function getDzCookie(name) {
var cookies = document.cookie;
var value  = "";
if(cookies.indexOf(name) != -1) {
var start = cookies.indexOf(name) + name.length + 1;
var end   = cookies.indexOf(";",start);

if(end == -1) end = cookies.length;
value = cookies.substring(start,end);
value = unescape(value);
}
return value;
}

var SESSUSER = false;
var CORPUSER = false;
if(getDzCookie('SMSESSION') && getDzCookie('SMSESSION') != "LOGGEDOFF" && getDzCookie('SM_USER') && getDzCookie('dz_info')) SESSUSER = true;
else if(getDzCookie('nr_usrid')) CORPUSER = true;
else if(getDzCookie('SMSESSION') && getDzCookie('SMSESSION') != "LOGGEDOFF" && getDzCookie('SM_USER') && !getDzCookie('dz_info')) location.href = "http://membership.chosun.com/login/protect_sso/sso_user_info.jsp?returl=" + escape(location.href) + "&site=newsreader";

function isAuth() {
	return SESSUSER;
}

function loginFrame() {
	if (SESSUSER || CORPUSER) {
		document.write ("<a href='http://nuutbook.com/html/detail_news.asp' target='_blank'><img src='http://ireader.chosun.com/data/images/ireadere.gif' style='margin:0 13px 0 0; vertical-align:bottom;'></a>");

		if (CORPUSER) {
			document.write ("<a href=\"javascript:top.location.href='http://ireader.chosun.com/member/logout.jsp?returl='+escape(location.href)+'&site=newsreader'\"/><img src='http://ireader.chosun.com/data/images/btn_logout.gif' align='absmiddle'></a> <img src='http://ireader.chosun.com/data/images/login_bar.gif' align='absmiddle'> <a href=\"javascript:top.location.href='http://ireader.chosun.com/member/idpw.jsp?returl='+escape(location.href)+''\" target='_top'><img src='http://ireader.chosun.com/data/images/btn_login_pw.gif' align='absmiddle'></a>");
		}
		else {
			document.write ("<a href=\"javascript:top.location.href='http://membership.chosun.com/login/logout.jsp?returl='+escape(location.href)+'&site=newsreader'\"/><img src='http://ireader.chosun.com/data/images/btn_logout.gif' align='absmiddle'></a> <img src='http://ireader.chosun.com/data/images/login_bar.gif' align='absmiddle'> <a href=\'http://membership.chosun.com/join/registUser.jsp?act=update&site=newsreader&letter=1\' target='_top'><img src='http://ireader.chosun.com/data/images/btn_modify.gif' align='absmiddle'></a>");
		}
	}
	else {
		document.write ("<a href='http://nuutbook.com/html/detail_news.asp' target='_blank'><img src='http://ireader.chosun.com/data/images/ireadere.gif' style='margin:0 13px 0 0; vertical-align:bottom;'></a><img src='http://ireader.chosun.com/data/images/btn_login001.gif' align='absmiddle'><a href=\"javascript:top.location.href='http://membership.chosun.com/login/protect_sso/sso_user_info.jsp?returl='+escape(location.href)+'&site=newsreader'\"/><img src='http://ireader.chosun.com/data/images/btn_login_private01.gif' align='absmiddle' alt='member'></a> <img src='http://ireader.chosun.com/data/images/login_bar.gif' align='absmiddle'> <a href=\"javascript:top.location.href='http://ireader.chosun.com/member/login.jsp?returl='+escape(location.href)+''\"><img src='http://ireader.chosun.com/data/images/btn_login_corp01.gif' align='absmiddle' alt='corporate member'></a> <img src='http://ireader.chosun.com/data/images/login_bar.gif' align='absmiddle'> <a href=\'http://membership.chosun.com/join/registUser.jsp?site=newsreader&letter=1\' target='_top'><img src='http://ireader.chosun.com/data/images/btn_join.gif' align='absmiddle'></a> <img src='http://ireader.chosun.com/data/images/login_bar.gif' align='absmiddle'> <a href=\'http://membership.chosun.com/join/registUser.jsp?act=idpw&site=newsreader&letter=1\' target='_top' ><img src='http://ireader.chosun.com/data/images/btn_idpw.gif' align='absmiddle'></a>");
	}
}