function abrir_boletim(URL,width,height) {

  var left = 0;
  var top = 0;
  window.open(URL,'janela', 'width='+width+', height='+height+', scrollbars=yes, status=no, toolbar=no, location=no, directories=no, menubar=no, resizable=no, fullscreen=yes');

}

function habilita ()
{
	if(document.getElementById('arquivoBoletim').style.height == '1px')
	{
		document.getElementById('arquivoBoletim').style.height = 'auto';
	}
	else
	{
		document.getElementById('arquivoBoletim').style.height = '1px';
	}
}