function doMail(world)
{

	var screenWidth		=	(screen.width - 514) / 2;
	var screenHeight	=	(screen.height - 330) / 2;

	var url = "/meta/emailthis/emailthis.jsp" + "?title=" + escape (document.title) + "&url=" + escape (document.location);

	newwin = window.open(url,"mailer","width=514,height=330,toolbar=no,resizable=no,scrollbars=no,location=no,directories=no,menubar=no,top="+screenHeight+",left="+screenWidth+"");
}