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;
}

window.onload = function(e) {
  var cookie = readCookie("style");
  var title = cookie ? cookie : getPreferredStyleSheet();
  setActiveStyleSheet(title);
  
  Event.observe($('font-size-small')  , 'click', function(e){setActiveStyleSheet('Small')  }, false);
  Event.observe($('font-size-default'), 'click', function(e){setActiveStyleSheet('Default')}, false);
  Event.observe($('font-size-large')  , 'click', function(e){setActiveStyleSheet('Large')  }, false);

}

window.onunload = function(e) {
  var title = getActiveStyleSheet();
  createCookie("style", title, 365);
}
function chizu_kensaku_alert(){
	if(confirm("FUKUYA倶楽部限定の機能です。\nFUKUYA倶楽部へご入会下さい")){
		window.location.href="/fukuyaclub/info.html";
		return;}
	else
		return;
}
 
var cookie = readCookie("style");
var title = cookie ? cookie : getPreferredStyleSheet();
setActiveStyleSheet(title);


	function textcount(text){
	var bc=0;

		for(var i=0;i<text.length;i++){
			if(text.charCodeAt(i)<0x100){
				bc+=1; // case:ascii character.
			}else{
				bc+=2; // case:double byte character.
			}
		}
	var bccolor = ''; //カウンターの文字色

		if(bc>800){
			bccolor='color:#ff0;background-color:#f00;font-weight:bold;';
		}else if(bc>700){
			bccolor = 'color:#000;background-color:#ff0;';
		}

	var tl = text.length;
	var lines = text.split("\\n").length;
	tl = tl-lines+1; //便宜上改行を1文字とする
	var tlover = 400-tl;
	var display=document.getElementById("output");
		if(tlover >= 0){
			display.innerHTML='現在の文字数：'+tl+'(400文字まで)';
		}else{
			display.innerHTML='現在の文字数：'+tl+'(400文字まで)<font color=#ff0000>' + tlover*-1 + '</font>文字超えています。';
		}

	}