Translate AS2 code to AS3

sliceArray=["slice1","slice2","slice3","slice4","slice5","slice6","slice7",
"slice8","slice9","slice10"];

function rotateMC(num:Number)
    {
    for (i=0;i<= sliceArray.length;i++)
        {
            var myName=eval(sliceArray);
            myName._rotation+=num;
        }
    }

btn1.onPress=function(){
this.onEnterFrame=function(){
    rotateMC(10);
}
}

btn1.onRelease=function(){
delete this.onEnterFrame;
}

btn2.onPress=function(){
this.onEnterFrame=function(){
    rotateMC(-10);
}
}

btn2.onRelease=function(){
delete this.onEnterFrame;
}