function siteInfoWin(system_id,section)
 {
  siwindow = window.open('','','width=600,height=450,resizable=yes,scrollbars');
  if (window.screenLeft)
   {
    siwindow.moveTo(window.screenLeft,window.screenTop);
   }
  else
   {
    siwindow.moveTo(window.screenX,window.screenY);
   }
  if (section.substring(0,1) == '/' || section.substring(0,4) == 'http')
   {
    siwindow.location.href = section;
   }
  else
   {
    siwindow.location.href='/play/eg_course_info.show_form?p_system_id=' + system_id + '&p_section=' + section;
   }
  siwindow.focus();
 }