function AbreJanela(link, x, y, s) {

		var t = (screen.height - y) / 2;
		var e = (screen.width - x) / 2;

		window.open(link,'','width=' + x + ',height=' + y + ',scrollbars=0,toolbar=0,location=0,status=0,menubar=0,resizable=0,left=' + e + ',top=' + t + '');

	}