[as2] help tween

programming flash
1

for (var i:Number = 0; i < 8; i++) {
duplicateMovieClip(“su”,newname=“Esu”+i,i);
}

function efekt(x1:Number,x2:Number,y1:Number,y2:Number,hiz:Number){

for (var a:Number = 0; a < 8; a++) {
var “Ty”+a:Tween =new Tween(“Esu”+a, “_y”, Strong.easeOut, y1, y2+(a5), hiz-(a2), false);
var “Tx”+a:Tween =new Tween(“Esu”+a, “_x”, Regular .easeOut, x1, x2-(a10), hiz-(a2), false);
}
}

i want to call the tweens like Ty1, Tx1,Ty2,Tx2,…
but i couldnt do it.
Can somebody help me to fix the code?