function open_nw(link)
{
  var win = window.open(link, 'new_win');
  win.focus();
}

function open_tool_nw(link)
{
  var win = window.open(link, 'new_win', 'height=330,width=330,left=200,top=300,scrollbars=yes,resizable,status=yes');
  win.focus();
}