Mc1.addEventListener(MouseEvent.ROLL_OVER, function(e:Event) {

         bLight.showBlur(Mc1);

 });

Mc2.addEventListener(MouseEvent.ROLL_OVER, function(e:Event) {

         bLight.showBlur(Mc2);

});

Mc3.addEventListener(MouseEvent.ROLL_OVER, function(e:Event) {

         bLight.showBlur(Mc3);

});

 

//etc...

for (var i:uint = 0; i < 20; i++)

        this.getChildByName("Mc" + i).addEventListener(MouseEvent.ROLL_OVER, onOver);

 

function onOver (event:MouseEvent):void {

        bLight.showBlur(event.target);

}

this.getChildByName("Mc" + i)

container.addEventListener(MouseEvent.ROLL_OVER, this.handler_over);

 

function handler_over(event:Event):void {

     this.bLight.showBlur(event.target as DisplayObject);

}