var temp = "subroot";
if (!is_nav5up)
{
	layerRef = "document.layers";
	styleRef = "";
}

if (is_nav5up)
{
	layerRef = "document.getElementById";
	styleRef = ".style";
}

if (is_ie)
{
	layerRef = "document.all";
	styleRef = ".style";
}	

function showText(x)
{
	if (is_nav5up)
	{
		eval( "document.getElementById('" + x + "').style.visibility='visible'");
	}

	if (is_ie)
	{
		eval ( "document.all['" + x + "'].style.visibility='visible'");
	}

	if (is_nav && !is_nav5up)
	{
		eval("document.layers['root'].document.layers['" + x + "'].visibility='visible'");
	}
}

function hideText(x)
{
	if (is_nav5up)
	{
		eval( "document.getElementById('" + x + "').style.visibility='hidden'");
	}

	if (is_ie)
	{
		eval ( "document.all['" + x + "'].style.visibility='hidden'");
	}

	if (is_nav && !is_nav5up)
	{
		eval("document.layers['root'].document.layers['" + x + "'].visibility='hidden'");
	}

}

function display(x)
{
	hideText(temp);
	showText(x);
	temp = x;	
}