dir = 0;

function setDirUp()
{
    dir=1;
}

function setDirDn()
{
    dir=2;
}

function SetDirStop()
{
     dir=0;
}


function move()
{
        
  	if (dir==1)
	{
		move_up();
	}

  	if (dir==2)
	{
		move_down();
	}
	
}

  function move_up() {

    document.getElementById('scroll_clipper').scrollTop = document.getElementById('scroll_clipper').scrollTop - 10;
  }
  
  function move_down() {

    document.getElementById('scroll_clipper').scrollTop = document.getElementById('scroll_clipper').scrollTop + 10 ;
  }
  
  setInterval("move()",10);

  function setScroolPostion(pos){
        if (pos > 0){
            newClipperPos = 20 + (pos * 90);
            //alert('pos '+ newClipperPos);
            document.getElementById('scroll_clipper').scrollTop = newClipperPos;      
        }    
  }