algo de ActionScript

[bocaraton]

Prueba con esto

set("var", Number(eval("var"))+1);

int = Number(random(7))+1;

duplicateMovieClip("/" add int, "MC" add eval("var"), eval("var"));

randx = random(7);

setProperty("MC" add eval("var"), _x, Number(randx*81)+60);

setProperty("MC" add eval("var"), _y, 250);

if (eval("pos" add randx) <> 0) {
kill = eval("pos" add randx);
}

removeMovieClip("MC" add kill);

set("pos" add randx, eval("var"));