function DrawBox(sName,fc,bc,w,h,x,y,dpth,opc,speed){
    ref = _root.createEmptyMovieClip(sName,dpth);    
    ref.lineStyle(0,0xFFFFFF,100);
    ref.moveTo(x,y);    
    ref.lineStyle(0,bc,opc);
    ref.beginFill(fc,opc);
    ref.lineTo(x+w,y);
    ref.lineTo(x+w,y+h);
    ref.lineTo(x,y+h);
    ref.lineTo(x,y); 
    ref.endfill();
    ref.onEnterFrame = function(){
        this._X -= _root.randomX;
        this._X *= speed;
        this._X += _root.randomX;
        this._Y -= _root.randomY;
        this._Y *= speed;               
        this._Y += _root.randomY;
        if(xxx>24){setStage()}        
        };
}
function setStage(){
    xxx=1;   
    randomX = random(stage.width);
    randomY = random(stage.height);        
    }
onLoad(){
    DrawBox("box",0x666666,0x000000,5,5,0,0,25,50,0.9) ;
    }
onEnterFrame(){
    xxx++;
    if(xxx>48){setStage()}
   _root.lineStyle(0,0x333333,25);
   _root.lineTo(box._X+2.5,box._Y+2.5);
    }