Flash ActionScript2.0 ボール

1. Flash ActionScript2.0 ボール複製
this.makemc();
function makemc(){
for(i=1; i<=5; i++){
x=30*i;
y=30*i;
depth = i;
new name = "ball"+i;
props = {_x:x, _y:y};
ball_mc.duplicateMovieClip(newname,depth,props);
}
}