function enviar_formulario(){
	document.getElementById('formulario').submit();
}
function altera_input(n){
	document.getElementById('voto').value=n;
	enviar_formulario();
}
function abrir_janela(url,width,height){
   config="";
   config+="toolbar=no,";
   config+="resizable=no,";
   config+="scrollbars=no,";
   config+="width="+width+",";
   config+="height="+height;
   open(url,"",config);
}