function showItem(itemId)
{
		try
		{document.getElementById(itemId).style.visibility='visible';}
		catch(e){}
}
function hideItem(itemId)
{	
	try
	{document.getElementById(itemId).style.visibility='hidden';}
	catch(e){}
}
function onBackground(o)
{
	var path='/oro_home/images/menu_left_tile_hover.gif';
	o.background=path;
}
function offBackground(o)
{
	var path='/oro_home/images/menu_left_tile.gif';
	o.background=path;
}