lastItem2 = '';

function showHide2(currentItem2)
{
	if (lastItem2 != '')
		hide2(lastItem2);
	
	show2(currentItem2);	
	lastItem2 = currentItem2;	
}

function hide2(item)
{
	document.getElementById(item).style.display='none';
}

function show2(item)
{
	document.getElementById(item).style.display='block';	
}