function Exit(){
    var ent = document.getElementById('Lateral_Entrada').value.split('/');
    var sor = document.getElementById('Lateral_Sortida').value.split('/');
    var datent = new Date(ent[1]+'/'+ent[0]+'/'+ent[2]);
    var datsor = new Date(sor[1]+'/'+sor[0]+'/'+sor[2]);
    if(datsor.getTime() < datent.getTime())
        {
        datsor.setTime(datent.getTime()+(3*86400000));
        var dia = datsor.getDate();
        if(dia < 10){dia = '0' + dia;};
        var mes = datsor.getMonth()+1;
        if(mes < 10){mes = '0' + mes;};
        var any = datsor.getFullYear();
        document.getElementById('Lateral_Sortida').value = dia + '/' + mes + '/' + any ;
        }
        else
        {
        setTimeout('Exit()',2000);
        };
        }