--- loncom/homework/lonhomework.pm	2007/07/23 23:30:47	1.268
+++ loncom/homework/lonhomework.pm	2007/09/21 17:25:58	1.268.2.2
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # The LON-CAPA Homework handler
 #
-# $Id: lonhomework.pm,v 1.268 2007/07/23 23:30:47 albertel Exp $
+# $Id: lonhomework.pm,v 1.268.2.2 2007/09/21 17:25:58 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -196,7 +196,8 @@ sub check_ip_acc {
 	return 1;
     }
     my $allowed=0;
-    my $ip=$ENV{'REMOTE_ADDR'};
+    my $ip=$env{'request.host'} || $ENV{'REMOTE_ADDR'};
+
     my $name;
     foreach my $pattern (split(',',$acc)) {
 	$pattern =~ s/^\s*//;
@@ -939,7 +940,7 @@ sub renderpage {
 	&Apache::lonxml::debug("Should be parsing now");
 	$result .= &Apache::lonxml::xmlparse($request, $target, $problem,
 					     &setup_vars($target),%mystyle);
-	undef($Apache::lonhomework::parsing_a_problem);
+	&finished_parsing();
 	if (!$output) { $result = ''; }
 	#$request->print("Result follows:");
 	if ($target eq 'modified') {
@@ -970,6 +971,11 @@ sub renderpage {
     }
 }
 
+sub finished_parsing {
+    undef($Apache::lonhomework::parsing_a_problem);
+    undef($Apache::lonhomework::parsing_a_task);
+}
+
 # with no arg it returns a HTML <option> list of the template titles
 # with one arg it returns the filename associated with the arg passed
 sub get_template_list {