/*=======================================contents==================================================

社団法人（社）日本たばこ協会
LastUpDate:2009.05.13.PM15:50

記載内容：
1：スタイル振り分け設定
2：スタイル維持のためのクッキー設定
3：ポップアップ管理

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/*///////////////////　1：スタイル振り分け設定　////////////////////*/
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;
    }
  }
}

/*///////////////////　2：スタイル維持のためのクッキー設定　////////////////////*/
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.onload = function(e) {
  /*var cookie = readCookie("style");
  var title = cookie ? cookie : getPreferredStyleSheet();*/
  managePopup();
  setActiveStyleSheet('style2');
}

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

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



/*///////////////////　3：ポップアップ管理　////////////////////*/
function managePopup() {
	if (!document.getElementsByTagName) return false;
	var alink = document.getElementsByTagName("a");
	for (var i=0; i < alink.length; i++) {
		if (alink[i].className.match("popup")) {
			alink[i].onclick = function() {
			var windowname = "winName";
			var features="width = 590, height = 540, location=no, menubar=no, status=yes, scrollbars=no, resizable=no, toolbar=no";
			window.open(this.href, windowname, features);
			return false;
			}
		}
		if (alink[i].className.match("closeBtn")) {
			alink[i].onclick = function() {
			window.close();
			return false;
			}
		}
	}
}