function setcookieforndays(name, value, days, path) {
var today = new Date();
expires = new Date(today.getTime() + days*24*60*60*1000);
document.cookie = name + "=" + escape(value) +
                "; expires=" + expires.toGMTString() +
                ((path) ? "; path=" + path : "");
}
 
function unsetcookie(name) {
  var expire="Fri, 31 Dec 1999 23:59:59 GMT";
  var exp=new Date();
  var cookieexpire=exp.getTime()+expire;
  exp.setTime(cookieexpire);
  document.cookie=name+"=1;expires="+exp.toGMTString()+"; path=/";
}
 
function getcookie(name) {
var dc = document.cookie;
var prefix = name + "=";
var begin = dc.indexOf("; " + prefix);
if (begin == -1) {
    begin = dc.indexOf(prefix);
    if (begin != 0) return null;
} else
     begin += 2;
var end = document.cookie.indexOf(";", begin);
if (end == -1)
    end = dc.length;
return unescape(dc.substring(begin + prefix.length, end));
}
 
  function toggle3(str) {
    var eTar=document.getElementById(''+str+'');
    if (eTar.style.display == 'none') {
      eTar.style.display = 'block';
      unsetcookie("openblock[id"+str+"]",""+str+"");
    } else {
      eTar.style.display = 'none';
      setcookieforndays("openblock[id"+str+"]",""+str+"",1,"/");
    }
    if (eTar.display == 'none') {
      eTar.display = 'block';
      unsetcookie("openblock[id"+str+"]",""+str+"");
    } else {
      eTar.display = 'none';
      setcookieforndays("openblock[id"+str+"]",""+str+"",1,"/");
    }
 
  }
 
function checked_lists(str) {
  if (getcookie("openblock[id"+str+"]")) {
    var for_id=getcookie("openblock[id"+str+"]");
    eTar=document.getElementById(""+for_id+"");
      if (eTar.style.display == 'none') {
        eTar.style.display = 'block';
      } else {
        eTar.style.display = 'none';
      }
     if (eTar.display == 'none') {
       eTar.display = 'block';
     } else {
       eTar.display = 'none';
     }
  }
}