--- loncom/interface/lonannounce.pm	2003/05/23 16:14:33	1.12
+++ loncom/interface/lonannounce.pm	2003/06/18 15:02:20	1.13
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # Announce
 #
-# $Id: lonannounce.pm,v 1.12 2003/05/23 16:14:33 www Exp $
+# $Id: lonannounce.pm,v 1.13 2003/06/18 15:02:20 www Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -263,9 +263,19 @@ ENDDOCUMENT
     my ($pm,$py,$fm,$fy)=($month-1,$year,$month+1,$year);
     if ($pm<1) { ($pm,$py)=(12,$year-1); }
     if ($fm>12){ ($fm,$fy)=(1,$year+1); }
+    if (($year<1970) || ($year>2037)) {
+    }
     $r->print('<h1>'.('','January','February','March','April','May',
 		      'June','July','August','September','October',
-                      'November','December')[$month].' '.$year.'</h1>'.
+                      'November','December')[$month].' '.$year.'</h1>');
+# Reached the end of times, give up
+    if (($year<1970) || ($year>2037)) {
+	$r->print('<h3>No calendar available for this date.</h3>'.
+ '<a href="/adm/announcements?month='.$todayhash{'month'}.
+ '&year='.$todayhash{'year'}.'">Current Month</a></body></html>');
+	return OK;
+    }
+    $r->print(
  '<a href="/adm/announcements?month='.$pm.'&year='.$py.'">Previous Month</a> '.
  '<a href="/adm/announcements?month='.$fm.'&year='.$fy.'">Next Month</a>'.
  '&nbsp;&nbsp;&nbsp;<a href="/adm/announcements?month='.$todayhash{'month'}.