diff --git a/css/ln.vue.css b/css/ln.vue.css
index 227d9fa..15c64e8 100644
--- a/css/ln.vue.css
+++ b/css/ln.vue.css
@@ -58,7 +58,13 @@ div.ln-tooltip {
     border-radius: 0px 6px 6px 6px;
     border: 1px solid black;
 
-    transition: opacity 500ms;
+    opacity: 0.0;
+    transition: opacity 300ms linear;
+
+    pointer-events: none;
+}
+div.ln-tooltip[VISIBLE] {
+    opacity: 1.0;
 }
 
 body {
@@ -143,10 +149,14 @@ div.ln-select::after {
     border-top: 1px solid black;
     border-bottom: 1px solid black;
 
+    padding-top: 4px;
+    padding-bottom: 4px;
+
     margin-bottom: 2em;
 }
 
 .ln-navitem {
+    position: relative;
     display: inline-block;
 
     font-family: Arial, Helvetica, sans-serif;
@@ -160,8 +170,41 @@ div.ln-select::after {
 .ln-navitem > a {
     font-style: normal;
     text-decoration: none;
+    color: black;
 }
 
+div.ln-navitem > div.ln-nav-children {
+    position: absolute;
+    
+    white-space: pre;
+    left: 0px;
+    top: 100%;
+    opacity: 0.0;
+
+    transition: opacity 200ms;
+
+    border: 1px solid black;
+    border-top: none;
+    background-color: white;
+
+    padding: 8px;
+}
+
+div.ln-navitem:hover > div.ln-nav-children {
+    opacity: 1.0;
+    transition: opacity 200ms;
+}
+
+div.ln-nav-children > .ln-navitem {
+    display: block;
+    margin-top: 4px;
+    padding-top: 4px;
+    border-top: 1px solid #C0C0C0;
+}
+div.ln-nav-children > .ln-navitem:first-of-type {
+    margin-top: 0px;
+    border-top: none;
+}
 
 div.ln-upload {
     display: inline-block;
diff --git a/demo.html b/demo.html
index 9909d18..9b44f3d 100644
--- a/demo.html
+++ b/demo.html
@@ -8,7 +8,7 @@
         <script type="text/javascript" src="js/vue.js"></script>
         <script type="text/javascript" src="js/vue-router.js"></script>
         
-        <script type="text/javascript" src="js/ln.vue.application.js"></script>
+        <script type="text/javascript" src="js/ln.vue.js"></script>
         <script type="text/javascript" src="js/ln.vue.components.js"></script>
         <script type="text/javascript" src="js/ln.vue.table.js"></script>
 
@@ -23,22 +23,55 @@
         <div id="frame">
             <h1>ln.vue Demo Application</h1>
 
-            <ln-navbar
-                :navitems="[
-                    { href: '/', label: 'HOME' },
-                    { href: '/controls', label: 'Simple Form Controls' },
-                    { href: '/table', label: 'Table View Control' },
-                    { href: '/state', label: 'Current State' },
-                ]"></ln-navbar>
+            <div v-if="false">
+                <h2>Please wait for application to be loaded...</h2>
+            </div>
+
+            <ln-navbar></ln-navbar>
             <router-view></router-view>
         </div>
 
         <script type="text/javascript">
-            LNVue.addRouteTemplate(
-                "/",
-                `<div>This is the ln.vue demo application. Feel free to test all the features, you can find.<br>Here should be a message:<br><i>{{ message.value }}</i></div>`
-                );
-            LNVue.addRouteTemplate(
+            let core = {
+                navigation: {
+                    core: {
+                        label: "HOME",
+                        path: '/',
+                    },
+                },
+                routes: {
+                    '/': {
+                        template: `<div>This is the ln.vue demo application. Feel free to test all the features, you can find.<br>Here should be a message:<br><i>{{ message.value }}</i></div>`,
+                    },
+                }
+            };
+            let controls = {
+                navigation: {
+                    controls: {
+                        label: "Controls",
+                        navigation: {
+                            simple: {
+                                label: "Simple Form Controls",
+                                path: '/controls',
+                            },
+                            table: {
+                                label: "Table Contol",
+                                path: '/table',
+                            }
+                        },
+                    },
+                },
+                routes: {
+                    '/controls': {
+                        url: '/controls.html',
+                    },
+                    '/table': {
+                        url: '/table.html',
+                    },
+                }
+            };
+
+/*            LNVue.addRouteTemplate(
                 "/state",
                 `<div>Current User Input object:<br><br>
                     <span class="json">{{ JSON.stringify(controls,null,4) }}</span>
@@ -47,7 +80,7 @@
 
