var win_lavoro;
var win_video;

function open_lavoro(obj_a)
  {
  if (win_lavoro)
    try { win_lavoro.close() } catch(e) {};

  win_lavoro = window.open(obj_a.href, 'lavori', 'width=460, height=596, resizable=0, scrollbars=0, menubar=0, toolbar=0, top=10, left=10');
  win_lavoro.focus();
  return false;
  }

function open_video(obj_a, s_width, s_height)
  {
  if (!s_width && !s_height)
    {
    s_width = 320;
    s_height  = 240;
    }

  if (win_video)
    try { win_video.close() } catch(e) {};

  win_video = window.open(obj_a.href, 'videoreel', 'width='+s_width+', height='+s_height+', resizable=0, scrollbars=0, menubar=0, toolbar=0, top=10, left=10');
  win_video.focus();
  return false;
  }