function BinaryLoader(loadItem) {
		this.AbstractLoader_constructor(loadItem, true, createjs.Types.BINARY);
		this.on("initialize", this._updateXHR, this);
	}
A loader for binary files. This is useful for loading web audio, or content that requires an ArrayBuffer.
@class BinaryLoader
@param {LoadItem|Object} loadItem
@extends AbstractLoader
@constructor