function move_up(v,dv,val) {
    var v_val = ((document.getElementById(dv).innerHTML.length) ) / val * v
    document.getElementById(dv).scrollTop = v_val;
  }
  
  function move_le(v,dv,val) {
    var v_val = ((document.getElementById(dv).innerHTML.length) ) / val * v
    document.getElementById(dv).scrollLeft = v_val;
  }