var c = {};
for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
  if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title")) {
    c[a.getAttribute("title")] = a.getAttribute("href");
  }
}

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.setAttribute("href" , c[title]);
      //a.disabled = true;
      //if(a.getAttribute("title") == title) a.disabled = false;
    }
  }
  furi_setup();
}

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");
  }
  */

  for (k in c){
    if (document.getElementsByTagName("link")[0].getAttribute("href") == c[k]) {
      return k;
    }
  }

  return null;
}

function getPreferredStyleSheet() {
	return "white";
	/*
  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 "white";
}

window.onload = function(e) {
  /*var cookie = readCookie("style");
  var title = cookie ? cookie : getPreferredStyleSheet();
  if(cookie=="null"||cookie==null){title="white";}
  setActiveStyleSheet(title);*/
  ws_cmd();
  var fsCK = GetCookie( ckName );
  if ( fsCK == null ){
  }else{
    fsc(fsCK);         //クッキーがあれば現在の値をクッキーの値に設定
  }
}

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

var cookie = readCookie("style");
var title = cookie ? cookie : getPreferredStyleSheet();
if(cookie=="null"||cookie==null||cookie=="base"){title="white";}
setActiveStyleSheet(title);
//alert(title);

//ふりがなsafariとChrome対策
function furi_setup(){
	var strUA = "";
	strUA = navigator.userAgent.toLowerCase();
	if(strUA.indexOf("safari") != -1){
		// stylesheet object
		var ss = document.styleSheets[0];
		ss.insertRule("body.furigana a ruby {vertical-align: -10%;}", ss.cssRules.length);
	}
}
furi_setup();