var activeContentID;

			function showContent(id)
			{
				hideContent(activeContentID);
				activeContentID = id;

				var navObj = document.getElementById(id);
				navObj.className = 'selected';
				navObj.parentNode.className = 'leftNavSelected'; 
				document.getElementById('mainContent_' + id).style.display = 'block';
				return false;
			}
			function hideContent(id)
			{
				if (activeContentID)
				{
					var navObj = document.getElementById(id);
					navObj.className = 'unselected';
					navObj.parentNode.className = 'leftNavUnselected'; 
					document.getElementById('mainContent_' + id).style.display = 'none';
				}
			}

			function hideAllContent()
			{
				var content = document.getElementById('mainContent');
				var contentAreas = content.getElementsByTagName('div');
				for (var index = 0; index < contentAreas.length; index++)
				{
					contentAreas[index].style.display = 'none';
				}
			}

			window.onload = function()
			{
				hideAllContent();
				showContent('one');
			}

			function highlight(id)
			{
				var imgObj = document.getElementById(id);
				var imgName = '/education/images/homepgimages/' + id + '_a.jpg';
				imgObj.setAttribute("src", imgName);
			}
			
			function unHighlight(id)
			{
				var imgObj = document.getElementById(id);
				var imgName = '/education/images/homepgimages/' + id + '.jpg';
				imgObj.setAttribute("src", imgName);
			}
			
			function navtoURL()
			{	
				var dropdown = document.getElementById('countryListBox');
				var url = dropdown.options[dropdown.selectedIndex].value;
				location.href = url;			
			}