Ну... вот более полный *****код:

Код AS3:
for (var i=0; i <= roomAr.length-1; i++)
{
var sb:search_box = new search_box();
si.holder.addChild(sb);
sb.x = mX + 315;
sb.y = mY;// mY+120;
if (sb.x > 600)
{
sb.x = 65;
sb.y += 120;
}
sb.screen_mc.addChild(roomAr[i]);
sb.id_txt.text = idRoom[i];
mX = sb.x;
mY = sb.y;
sb.download_btn.addEventListener(MouseEvent.CLICK, download_room);
}
}
function download_room(e:MouseEvent):void
{
var target:MovieClip = e.currentTarget as MovieClip;
trace(target.id_txt.text);
trace(target.name);
}