ActionScript 3.0 :: Make A Class That Loads An Image?

i'm trying to make a class that loads an image easily for me, and runs a callback function when its loaded.

I'm not sure if it would make sense to use a static function for this or create an instance of the class, I did it both ways. I'm wondering what ways better or if theres an even better way to do it.

LoaderPro:

Code:
package com.farzher {
import flash.display.Loader;
import flash.events.Event;

[Code].....

They both work but i'm not sure if LoaderPro could get garbage collected before it loads the image, doing something like this without referencing it in a variable.

Code:
new LoaderPro(xml.image[0].src, sup);