diff --git a/src/main/webapp/resources/js/base/base.js b/src/main/webapp/resources/js/base/base.js
index 88235cf..aa1c135 100644
--- a/src/main/webapp/resources/js/base/base.js
+++ b/src/main/webapp/resources/js/base/base.js
@@ -58,6 +58,14 @@ function notEmpty(obj, msg) {
 	return obj;
 }
 
+function join(delimeter, ...args) {
+	if (!args) return "";
+	
+	return args.flat()
+		.filter(e => !isEmpty(e))
+		.join(delimeter || " ")
+}
+
 function toQuery(map, encode) {
 	if (isEmpty(map)) return "";