function Minutes(data)
 {
    for (var i = 0; i < data.length; i++)
        if (data.substring(i, i + 1) == ":")
        break;
        return (data.substring(0, i));
}

function Seconds(data) 
{
    for (var i = 0; i < data.length; i++)
        if (data.substring(i, i + 1) == ":")
        break;
        return (data.substring(i + 1, data.length));
}

function Display(min, sec) 
{
    var disp;
    if (min <= 9) disp = " 0";
    else disp = " ";
    disp += min + ":";
    if (sec <= 9) disp += "0" + sec;
    else disp += sec; 
    return (disp);
}

function Down() 
{ 
    var reinicia = document.getElementById('ctl00_reinicia').value;
    if (reinicia != null)
    {
        if (reinicia == 1)
        {
            document.getElementById('ctl00_reinicia').value = 0;
            timeIt();
        }
        else
        {
            sec--;      
            if (sec == -1) { sec = 59; min--; }

            // document.getElementById('ctl00_clock').value = Display(min, sec);
            if (document.getElementById('ctl00_ver_timeout').value == "1") 
            {
               window.status = "La session termina en : " + Display(min, sec);
            }
            // si queda menos de 1 minutos, le sacamos el popup
            if (min == 1 && sec == 2) 
            {
                //alert("Your session has timed out.");
                lanza_ventgana_sesion();
                //window.location.href = timedouturl;
            }
            else down = setTimeout("Down()", 1000);
        }
    }
}



function timeIt() 
{

    min = 1 * Minutes(document.getElementById('ctl00_clock').value);
    sec = 0 + Seconds(document.getElementById('ctl00_clock').value);
  
    Down();
}