//クッキー関数
function WriteCookie(key, value, days) {
	var str = key + "=" + escape(value) + ";";
	if (days != 0) {
		var dt = new Date();
		dt.setDate(dt.getDate() + days);
		str += "expires=" + dt.toGMTString() + ";";
	}
	document.cookie = str;
}
function ReadCookie(key) {
	var sCookie = document.cookie;
	var aData = sCookie.split(";");
	var oExp = new RegExp(" ", "g");
	key = key.replace(oExp, "");

	var i = 0;
	while (aData[i]) {
		var aWord = aData[i].split("=");
		aWord[0] = aWord[0].replace(oExp, "");
		if (key == aWord[0]) return unescape(aWord[1]);
		if (++i >= aData.length) break;
	}
	return "";
}
function DeleteCookie(key)
{
	var dt = new Date();
	var str = key + "=;expires=" + dt.toGMTString();
	document.cookie = str;
}

//ユーザー設定項目
var days = 30;	 //クッキー保存日数

//折りたたみスクリプト
function FoldList(FoldName){
	if((ReadCookie("SlideUp")+"|").indexOf("|" + FoldName + "|") != -1)
		$("#about" + FoldName).next().hide();
	$("#about" + FoldName).click(function(){
		$(this).next().slideToggle("normal",function(){
			if ($(this).is(":hidden")){
				WriteCookie("SlideDown", ReadCookie("SlideUp") + "|" + FoldName, days);
			}else{
			var t = (ReadCookie("SlideUp")+"|").replace("|" + FoldName + "|","|");
			t = t.replace(/¥|$/,"");
			if ((t=="") || (t==undefined)) 
				DeleteCookie("SlideUp");
			else
				WriteCookie("SlideDown", t, days);
			}
		});
	});
};