function sh(id)
{
dom1 = (document.getElementById)? true : false;
nn4 = (document.layers)? true : false;
ie4 = (document.all) && !dom1? true : false;
	if (nn4)
	{
		objshow1 = "document.layers[\"";
		objshow2 = "\"].visibility";
		show = "visible";
		hide = "hide";
	}
	else if (ie4)
	{
		objshow1 = "document.all[\"";
		objsow2 = "\"].style.visibility";
		show = "visible";
		hide = "hidden";
	}
	else if (dom1)
	{
		objshow1 = "document.getElementById(\"";
		objshow2 = "\").style.visibility";
		show = "visible";
		hide = "hidden";
	}
	else
	{
		objshow1 = "";
		objshow2 = "";
		show = "";
		hide = "";
	}
	
	a = 0;
	b = div.length;
	//document.write(b);	
	
	while (a <= b)
	{
		i = div[a];		
		if (i!=null)
		{
			if (eval(objshow1 + "sub-menu" + i + objshow2)!="")
			{
				if (i == id)
				{
					if (eval(objshow1 + "sub-menu" + i + objshow2 + ".toLowerCase()==\"" + hide + "\".toLowerCase()"))
					{
						eval(objshow1 + "sub-menu" + i + objshow2 + "=\"" + show + "\";");
					}
					else
					{
						eval(objshow1 + "sub-menu" + i + objshow2 + "=\"" + hide + "\";");
					}
				}
				else
				{
					eval(objshow1 + "sub-menu" + i + objshow2 + "=\"" + hide + "\";");
				}
			}
			else if (i == id)
			{
				navigate(i);
			}
		}
			a++
	}	
}

function navigate(id)
{
	window.location.href = nv[id];
}