function show(area)
		{
					content_area = document.getElementById('sidebar')
					var containers = content_area.getElementsByTagName('div')
					
						for (i=0; i<containers.length; i++)
							{
							
								var this_container = document.getElementById(containers[i].id)
								if (this_container != undefined)
									{
										if (this_container.id == (area))
											{this_container.style.display = 'block'}
										else
											{this_container.style.display = 'none'}
									}
							};
		};