// ***********************************************

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 var expires = "";
  document.cookie = name+"="+value+expires+"; path=/";
}

function toggleSidebar()
{
  var sb=document.getElementById('sidebar').style;
  var st=document.getElementById('sidebar-toggle').style;
  if(sb.visibility=='visible') 
  {
    sb.visibility='hidden'; 
    st.visibility='visible';
    createCookie('sidebar', 0, 365);
  }
  else 
  {
    sb.visibility='visible';
    st.visibility='hidden';
    createCookie('sidebar', 1, 365);
  }
}