function hidediv(callid) 
{
	var myid = callid;
	
	if (document.getElementById) 
	{ // DOM3 = IE5, NS6
		document.getElementById(myid).style.visibility = 'hidden';
	}
	else 
	{
		if (document.layers) 
		{ // Netscape 4
			document.hideshow.visibility = 'hidden';
		}
		else 
		{ // IE 4
			document.all.hideshow.style.visibility = 'hidden';
		}
	}
}

function showdiv(callid) 
{
	var myid = callid;
	
	if (document.getElementById) 
	{ // DOM3 = IE5, NS6
		document.getElementById(myid).style.visibility = 'visible';
	}
	else 
	{
		if (document.layers) 
		{ // Netscape 4
			document.hideshow.visibility = 'visible';
		}
		else 
		{ // IE 4
			document.all.hideshow.style.visibility = 'visible';
		}
	}
}