Image loading from URL

Hi!

Quick Question… how do you get images in JSB (Cocos2d-JS v3.0 alpha).

If i use

var self=this;
cc.loader.loadImg(“http://critterbabies.com/wp-content/gallery/kittens/Cute-Kitten-kittens-16122946-1280-800.jpg”, {isCrossOrigin : true}, function(e, img){
var sprite = cc.Sprite.create(img);
self.addChild(sprite);
});

it works on html
but in JSB i get jsb_boot.js:375:ReferenceError: Image is not defined

Thank you