Add navigation menu

1 files changed, 6 insertions, 1 deletions

diff --git a/js/ajax.js b/js/ajax.js
index c9dba57..cc71e92 100644
--- a/js/ajax.js
+++ b/js/ajax.js
@@ -85,4 +85,9 @@ function showElementbyID(show, element){
         document.getElementById(element).style.display='block';
     else
         document.getElementById(element).style.display='none';
-}
\ No newline at end of file
+}
+
+function strStartsWith(str, prefix) {
+  return str.indexOf(prefix) === 0;
+}
+