var DATE:Date = new Date(2000, 4, 10, 0, 0, 0, 0);

function timer() {

        var sec = DATE.getSeconds();

        var min = DATE.getMinutes();

        var hour = DATE.getHours();

        trace(sec);

        if (sec < 10) {

                sec = "0" + sec;

        }

        if (min < 10) {

                min = "0" + min;

        }

        if (hour < 10) {

                hour = "0" + hour;

        }

        tf_timer.text = hour+":"+min+":"+sec;

}

var ff = setInterval(this,"timer",1000);

function timer() 

{

   var date = new Date();

   var sec = date.getSeconds();

   var min = date.getMinutes();

   var hour = date.getHours();

...

function timer () {

        tf_timer.text = new Date ().toString ().split (" ")[3];

}

function timer () {

        tf_timer.text = new Date(2000, 4, 10, 0, 0, -1, getTimer () - cx).toString().split(" ")[3];

}

var cx:Number = getTimer ();

var ff:Number = setInterval (this, "timer", 1000);