var secs
var timerID = null
var timerRunning = false
var delay = 1000

function InitializeTimer() {
    // Set the length of the timer, in seconds
    secs = 15
    StopTheClock()
    StartTheTimer()
}

function StopTheClock() {
    if (timerRunning)
        clearTimeout(timerID)
    timerRunning = false
}

function StartTheTimer() {
    if (secs == 0) {
        StopTheClock()
        // Here's where you put something useful that's
        // supposed to happen after the allotted time.
        // For example, you could display a message:
        document.getElementById("ContentPlaceHolder1_dv_pub_dh").style.display = "none";
    }
    else {
        secs = secs - 1
        timerRunning = true
        timerID = self.setTimeout("StartTheTimer()", delay)
    }
}

function FechaDH() {
    document.getElementById("ContentPlaceHolder1_dv_pub_dh").style.display = "none";
}