//　テキストのスクロール



var speed=150;

var loop,timer;



function MoveArea(x,y){ 

    this.x=x;

    this.y=y; 

    this.css.left=this.x; 

    this.css.top=this.y; 

} 



function MoveAreaDown(move){

  if(this.y>-this.scrollHeight+container.clipHeight){ 

    this.MoveArea(0,this.y-move) 

    if(loop){

      timer=setTimeout(this.obj+".down("+move+")",speed);

    }

  } 

}

 

function MoveAreaUp(move){ 

  if(this.y<0){ 

    this.MoveArea(0,this.y-move);

    if(loop){ 

      timer=setTimeout(this.obj+".up("+move+")",speed);

    } 

  }

}



function StartScroll(speed){ 

  if(initial){ 

    loop=true; 

    if(speed>0){

      scroller.down(speed);

    }else{

      scroller.up(speed);

    }

  } 

}



function StopScroll(){ 

  loop=false;

  if(timer){ 

    clearTimeout(timer);

  } 

}