diff --git a/list.js b/list.js
new file mode 100644
index 0000000..76e14c0
--- /dev/null
+++ b/list.js
@@ -0,0 +1,12 @@
+function(head, req) {
+  var row, results;
+  results = [];
+  categories = (req.query.categories !== undefined ? JSON.parse(req.query.categories) : []);
+  while (row = getRow()) {
+    if (categories.length == 0 ||
+        categories.some(function(c) { return row.key.indexOf(c) !== -1; })) {
+      results.push([row.key, row.id]);
+    }
+  }
+  return JSON.stringify({q : req.query.categories, results : results});
+}
diff --git a/src/posts.py b/src/posts.py
index d5a2d40..93d6113 100644
--- a/src/posts.py
+++ b/src/posts.py
@@ -30,20 +30,22 @@ class Posts:
 
         self.db = self.client["blog"]
 
-    def savepost(self, title="", content="", author="", category="programming", _id=False):
+        self.iterpost = self.postIterator("blogPosts/blog-posts")
+
+    def savepost(self, title="", content="", author="", categories=[], _id=False):
         if _id:
             doc = self.db[_id]
             doc["title"] = title
             doc["content"] = content
             doc["author"] = author
-            doc["category"] = category
+            doc["categories"] = categories
             doc["_id"] = _id
         else:
             doc = {
                     "title" : title,
                     "content" : content,
                     "author" : author,
-                    "category" : category,
+                    "categories" : categories,
                     "type" : "post"
                     }
 
@@ -69,35 +71,37 @@ class Posts:
 
         return post
 
-    def iterpost(self, endkey=False, startkey=False, category="programming"):
-        if startkey and not endkey:
-            results = self.db.iterview("blogPosts/blog-posts", 2, include_docs=True, startkey=startkey)
-        elif endkey and not startkey:
-            results = self.db.iterview("blogPosts/blog-posts", 1, include_docs=True, endkey=endkey)
-        else:
-            results = self.db.iterview("blogPosts/blog-posts", 2, include_docs=True)
+    def postIterator(self, viewname):
+        def inner(endkey=False, startkey=False):
+            if startkey and not endkey:
+                results = self.db.iterview(viewname, 2, include_docs=True, startkey=startkey)
+            elif endkey and not startkey:
+                results = self.db.iterview(viewname, 1, include_docs=True, endkey=endkey)
+            else:
+                results = self.db.iterview(viewname, 2, include_docs=True)
 
-        docs = [result.doc for result in results]
+            docs = [result.doc for result in results]
 
-        for doc in docs:
-            doc["content"] = markdown(doc["content"])
+            for doc in docs:
+                doc["content"] = markdown(doc["content"])
 
-        if not docs:
-            return jsonify("end")
+            if not docs:
+                return jsonify("end")
 
-        if endkey and not startkey:
-            if len(docs) < 2 or docs[0] == endkey:
-                return jsonify("start")
-            return jsonify(docs[-2])
+            if endkey and not startkey:
+                if len(docs) < 2 or docs[0] == endkey:
+                    return jsonify("start")
+                return jsonify(docs[-2])
 
-        if len(docs) == 1:
-            return jsonify(docs[0])
+            if len(docs) == 1:
+                return jsonify(docs[0])
 
-        if docs:
-            # if no startkey or endkey were specified, return the 0th post
-            return jsonify(docs[1 if startkey else 0])
+            if docs:
+                # if no startkey or endkey were specified, return the 0th post
+                return jsonify(docs[1 if startkey else 0])
 
-        return jsonify("end")
+            return jsonify("end")
+        return inner
 
     def allposts(self):
         result = self.db.iterview("blogPosts/blog-posts", 10, include_docs=True)
diff --git a/src/scripts/browse.tag b/src/scripts/browse.tag
new file mode 100644
index 0000000..eaef839
--- /dev/null
+++ b/src/scripts/browse.tag
@@ -0,0 +1,11 @@
+<browse>
+  <div>
+  </div>
+
+<script type="es6">
+import route from 'riot-route';
+
+var self = this;
+
+</script>
+</browse>
diff --git a/src/scripts/sidebar.tag b/src/scripts/sidebar.tag
index 3075fa3..37721ec 100644
--- a/src/scripts/sidebar.tag
+++ b/src/scripts/sidebar.tag
@@ -16,7 +16,8 @@
     show={this.swiped !== undefined}
     style={ this.styles() }
     id="sidebar"
-    class={"animated "+(this.swiped !== undefined ? (this.swiped ? "fadeInLeft" : "fadeOutLeft") : "" ) +" container"}
+    class={"animated " + (this.swiped !== undefined ?
+            (this.swiped ? "fadeInLeft" : "fadeOutLeft") : "" ) + " container"}
   >
     <div
       style={{"height" : "100%", "overflow-x" : "hidden"}}
diff --git a/src/website.py b/src/website.py
index 290141a..ffe5576 100755
--- a/src/website.py
+++ b/src/website.py
@@ -73,7 +73,7 @@ def NeverWhere(configfile=None):
                 "postcontent" : postcontent,
                 "links" : dumps([]),
                 "projects" : dumps([]),
-                "categories" : dumps(posts.categories())
+                "categories" : cacheit("categories", lambda : dumps(posts.categories()))
         }
 
     @login_manager.user_loader
@@ -145,13 +145,13 @@ def NeverWhere(configfile=None):
     @cache.cached(timeout=50)
     @app.route("/blog/switchpost/<pid>/<category>")
     def getpostid(pid, category):
-        return posts.iterpost(startkey=pid, category=category)
+        return posts.iterpost(startkey=pid)
 
     # get the post previous to this one
     @cache.cached(timeout=50)
     @app.route("/blog/prevpost/<pid>/<category>")
     def prevpost(pid, category):
-        return posts.iterpost(endkey=pid, category=category)
+        return posts.iterpost(endkey=pid)
 
     # get the contents of any post
     # rendered in JSON