Macromedia Flash

Frame Based Auto Increment (Flash 5) +

ActionScript for Flash MX

// Replace with your frame numbers
var intFirstFrame = 5;
var intLastFrame = 170;
// For calculation and display only
var intCounter = 0;
var strCounter = "0000";
_root.onEnterFrame = function() {
    intCounter = Math.round(1000*(_currentframe-intFirstFrame)/
      (intLastFrame-intFirstFrame));
    if (intCounter < 0) {
        intCounter = 0;
    } else if (intCounter < 10) {
        strCounter = "000" + intCounter;
    } else if (intCounter < 100) {
        strCounter = "00" + intCounter;
    } else if (intCounter < 1000) {
        strCounter = "0" + intCounter;
    } else {
        strCounter = "1000";
    }
    // The "trace" is just for testing. You have to create
    // a dynamic text box which displays the variable "strCounter".
    trace(strCounter + ": " + _currentframe);
};