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;
    }
  }
  
  createCookie("style", title, 365);

  if ( title == "smaller" ){
	$(".smaller img").attr("src","http://www.showaglove.co.jp/common/header_fontsize_s_on2.gif");
	$(".default img").attr("src","http://www.showaglove.co.jp/common/header_fontsize_m_off.gif");
	$(".larger img").attr("src","http://www.showaglove.co.jp/common/header_fontsize_l_off.gif");
  }else if ( title == "larger" ){
	$(".smaller img").attr("src","http://www.showaglove.co.jp/common/header_fontsize_s_off.gif");
	$(".default img").attr("src","http://www.showaglove.co.jp/common/header_fontsize_m_off.gif");
	$(".larger img").attr("src","http://www.showaglove.co.jp/common/header_fontsize_l_on2.gif");
  }else{
	$(".smaller img").attr("src","http://www.showaglove.co.jp/common/header_fontsize_s_off.gif");
	$(".default img").attr("src","http://www.showaglove.co.jp/common/header_fontsize_m_on2.gif");
	$(".larger img").attr("src","http://www.showaglove.co.jp/common/header_fontsize_l_off.gif");
  }


}

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;
}

// window_open_blank

function externalLinks() {
	if (!document.getElementsByTagName) return;
		var anchors = document.getElementsByTagName("a");
		for (var i=0; i<anchors.length; i++) {
		var anchor = anchors[i];
	if (anchor.getAttribute("href") &&
			anchor.getAttribute("rel") == "external")
			anchor.target = "_blank";
			}  
}  

$(document).ready(function() {
  var cookie = readCookie("style");
  var title = cookie ? cookie : getPreferredStyleSheet();
  setActiveStyleSheet(title);
  externalLinks();
})

window.onunload = function(e) {
}

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






var s_off = "/common/header_fontsize_s_off.gif";
var m_off = "/common/header_fontsize_m_off.gif";
var l_off = "/common/header_fontsize_l_off.gif";

var s_on = "/common/header_fontsize_s_on.gif";
var m_on = "/common/header_fontsize_m_on.gif";
var l_on = "/common/header_fontsize_l_on.gif";


function fsc( setActiveStyleSheet ){
/*
$(".smaller img").attr("src","/common/header_fontsize_s_off.gif");
$(".default img").attr("src","/common/header_fontsize_m_off.gif");
$(".larger img").attr("src","/common/header_fontsize_l_off.gif");


  if ( setActiveStyleSheet == "smaller" ){
	$(".smaller img").attr("src","/common/header_fontsize_s_on.gif");
	$(".default img").attr("src","/common/header_fontsize_m_off.gif");
	$(".larger img").attr("src","/common/header_fontsize_l_off.gif");
  }else if ( setActiveStyleSheet == "larger" ){
	$(".smaller img").attr("src","/common/header_fontsize_s_off.gif");
	$(".default img").attr("src","/common/header_fontsize_m_off.gif");
	$(".larger img").attr("src","/common/header_fontsize_l_on.gif");
  }else{
	$(".smaller img").attr("src","/common/header_fontsize_s_off.gif");
	$(".default img").attr("src","/common/header_fontsize_m_on.gif");
	$(".larger img").attr("src","/common/header_fontsize_l_off.gif");
  }
*/
}