How should I customize the code to work in mx 2004

1

this code was in one of the tutorials for loading external text with buttons, but it does not work in mx 2004. any suggestions? thanks, Kinga

loadText.onLoad = function(success) {
if (success) {
// trace(success);
newsBox.html = true;
newsBox.htmlText = this.myNews;
}
};
}