--- loncom/xml/lontexconvert.pm	2011/02/10 19:28:29	1.105
+++ loncom/xml/lontexconvert.pm	2011/05/27 18:34:07	1.107
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # TeX Conversion Module
 #
-# $Id: lontexconvert.pm,v 1.105 2011/02/10 19:28:29 raeburn Exp $
+# $Id: lontexconvert.pm,v 1.107 2011/05/27 18:34:07 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -165,10 +165,12 @@ sub clean_out_math_mode {
 
 sub displaystyle {
     my ($texstring)=@_;
-    #has a $$ or \[ or \displaystyle in it, guessinng it's display mode
+    #has a $$ or \[ or \displaystyle or eqnarray in it, guessinng it's display mode
     if ($$texstring=~/[^\\]\$\$/ ||
-	$$texstring=~/\\\[/ ||
-	$$texstring=~/\\displaystyle/) { return 1; }
+        $$texstring=~/\\\[/ ||
+        $$texstring=~/\\displaystyle/ ||
+        $$texstring=~/eqnarray/
+       ) { return 1; }
     return 0;
 }
 
@@ -250,9 +252,9 @@ sub mimetex_valign {
     my $path = '/cgi-bin/mimetex.cgi?'.$esc_texstring;
     my $socket;
     &Apache::lonxml::start_alarm();
-    my $socket = IO::Socket::INET->new(PeerAddr => $hostname,
-                                        PeerPort => 'http(80)',
-                                        Proto    => 'tcp');
+    $socket = IO::Socket::INET->new(PeerAddr => $hostname,
+                                    PeerPort => 'http(80)',
+                                    Proto    => 'tcp');
     if ($socket) {
         my $headreq = "HEAD $path HTTP/1.0\r\n\r\n";
         print $socket $headreq;
@@ -289,7 +291,7 @@ sub mimetex_converted {
     my $valign = &mimetex_valign($esc_texstring);
     my $result='<img src="/cgi-bin/mimetex.cgi?'.$esc_texstring.'" style="vertical-align:'.$valign.'px" alt="'.$alt_string.'" />';
     if ($displaystyle) {
-	$result='<center>'.$result.'</center>';
+	$result='<div style="text-align:center">'.$result.'</div>';
     }
     return $result;
 }