function closeWin(k)
{
  var win = document.getElementById(k)
  var win_bg = document.getElementById('win_bg')
  win.style.display = "none"
  win_bg.style.display = "none"
}

function openWin(k)
{
  var win = document.getElementById(k)
  var win_bg = document.getElementById('win_bg')
  win_bg.style.display = "block"
  try
  {
        win.style.display = "table"
  }
  catch (error)
  {
        win.style.display = "block"
  }
}