cupLayer.removeEventListener(LMouseEvent.MOUSE_DOWN);
backLayer.addEventListener(LMouseEvent.MOUSE_UP, cupClose);
cupLayer.removeChild(cup);
xxList=null;
xxList=new Array();
var nums=num.split(",");
var tmpX=110;
var tmpY=400;
var xx;
for(i=0;i<6;i++){
xx=new X(nums);
xx.x=tmpX;
xx.y=tmpY;
backLayer.addChild(xx);
xxList.push(xx);
tmpX=tmpX+xx.getWidth();