diff --git a/templates/_night_theme.html b/templates/_night_theme.html
new file mode 100644
index 00000000..c06a0b58
--- /dev/null
+++ b/templates/_night_theme.html
@@ -0,0 +1,14 @@
+{{define "night_theme_init"}}
+  <script type="text/javascript">
+    // Night mode
+    var night = localStorage.getItem("night");
+    var darkStyleLink = document.createElement('link');
+    darkStyleLink.id = "style-dark";
+    darkStyleLink.rel = "stylesheet";
+    darkStyleLink.type = "text/css";
+    darkStyleLink.href = "/css/style-night.css"
+    if (night == "true") {
+        document.getElementsByTagName("head")[0].append(darkStyleLink);
+    }
+  </script>
+{{end}}
diff --git a/templates/admin_index.html b/templates/admin_index.html
index 11cb46c6..0405473e 100644
--- a/templates/admin_index.html
+++ b/templates/admin_index.html
@@ -26,18 +26,7 @@
 
     <!-- Website CSS -->
     <link rel="stylesheet" id="style" href="{{.URL.Parse "/css/style.css"}}">
-    <script type="text/javascript">
-      // Night mode
-      var night = localStorage.getItem("night");
-      var darkStyleLink = document.createElement('link');
-      darkStyleLink.id = "style-dark";
-      darkStyleLink.rel = "stylesheet";
-      darkStyleLink.type = "text/css";
-      darkStyleLink.href = "/css/style-night.css"
-      if (night == "true") {
-          document.getElementsByTagName("head")[0].append(darkStyleLink);
-      }
-    </script>
+    {{block "night_theme_init" .}}{{end}}
   </head>
   <body>
       <nav class="navbar navbar-default" id="mainmenu">
diff --git a/templates/index.html b/templates/index.html
index 2bba8c54..3b5708fe 100755
--- a/templates/index.html
+++ b/templates/index.html
@@ -30,18 +30,7 @@
 
     <!-- Website CSS -->
     <link rel="stylesheet" id="style" href="{{.URL.Parse "/css/style.css"}}">
-    <script type="text/javascript">
-      // Night mode
-      var night = localStorage.getItem("night");
-      var darkStyleLink = document.createElement('link');
-      darkStyleLink.id = "style-dark";
-      darkStyleLink.rel = "stylesheet";
-      darkStyleLink.type = "text/css";
-      darkStyleLink.href = "/css/style-night.css"
-      if (night == "true") {
-          document.getElementsByTagName("head")[0].append(darkStyleLink);
-      }
-    </script>
+    {{block "night_theme_init" .}}{{end}}
   </head>
   <body>
       <nav class="navbar navbar-default" id="mainmenu">
