diff --git a/config.toml b/config.toml
index 54113c5..e4c12f6 100644
--- a/config.toml
+++ b/config.toml
@@ -50,6 +50,7 @@ preserveTaxonomyNames = true
     enableRobotsTXT = true
 
     customCSS = ["css/custom.css"]
+    customJS = ["css/custom.js"]
 
 [params.copyright]
     name = "hendrik"
diff --git a/layouts/partials/scripts.html b/layouts/partials/scripts.html
index a37172f..7d006a1 100644
--- a/layouts/partials/scripts.html
+++ b/layouts/partials/scripts.html
@@ -31,3 +31,7 @@
         document.getElementById('thisyear').innerHTML = new Date().getFullYear();
     };
 </script>
+{{- range .Site.Params.customJS }}
+<script src="{{ . | relURL }}"></script>
+{{- end }}
+
diff --git a/static/js/custom.js b/static/js/custom.js
new file mode 100644
index 0000000..3fa4257
--- /dev/null
+++ b/static/js/custom.js
@@ -0,0 +1,8 @@
+<script>
+    $(document).ready(function() {
+      if ( $(location).attr("pathname") == "/") {
+        $('.collapse').collapse('show');
+      }
+    });
+    //$('.collapse').show();
+</script>