function abrir(URL) {
		var width = 820;
		var height = 660;
		var left = 250;
		var top = 0;
		window.open(URL,'janela', 'width='+width+', height='+height+', top='+top+', left='+left+', scrollbars=no, status=no, toolbar=no, location=no, directories=no, menubar=no, resizable=no, fullscreen=no');
		}