function randomNumber (num) {
	ran = Math.random()*num;
	ran = Math.round(ran);
//	trace("random "+ran);
	return ran;
}

blob.onPress = function() {
	this.startDrag();
}

blob.onRelease = function() {
	this.stopDrag();
}

bob.onRollOver = function() {
	trace("on rollover works");
	depthCounter += 1;
	trace(depthCounter);
	this.duplicateMovieClip("duplicate"+depthCounter,depthCounter);
	_root["duplicate"+depthCounter]._x = randomNumber(Stage.width);
	_root["duplicate"+depthCounter]._y = randomNumber(Stage.height);
	_root["duplicate"+depthCounter]._alpha = randomNumber(80);

}

xdirection = 10;
ydirection = 10;
sally.onEnterFrame = function() {
	this._x += xdirection;
	this._y += ydirection;
	if ((this._x > Stage.width - this._width/2) || (this._x < this._width/2)) {
		xdirection *= -1;	
	}
	if ((this._y > Stage.height - this._height/2) || (this._y < this._height/2)) {
		ydirection *= -1;	
	}	
}