--- loncom/homework/structuretags.pm	2007/09/12 07:59:51	1.398
+++ loncom/homework/structuretags.pm	2007/10/12 18:45:03	1.402
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA 
 # definition of tags that give a structure to a document
 #
-# $Id: structuretags.pm,v 1.398 2007/09/12 07:59:51 www Exp $
+# $Id: structuretags.pm,v 1.402 2007/10/12 18:45:03 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -92,6 +92,31 @@ sub end_tex {
     return '';
 }
 
+sub homework_js {
+    return &Apache::loncommon::resize_textarea_js().
+	<<'JS';
+<script type="text/javascript">
+function setSubmittedPart (part) {
+   this.document.lonhomework.submitted.value="part_"+part;
+}
+
+function image_response_click (which, e) {
+    init_geometry();
+    if (!e) { e = window.event; } //IE
+    var input_element = document.lonhomework.elements[which];
+    var token_element = document.lonhomework.elements[which+'_token'];
+    var token = token_element.value;
+    var img_element   = document.getElementById(which+'_imageresponse');
+    var x= e.clientX-getX(img_element)+Geometry.getHorizontalScroll();
+    var y= e.clientY-getY(img_element)+Geometry.getVerticalScroll();
+    var click = x+':'+y;
+    input_element.value = click;
+    img_element.src = '/adm/randomlabel.png?token='+token+'&clickdata='+click;
+}
+</script>
+JS
+}
+
 sub page_start {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$name,
 	$extra_head)=@_;
@@ -108,13 +133,7 @@ sub page_start {
 					   $parstack,$parser,$safeeval);
     }
 
-    $extra_head.= '
-<script type="text/javascript">
-function setSubmittedPart (part) {
-   this.document.lonhomework.submitted.value="part_"+part;
-}
-</script>
-';
+    $extra_head .= &homework_js();
 
     my %body_args;
     if (defined($found{'html'})) {
@@ -139,7 +158,9 @@ function setSubmittedPart (part) {
     } elsif (!defined($found{'body'}) 
 	     && $env{'request.state'} eq 'construct') {
 	if ($target eq 'web' || $target eq 'edit') {
-	    # no extra args to bodytag
+	    if ($env{'environment.remote'} ne 'off') {
+		$body_args{'only_body'}  = 1;
+	    }
 	}
     } elsif (!defined($found{'body'})) {
 	my %add_entries;
@@ -1149,29 +1170,31 @@ sub start_languageblock {
 # Now loop over all languages in order of preference
         foreach my $preferred_language (@preferred_languages) {
 # If the languageblock has no arguments, show the contents
-           $result='1';
+           $result=1;
+           my $found=0;
 # Do we have an include argument?
 	   if ($include) {
 # If include is specified, by default, don't render the block
-              $result='';
+              $result=0;
               foreach my $included_language (split(/\,/,$include)) {
 # ... but if my preferred language is included, render it
                  if ($included_language eq $preferred_language) {
-                    $result='1'; 
-                    last; 
+                    $result=1; 
+                    $found=1; 
                  }
               }
 	   }
 # Do we have an exclude argument?
            if ($exclude) {
-              $result='1';
+              $result=1;
               foreach my $excluded_language (split(/\,/,$exclude)) {
                  if ($excluded_language eq $preferred_language) {
-                    $result='0';
-                    last; 
+                    $result=0;
+                    $found=1;
                  }
               }
 	   }
+           if ($found) { last; }
         }
 	if ( ! $result ) {
 	    my $skip=&Apache::lonxml::get_all_text("/languageblock",$parser,