setInterval stopped working without any reason at all

programming flash
1

Im really beginning to lose it… All i wanted to do is make a stopwatch with a couple more functions.
At first everything worked. Later i changed some code (nothing to do with the setInterval function) and suddenly it doesnt work anymore! All it does is execute a function once and then stops.

Here is my code:


var sekunde:Number = 0; //seconds
var minute:Number = 0; //minutes
var intervalID:Number;
var stoparicaTece:Boolean = false; //is the stopwatch running


osveziStoparico();

function povecajSekunde(){ //increases the seconds
    sekunde++;
    if(sekunde>=60){
        minute++;
        sekunde = 0;
        if(minute >= 60){
            minute = 0;
        }
    }//1 minute
    osveziStoparico();

}
function sproziStoparico(){ //initiates the stopwatch
    if(!stoparicaTece){ //ce stoparica se ni bila pognana
        intervalID = setInterval(povecajSekunde(), 1000);
        stoparicaTece = true;
    }
}

function ustaviStoparico(){ //stops the setInterval function
    clearInterval(intervalID);
    stoparicaTece=false;
}

function resetirajStoparico(){ //resets the stopwatch
    sekunde = 0;
    minute = 0;
    osveziStoparico();
}

function osveziStoparico(){ //displays current seconds&minutes 
    stoparica.text = minute+":"+sekunde;
}

Thanks for your help because right now i want to hurl my computer through the window!

edit: i already tried restoring it to original state but it didnt work