function janelaCadastro (nif) {
	var opened = window.open("", "DadosCadastro", 'width=400,height=300,menubar=no,location=no,resizable=yes,scrollbars=yes,status=no,toolbar=no,titlebar=no');
	if (opened != null) {
		opened.document.write('Cadastro do contribuinte ' + nif);
		opened.focus();
	}
}

var opened;

function janelaPDF (url, title) { 
/*
	if (opened != null && navigator.appVersion.match(/\bMSIE\b/)) {
		alert('Por favor, feche a janela de impressão de rendas');
		return false;
	}
	*/
	try {
		janela(url, title, 750, 500, 'yes', 'yes');
	} catch (e) {
		alert('Por favor, feche a janela de impressão de rendas');
		return false;
	}
	return true;
}

function janela (url, title, width, height, scrollbars, resize) {
	if (scrollbars == null) scrollbars='no';
	if (resize == null) resize='no';
	opened = window.open(url, title, 'width='+width+',height='+height+',menubar=no,location=no,resizable='+resize+',scrollbars='+scrollbars+',status=yes,toolbar=no,titlebar=no');
	if (opened != null) opened.focus();
}