MovieClip.prototype.fadeIn = function(){
	this.onEnterFrame = function(){
		if(this._alpha <100){
			this._alpha +=10;
			trace(this._alpha);
		}
		else{
			delete this.onEnterFrame;
		}
	}
}

var background_color = "000000";
background_color = "0x"+background_color;
var back_color:Color = new Color(background)
back_color.setRGB(background_color);
background._alpha = 0;
background_image._alpha = 0;
background_image.loadMovie("background.png");
background_image.fadeIn();