if( currentPage == undefined )
{
	var currentPage = "home";
	var currentItem = "itm_home";
}

function showMenuItem( item, show )
{
	var sVisible = "hidden";
	if( show )
	{
		sVisible = "visible";
	}
	(top.document.getElementById('menu')).contentWindow.document.getElementById( item ).style.visibility = sVisible;
	if( show && item != currentPage )
	{
		showMenuItem( currentPage, false );
	}
	
	if( item == currentPage && item != currentItem )
	{
		highlightCurrentItem();
	}
}

function highlightCurrentItem()
{
	(top.document.getElementById('menu')).contentWindow.document.getElementById( currentItem ).className = "submenuitemhover";
}