<!--

var old;
var memold;

if(document.layers)
{
	window.captureEvents(Event.MOUSEUP);
	window.onmouseup=do_out;
} else
{
	document.onmouseup=t;
}


function shw_lr(x)
{
	if(document.layers)
		document.layers[x].visibility="show";
	else
		document.all[x].style.visibility="visible";
}

function hd_lr(x)
{
	if(document.layers)
		document.layers[x].visibility="hide";
	else
		document.all[x].style.visibility="hidden";
}

function mn(x)
{
	if(!old)
		old=memold;

	if(old!=x)
	{
		shw_lr(x);
		old=x;
	} else
		old="";
}

function chck(x)
{
	if(old && old!=x)
	{
		hd_lr(old);
		shw_lr(x);
		old=x;
	}
}

function t()
{
	if(old)
		hd_lr(old);

	memold=old;
	old="";
}

//-->