var openedTab = null;
var selectedTab = null;

function swapTabs(tabId, liId)
{
	if (openedTab) openedTab.style.display='none';
	if (selectedTab) selectedTab.className='notSelected';
	openedTab = document.getElementById( tabId );
	openedTab.style.display = 'block';
	selectedTab = document.getElementById( liId );
	selectedTab.className = 'selected';
}