var prevmenu, prevtab;

function subMenu(obj, menu)
{
	var elem;
	if (document.getElementById)
	{
		if (prevmenu)
		{
			elem = document.getElementById(prevmenu);
			if(elem)
			{
				elem.style.display = "none";
			}
		}
		elem = document.getElementById(menu);
		if(elem)
		{
			elem.style.display = "block";
		}
		if (prevtab)
		{
//			prevtab.parentNode.className = "menu1";
		}
//		obj.parentNode.className = "menu1active";
		prevmenu = menu;
		prevtab = obj;
	}
}

try {  document.execCommand('BackgroundImageCache', false, true);} catch(e) {}