function showAbout(file_name)
	{
	objNewWindow6=window.open(file_name,"about", "top=100,left=100,width=500,height=200,toolbar=no,menubar=0,location=0,directories=no,channelmode=no,scrollbars=yes");
	objNewWindow6.focus();
	};

function closeAbout()
	{
if (objNewWindow6) if (!objNewWindow6.closed) objNewWindow6.close();
	};