var currentId = 0;
					var changeAbout = true;
					setInterval("CountdownTimer()",7000);
					
					function DisplayAboutSection(id, show)
					{
						document.getElementById('aboutSection' + id).className = (show == true) ? 'selected' : '';
						document.getElementById('about' + id).style.display = (show == true) ? 'block' : 'none';
					}
					
					function CountdownTimer()
					{
						if (changeAbout)
						{
							DisplayAboutSection(currentId, false);
							if(currentId < 5)
							{ 
								currentId++;
							}
							else
							{
								currentId = 0;
							}
							DisplayAboutSection(currentId, true);
						}
					}
					
					function GotoAbout(id)
					{
						changeAbout = false;
						DisplayAboutSection(currentId, false);
						currentId = id;
						DisplayAboutSection(currentId, true);
					}