perché non funzia !!!!

for (i=1;i<=(Number(repeat));i++){
x=_root["x"+i];
y=_root["y"+i];

duplicateMovieClip(link,"link"+i,i);
setProperty("link"+i,_x,Number(x));
setProperty("link"+i,_y,Number(y)+100);
["link"+1].id=_root["id"+(i)];

}