--- loncom/homework/inputtags.pm	2023/03/30 23:25:47	1.357
+++ loncom/homework/inputtags.pm	2023/04/02 03:16:28	1.358
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # input  definitons
 #
-# $Id: inputtags.pm,v 1.357 2023/03/30 23:25:47 raeburn Exp $
+# $Id: inputtags.pm,v 1.358 2023/04/02 03:16:28 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -1787,12 +1787,17 @@ sub gradestatus {
 	}
 	if ( $showbutton ) {
 	    if ($target ne 'tex') {
-		$button = 
+                if ($env{'form.disable_submit'}) {
+                    $button = '<input type="submit" name="submit_'.$id.'" id="submit_'.$id.'" class="LC_hwk_submit" value="'.&mt('Submit Answer').'" disabled="disabled" />&nbsp;'.
+                               '<div id="msg_submit_'.$id.'" style="display:none"></div>';
+                } else {
+		    $button =
             '<input onmouseup="javascript:setSubmittedPart(\''.$id.'\');this.form.action+=\'#'.&escape($id).'\';"
                     type="submit" name="submit_'.$id.'" id="submit_'.$id.'" class="LC_hwk_submit"
                     value="'.&mt('Submit Answer').'" />&nbsp;'.
                     '<div id="msg_submit_'.$id.'" style="display:none">'.
                     &mt('Processing your submission ...').'</div>';
+                }
 	    }
 	}