var lastmoddate = new Date(document.lastModified) ;
weekday = "";
month = "";

if (lastmoddate == null) {              
  document.writeln("Lastmodified: Unknown");
} else {
  intVal = parseInt( lastmoddate.getDay() );
  if ( isNaN( intVal ) ) {
   document.write("this page was last updated on " + Date(document.lastModified) );
  } else {
    switch ( lastmoddate.getDay() ) {
      case 0: weekday = "sunday";  break;
      case 1: weekday = "monday";  break;
      case 2: weekday = "tuesday";  break;
      case 3: weekday = "wednesday";  break;
      case 4: weekday = "thursday";  break;
      case 5: weekday = "friday";  break;
      case 6: weekday = "saturday";  break;
      default: weekday = "";
    }
    switch ( lastmoddate.getMonth() ) {
      case 0: month = "january";  break;
      case 1: month = "february";  break;
      case 2: month = "march";  break;
      case 3: month = "april";  break;
      case 4: month = "may";  break;
      case 5: month = "june";  break;
      case 6: month = "july";  break;
      case 7: month = "august";  break;
      case 8: month = "september";  break;
      case 9: month = "october";  break;
      case 10: month = "november";  break;
      case 11: month = "december";  break;
      default: month = "";
    }
    document.writeln("this page was last updated on " + weekday + ", " + month + " " + lastmoddate.getDate() + " " + lastmoddate.getFullYear() );
  }
}