var exp = 5;

function newCookie(name,value,days) {
  if (days) {
    var date = new Date();
    date.setTime(date.getTime()+(days*24*60*60*1000));
    var expires = "; expires="+date.toGMTString();
  } else var expires = "";
  document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name) {
  var nameSG = name + "=";
  var nuller = '';
  if (document.cookie.indexOf(nameSG) == -1)
  return nuller;
  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(nameSG) == 0) return c.substring(nameSG.length,c.length);
  }
  return null;
}

function eraseCookie(name) {
  newCookie(name,"",-1);
}


    // Below you should add a1, a2 etc. for each main link you wish to include
    // so if you want 3 main links you should add a1, a2, a3 in the format shown
    // enclosed in double quotes
    
  var mainNum = new Array("a1","a2","a3","a4","a5","a6","a7","a8","a9","a10","a11");

function openClose(theName, menuArray, theID) {
  for(var i=0; i < menuArray.length; i++) {
    if (menuArray[i] == theID) {
      if (document.getElementById(theID).style.display == "block") {
        document.getElementById(theID).style.display = "none";        
        eraseCookie(theName); }
      else {
        document.getElementById(theID).style.display = "block";        
        newCookie(theName,menuArray[i],exp); }
      }
    else {
      document.getElementById(menuArray[i]).style.display = "none";      
    }
  }
}

function memStatus() {
  var num = readCookie("MN");
  if (num) {
    document.getElementById(num).style.display = "block";
     }
  var num1 = readCookie("SB");
  if (num1) {
    document.getElementById(num1).style.display = "block";
     }
}

// Multiple onload function
function addLoadEvent(func) {
  var oldonload = window.onload;
  if (typeof window.onload != 'function') {
    window.onload = func;
  } else {
    window.onload = function() {
      if (oldonload) {
        oldonload();
      }
      func();
    }
  }
}

addLoadEvent(function() {
  memStatus();
});