<!--
var ie = document.all; 
var ns6 = document.getElementById && !document.all; 
var ns = document.layers;

function show( id )
{
	if ( ie )
		document.all[ id ].style.visibility = 'visible';
	else if ( ns6 )
		document.getElementById( id ).style.visibility = 'visible';
	else if ( ns )
		document.layers[ id ].visibility = 'show';
};

function hide( id )
{
	if ( ie )
		document.all[ id ].style.visibility = 'hidden';
	else if ( ns6 )
		document.getElementById( id ).style.visibility = 'hidden';
	else if ( ns )
		document.layers[ id ].visibility = 'hide';
};

function zoom( src, width, height )
{
	var w = Math.ceil(width) + 30;
	var h = Math.ceil(height) + 30;
	zoomWin = window.open( src, 'zoom', 'width='+w+',height='+h+
		+',directories=0,menubar=0,resizeable=1,scrollbars=0,status=0,toolbar=0' );
};

//-->