Move blinking cursor too

Question

I've got a main textfield myTextfield01. When I put focus on another textfield which is empty (either manually by clicking on another field, or like below using setFocus) I want the focus to go back to myTextField01 again. And put the blinking cursor and the very end of whatever is typed into it. So I tried this.
myTextfield01.onKillFocus = function(newFocus:Object) {
    if (newFocus.text == "") {
        Selection.setFocus(myTextfield01);
        Selection.setSelection(myTextfield01.text.length-1, myTextfield01.text.length);
But that didn't work. It went back to myTextfield01, but the blinking cursor stayed at the empty textfield and any text typed would be added to that empty field.
When I put this in frame one:
myTextfield01.onKillFocus = function(newFocus:Object) {
    if (newFocus.text == "") {
        nextFrame());
And this in frame two:
        Selection.setFocus(myTextfield01);
        Selection.setSelection(myTextfield01.text.length-1, myTextfield01.text.length);
it did work. Both focus and cursor where in myTextfield01 again.
So why doesn't it work when I combine it all in one frame?

Answer 1

use the trace() function with the code i gave so you understand the sequence of events dispatched by flash.
myTextfield01.onKillFocus = function(newFocus:Object) {
trace("kill focus event: where you keep trying to setfocus");
    nf=newFocus
this.onMouseUp=function(){
trace("mouse up event.  focus is changed to: "+Selection.getFocus());
if(nf&&nf.text==""){
Selection.setFocus(myTextfield01);
varL=myTextfield01.text.length;
Selection.setSelection(varL,varL);
nf=null;