Tween and Blur

Hello

I am trying to add a simple Tween adn Blur effect via Action script to a circle movie clip when a button is clicked…

If i try comment the Blur and try the Tween or the other way it works but not both together… How can I do a Tween Blur effect together…

I have also attached my fla file and Here is my code


on (release) {
	// Blur 
        var myBlur = new flash.filters.BlurFilter(100,100,10);
	var myTempFilters:Array = circle_mc.filters;
	myTempFilters.push(myBlur);
	circle_mc.filters = myTempFilters;

	// Tween	
	myTween.onMotionFinished = function() {
    	myTween.start();
		}; 
	
	import mx.transitions.Tween;
	var myTween:Tween = new Tween(circle_mc, "_x", mx.transitions.easing.None.easeNone,0, Stage.width, 50, false);

}

Thanks