function showVenues()
		{
		if (document.getElementById('venueDiv').style.display == 'none')
			{
			document.getElementById('venueDiv').style.display='block';
			document.getElementById('confDiv').style.display='none';
			}
		else
			{
			document.getElementById('venueDiv').style.display = 'none';
			document.getElementById('confDiv').style.display='none';
			}
		}	
		
		
		function showConferences()
		{
		if (document.getElementById('confDiv').style.display == 'none')
			{
			document.getElementById('confDiv').style.display='block';
			document.getElementById('venueDiv').style.display='none';
			}
		else
			{
			document.getElementById('confDiv').style.display = 'none';
			document.getElementById('venueDiv').style.display='none';
			}
		}
		
		
		function showFfile()
		{
		if (document.getElementById('factDiv').style.display == 'none')
			{
			document.getElementById('factDiv').style.display='block';
			}
		else
			{
			document.getElementById('factDiv').style.display = 'none';
			}
		}