Interesting blog about MovieClip cloning in AS3

http://www.dannyburbol.com/2009/01/movieclip-clone-flash-as3

Very useful AS3 MovieClip property for loop checking

var i:uint;
for (i = 0; this.hasOwnProperty(“item” + i + “_mc”); i++) {
// sample code
this["item" + i + "_mc"].init();
}