How to remove external file text

1

Here i insert the code for a button…when the mouse rollsover a button the text will be called…how to remove the text when the mouse rolls out ?

on (rollOver){
loadText = new loadVars();
loadText.load(“yellow.txt”);
loadText.onLoad = function() {
colorname.text = this.colorname;
};
}

on (rollOut) {

[COLOR=crimson]i can’t figure this part out … Help please :([/COLOR]
}