diff --git a/web/src/app/js/base.js b/web/src/app/js/base.js
index b09ac1b..11a4a32 100644
--- a/web/src/app/js/base.js
+++ b/web/src/app/js/base.js
@@ -17,6 +17,14 @@ function html2text(html) {
 	return result;
 }
 
+function htmlescape(html) {
+	var e = document.createElement('div');
+	e.innerText = html;
+	const result = e.innerHTML;
+	e.remove();
+	return result;
+}
+
 function loadScript(id, file, cback) {
 	cback = cback || function() {};
 	if (document.getElementById(id) !== null)