diff --git a/view/templates/msg-header.tpl b/view/templates/msg-header.tpl
index 653b3d5661..4644b954e6 100644
--- a/view/templates/msg-header.tpl
+++ b/view/templates/msg-header.tpl
@@ -49,5 +49,10 @@
 		}
 	}
 
+	function addeditortext(data) {
+		var currentText = $("#prvmail-text").val();
+		$("#prvmail-text").val(currentText + data);
+	}
+
 </script>
 
diff --git a/view/theme/frio/templates/msg-header.tpl b/view/theme/frio/templates/msg-header.tpl
index 97aa5a64fc..209010d7ac 100644
--- a/view/theme/frio/templates/msg-header.tpl
+++ b/view/theme/frio/templates/msg-header.tpl
@@ -7,6 +7,9 @@
 		$('#mail-conversation').perfectScrollbar();
 		$('#message-preview').perfectScrollbar();
 		// Scroll to the bottom of the mail conversation.
-		$('#mail-conversation').scrollTop($('#mail-conversation')[0].scrollHeight);
+		var $el = $('#mail-conversation');
+		if ($el.length) {
+			$el.scrollTop($el.get(0).scrollHeight);
+		}
 	});
 </script>