function setupCalendars()
		  {
	        Calendar.setup(
	          {
	            parentElement: 'embeddedCalendar'
	          }
	        )
	      }

	    if(document.getElementById('cal'))
		{
			Event.observe(window, 'load', function() { setupCalendars() })
			document.getElementById('cal').innerHTML = "<div id='embeddedCalendar'></div><div  style='padding:15px;' id='facebook_banner'><a target='_blank'  href='http://www.facebook.com/business/dashboard/#/pages/Warsaw-Poland/The-Centre-for-Polish-Studies/137342256063'><img src='/images/logo_facebook.jpg'/></a></div>";
		}