
document.images["mimg"].src = m_on.src;
document.images["bimg"].src = b_off.src;
}
setActiveStyleSheet(f_type);
}

function setActiveStyleSheet(title) {
var i, a, main;
for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title")) {
a.disabled = true;
if(a.getAttribute("title") == title) a.disabled = false;
}
}
}

function getActiveStyleSheet() {
var i, a;
for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title") && !a.disabled) return a.getAttribute("title");
}
return null;
}

function getPreferredStyleSheet() {
var i, a;
for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
if(a.getAttribute("rel").indexOf("style") != -1
&& a.getAttribute("rel").indexOf("alt") == -1
&& a.getAttribute("title")
) return a.getAttribute("title");
}
return null;
}

function createCookie(name,value,days) {
if (days) {
var date = new Date();
date.setTime(date.getTime()+(days*24*60*60*1000));
var expires = "; expires="+date.toGMTString();
}
else expires = "";
document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name) {
var nameEQ = name + "=";
var ca = document.cookie.split(';');
for(var i=0;i < ca.length;i++) {
var c = ca[i];
while (c.charAt(0)==' ') c = c.substring(1,c.length);
if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
}
return null;
}

function setFont() {
var cookie = readCookie("style");
var title = cookie ? cookie : getPreferredStyleSheet();
setActiveStyleSheet(title);
setStyle(title);
}

window.onunload = function(e) {
var cookie = readCookie("style");
var title = cookie ? cookie : getPreferredStyleSheet();
setActiveStyleSheet(title);
setStyle(title);
}

window.onunload = function(e) {
var title = getActiveStyleSheet();
createCookie("style", title, 365);
}

var cookie = readCookie("style");
var title = cookie ? cookie : getPreferredStyleSheet();
setActiveStyleSheet(title);

var tid = setTimeout(setFont, 2500);