function open_preview(oThis)
  {
    var Win = window.open (oThis.href, "newin", "width=800, height=600, top=100, left=100, status=0, toolbar=0, location=0");
    try
      {
        Win.focus();
      }
    catch(error)
      {
      }
    return false;
  }

function WinPopup(oThis, width, height)
  {
          var Win = window.open(oThis.href, "Win", "top=50, left=50, width="+width+", height="+height+", status=0, toolbar=0, location=0, menubar=0, directories=0, resizable=1, scrollbars=1");
          try
            {
              Win.focus();
            }
          catch(error)
            {
            }

          return false;
  }