function subMenu(obj, state) {
	var menu = document.getElementsByTagName("table");
	menu[obj].style.visibility=state;
}
function showImage (id, w, h) {
	href = "/screenshot/image_" + id + ".htm";
	w += 20;
	h += 10;
	sh = screen.height - 80;
	if (document.all) sh -= 40;
	sw = screen.width;
	if (h > sh) h = sh;
	if (w > sw) w = sw;
	posX = sw/2 - w/2;
	posY = sh/2 - h/2;
	if (posY < 0) posY = 0;
	if (posX < 0) posX = 0;
	posCode = (document.all) ? ",left=" + posX + ",top=" + posY : ",screenX=" + posX + ",screenY=" + posY;
	moreWin = window.open (href, "primedia", "status=no, toolbar=no, menubar=no, scrollbars=no, resizable=no, location=no, width=" + w + ", height=" + h + posCode);
	moreWin.focus();
}
function open_close(id) {
	span_obj = document.getElementById('table'+id);
	if (span_obj.style.display == '') {
		span_obj.style.display = 'none'; 
	}
	else
	{
		span_obj.style.display = '';
	}
}