--- loncom/homework/structuretags.pm	2007/07/23 23:30:47	1.384
+++ loncom/homework/structuretags.pm	2007/08/03 23:29:57	1.386
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA 
 # definition of tags that give a structure to a document
 #
-# $Id: structuretags.pm,v 1.384 2007/07/23 23:30:47 albertel Exp $
+# $Id: structuretags.pm,v 1.386 2007/08/03 23:29:57 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -319,7 +319,7 @@ sub problem_web_to_edit_header {
     $result.= ' />'.$show_all_foils_text.'</label></span>'.
 	&Apache::loncommon::help_open_topic('Problem_Editor_Testing_Area','Testing Problems').
 	'<hr />';
-    $result.=&mt('Apply style file').'
+    $result.=&mt('Apply style file: ').'
 <input type="text" name="style_file" value="'.&HTML::Entities::encode($env{'construct.style'},'"<>&').'" />
  <a href="javascript:openbrowser(\'lonhomework\',\'style_file\',\'sty\')">'.&mt('Select').'</a>
 <input type="submit" name="clear_style_file" value="'.&mt('Clear').'" />
@@ -1081,7 +1081,7 @@ sub start_block {
     if ($target eq 'web' || $target eq 'grade'   || $target eq 'answer'  ||
 	$target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
 	my $code = $token->[2]->{'condition'};
-	if (defined($code)) {
+	if (defined($code) && $code ne '') {
 	    if (!$Apache::lonxml::default_homework_loaded) {
 		&Apache::lonxml::default_homework_load($safeeval);
 	    }
@@ -1375,8 +1375,7 @@ sub start_part {
 	                                     # duedates.
     }
     my $result='';
-    my $id= &Apache::lonxml::get_param('id',$parstack,$safeeval);
-    if ($id =~ /^\s*$/) { $id = $Apache::lonxml::curdepth; }
+    my $id= &Apache::lonxml::get_id($parstack,$safeeval);
     $Apache::inputtags::part=$id;
     push(@Apache::inputtags::partlist,$id);
     @Apache::inputtags::response=();