var portletCookie = null;

function LoadPortletCookie()
{
    if (portletCookie == null)
	{
	    /* Set to expire in 24 hours */
	    portletCookie = new Cookie(document, "portlet_cookie", 24);
	    portletCookie.load();
	}
}

function SavePortletCookie(portletName)
{
    if (portletCookie != null)
	{
	    portletCookie.store();
	}
}

function OpenClosePortlets (portletName)
{
  var el  = document.getElementById(portletName + 'OpenClose');
  var el2 = document.getElementById(portletName + 'OpenCloseLink');

  LoadPortletCookie();

  if (el.style.left == "-999em")
  {
    el.style.left  = "auto";
    el.style.right = "auto";
    el.style.position = "relative";
    el2.setAttribute('title', "Collapse");
    el2.innerHTML = "X";
    portletCookie[portletName] = "Expanded";
    SavePortletCookie(portletName);
  }
  else
  {
    el.style.left  = "-999em";
    el.style.right = "999em";
    el.style.position = "absolute";
    el2.setAttribute("title", "Expand");
    el2.innerHTML = "+";
    portletCookie[portletName] = "Collapsed";
    SavePortletCookie();
  }

   return false;
}

function RestorePortlet(portletName)
{
    LoadPortletCookie();
    if (portletCookie[portletName] == null)
	return false;

    if (portletCookie[portletName] == "Collapsed")
	OpenClosePortlets(portletName);
}