--- loncom/interface/statistics/lonproblemanalysis.pm	2002/12/11 21:39:57	1.17
+++ loncom/interface/statistics/lonproblemanalysis.pm	2002/12/13 21:39:19	1.18
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # (Publication Handler
 #
-# $Id: lonproblemanalysis.pm,v 1.17 2002/12/11 21:39:57 minaeibi Exp $
+# $Id: lonproblemanalysis.pm,v 1.18 2002/12/13 21:39:19 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -436,7 +436,7 @@ sub DrawGraph {
     $GData  = $Titr.'&Concepts&Answers&'.$Max.'&'.$P_No.'&';
     $GData .= (join(',',@data1)).'&'.(join(',',@data2));
 
-    return '<IMG src="/cgi-bin/graph.gif?'.$GData.'" border=1/>';
+    return '<IMG src="/cgi-bin/graph.png?'.$GData.'" border=1/>';
 }
 
 sub DrawTable {