function agenda(year,_mes,dia){
        window.open('agenda/agenda.php?data='+year+'-'+_mes+'-'+dia+'&t=1','janela01','status=no,scrollbars=yes,menubar=no,resizable=no,width=690	,height=540,left=50,top=1');
    }

function mes(mes,year) {
        window.open('agenda/agenda.php?mes='+mes+'&ano='+year+'&t=2', 'janela01','status=no,scrollbars=yes,menubar=no,resizable=no,width=690	,height=540,left=50,top=1');
    }

function ano(year) {
        window.open('agenda/agenda.php?&ano='+year+'&t=3', 'janela01','status=no,scrollbars=yes,menubar=no,resizable=no,width=690	,height=540,left=50,top=1');
    }