Issue 5406 - Create Site Footer Component for Help Center

static/js/main.js

+(function(){
+  document.addEventListener("DOMContentLoaded", function() {
+
+    // Change html class name from "no-js" to "js"
+    document.documentElement.className = "js";
+
+    // Custom Select
+    var customSelects = document.getElementsByClassName('custom-select-selected');
+    function onClickCustomSelect(e) {
+      var options = e.target.nextElementSibling;
+      if (options.getAttribute("aria-hidden") == "true")
+      {
+        options.removeAttribute("aria-hidden");
+        e.target.setAttribute("aria-expanded", "true");
+      } 
+      else
+      {
+        options.setAttribute("aria-hidden", "true");
+        e.target.setAttribute("aria-expanded", "false");
+      }
+    }
+    for (var i = 0; i < customSelects.length; i++) {
+      customSelects[i].addEventListener("click", onClickCustomSelect, false);
+    }
+ 
+  }, false);
+}());