diff --git a/assets/js/B_cookies.js b/assets/js/B_cookies.js
new file mode 100644
index 0000000..c055f5e
--- /dev/null
+++ b/assets/js/B_cookies.js
@@ -0,0 +1,39 @@
+var docCookies = {
+  getItem: function (sKey) {
+    if (!sKey) { return null; }
+    return decodeURIComponent(document.cookie.replace(new RegExp("(?:(?:^|.*;)\\s*" + encodeURIComponent(sKey).replace(/[\-\.\+\*]/g, "\\$&") + "\\s*\\=\\s*([^;]*).*$)|^.*$"), "$1")) || null;
+  },
+  setItem: function (sKey, sValue, vEnd, sPath, sDomain, bSecure) {
+    if (!sKey || /^(?:expires|max\-age|path|domain|secure)$/i.test(sKey)) { return false; }
+    var sExpires = "";
+    if (vEnd) {
+      switch (vEnd.constructor) {
+        case Number:
+          sExpires = vEnd === Infinity ? "; expires=Fri, 31 Dec 9999 23:59:59 GMT" : "; max-age=" + vEnd;
+          break;
+        case String:
+          sExpires = "; expires=" + vEnd;
+          break;
+        case Date:
+          sExpires = "; expires=" + vEnd.toUTCString();
+          break;
+      }
+    }
+    document.cookie = encodeURIComponent(sKey) + "=" + encodeURIComponent(sValue) + sExpires + (sDomain ? "; domain=" + sDomain : "") + (sPath ? "; path=" + sPath : "") + (bSecure ? "; secure" : "");
+    return true;
+  },
+  removeItem: function (sKey, sPath, sDomain) {
+    if (!this.hasItem(sKey)) { return false; }
+    document.cookie = encodeURIComponent(sKey) + "=; expires=Thu, 01 Jan 1970 00:00:00 GMT" + (sDomain ? "; domain=" + sDomain : "") + (sPath ? "; path=" + sPath : "");
+    return true;
+  },
+  hasItem: function (sKey) {
+    if (!sKey) { return false; }
+    return (new RegExp("(?:^|;\\s*)" + encodeURIComponent(sKey).replace(/[\-\.\+\*]/g, "\\$&") + "\\s*\\=")).test(document.cookie);
+  },
+  keys: function () {
+    var aKeys = document.cookie.replace(/((?:^|\s*;)[^\=]+)(?=;|$)|^\s*|\s*(?:\=[^;]*)?(?:\1|$)/g, "").split(/\s*(?:\=[^;]*)?;\s*/);
+    for (var nLen = aKeys.length, nIdx = 0; nIdx < nLen; nIdx++) { aKeys[nIdx] = decodeURIComponent(aKeys[nIdx]); }
+    return aKeys;
+  }
+};
diff --git a/assets/js/B_purecss.js b/assets/js/B_purecss.js
new file mode 100644
index 0000000..b76bdf9
--- /dev/null
+++ b/assets/js/B_purecss.js
@@ -0,0 +1,29 @@
+B(window).on('load',function() {
+  // Handle PureCSS menu/submenu
+  // It currently expects:
+  //  * menu needs class .menu-with-dropdown
+  //  * submenu to have the .submenu class.
+  B('.menu-with-dropdown').on('click',function(){
+    var B_t = B(this),
+        B_sub = B(B_t.firstChild('.submenu'));
+    if(B_sub.css('visibility') == 'visible') {
+      B_sub.css({
+        'visibility':'hidden',
+        'position':'absolute',
+        'top':'-10000px',
+        'left':'-10000px'
+      });
+      B(B_t.firstChild('.fa-toggle-up')).removeClass('fa-toggle-up').addClass('fa-toggle-down');
+    } else {
+      B_sub.css({
+        'visibility':'visible',
+        'position':'relative',
+        'top':'0',
+        'left':'0',
+        'border':'1px solid #AAA',
+        'border-radius':'4px'
+      });
+      B(B_t.firstChild('.fa-toggle-down')).removeClass('fa-toggle-down').addClass('fa-toggle-up');
+    }
+  });
+});