--- loncom/homework/imageresponse.pm	2007/09/25 23:45:33	1.86
+++ loncom/homework/imageresponse.pm	2007/09/25 23:47:59	1.87
@@ -2,7 +2,7 @@
 # The LearningOnline Network with CAPA
 # image click response style
 #
-# $Id: imageresponse.pm,v 1.86 2007/09/25 23:45:33 albertel Exp $
+# $Id: imageresponse.pm,v 1.87 2007/09/25 23:47:59 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -237,14 +237,15 @@ sub displayfoils {
 	    } else {
 		my $respid=$Apache::inputtags::response['-1'];
 		my $token=&prep_image($image,'submission',$name);
-		my $id = "HWVAL_$respid:$temp";
+		my $input_id = "HWVAL_$respid:$temp";
+		my $id = $env{'form.request.prefix'}.$input_id;
 		$result.='<img onclick="image_response_click(\''.$id.'\',event);"
 	                       src="/adm/randomlabel.png?token='.$token.'" 
-                               id="imageresponse_'.$id.'"
+                               id="'.$id.'_imageresponse"
                                 />'.
 			       '<br />'.
-			       '<input type="hidden" name="token_'.$id.'" value="'.$token.'" />'.
-			       '<input type="hidden" name="'.$id.'" value="'.
+			       '<input type="hidden" name="'.$input_id.'_token" value="'.$token.'" />'.
+			       '<input type="hidden" name="'.$input_id.'" value="'.
 			       join(':',&get_submission($name)).'" />';
 	    }
 	}