             LNVue.addRoute("/controls","/controls.html");
             LNVue.addRoute("/table","/table.html");
-
+*/
             let message = { value: "" };
 
             app = new LNVue("#frame",{
@@ -127,6 +160,25 @@
                 }
             });
 
+            app.addModule(core);
+            app.addModule(controls);
+
+            app.addModule({
+                navigation: {
+                    state: {
+                        label: "State",
+                        path: '/state',
+                    },
+                },
+                routes: {
+                    '/state': `<div>Current User Input object:<br><br>
+                    <span class="json">{{ JSON.stringify(controls,null,4) }}</span>
+                    </div>`,
+                }
+            });
+
+            app.Start();
+
             LNVue.onidle(()=>{
                 message.value = "idle time reached. Message written.";
                 setTimeout(()=>{
diff --git a/js/ln.vue.components.js b/js/ln.vue.components.js
index b4a0140..0b2bb8b 100644
--- a/js/ln.vue.components.js
+++ b/js/ln.vue.components.js
@@ -18,24 +18,19 @@ function findTooltipData(el){
 }
 
 function tooltipShow(ev,tooltip){
-    if (!tooltipEl.parentElement)
-    {
-        tooltipEl.style.visibility = "hidden";
-        tooltipEl.style.opacity = 0.0;
-        tooltipEl.style.visibility = "visible";
-    }
-    document.body.appendChild(tooltipEl);
+    if (tooltipEl.parentElement)
+        document.body.appendChild(tooltipEl);
 
     tooltipEl.innerText = tooltip.value;
-    tooltipEl.style.opacity = 1.0;
+    tooltipEl.setAttribute("VISIBLE","");
 
     tootlipVisible = true;
     
 }
 function tooltipHide(ev,tooltip){
-    tooltipEl.style.opacity = 0.0;
+    tooltipEl.removeAttribute("VISIBLE");
     setTimeout(()=>{
-        document.body.removeChild(tooltipEl);
+        //document.body.removeChild(tooltipEl);
     }, 600);
 
     tootlipVisible = false;
@@ -52,7 +47,7 @@ function tooltipMouseOver(ev){
     else
         tooltip.timeout = setTimeout(() => {
             tooltipShow(ev,tooltip);
-        }, 800);
+        }, tooltip.delay || 800);
 
     if (tooltipEl){
         tooltipEl.style.left = `${ev.x+3}px`;
@@ -72,7 +67,7 @@ Vue.directive('tooltip',{
         let tooltip = {
             value: binding.value,
             timeout: null,
-
+            delay: null,
         };
         let tooltipKey = nextTooltipKey++;
         tooltipData[tooltipKey] = tooltip;
@@ -81,15 +76,10 @@ Vue.directive('tooltip',{
         el.addEventListener('mousemove',tooltipMouseOver);
         el.addEventListener('mouseout',tooltipMouseOut);
 
-    },
-    inserted: function(el, binding, vnode){
-
     },
     update: function(el, binding, vnode, oldVnode){
-
-    },
-    componentUpdated: function(el, binding, vnode, oldVnode){
-
+        let tooltip = findTooltipData(el);
+        tooltip.value = binding.value;
     },
     unbind: function(el, binding, vnode){
         el.removeEventListener('mouseover',tooltipMouseOver);
@@ -99,40 +89,66 @@ Vue.directive('tooltip',{
 
 Vue.component('ln-navitem',{
     props: {
-        href: {
-            type: String,
+        value: {
+            type: Object,
             required: true,
         },
+        key: String,
     },
     template: `
-    <router-link
-        :to="href"
-        class="ln-navitem"unbind
-        v-slot="{ href, route, navigate, isActive, isExactActive }"
+    <div
+        class="ln-navitem"
+        :id="'nav-' + key"
         >
-        <div class="ln-navitem">
-            <a :href="href" @click="navigate">
-                <slot></slot>
-            </a>
-            <slot name="children"></slot>
+        <router-link
+            class="ln-navitem"
+            v-if="value.path"
+            :to="value.path"
+            v-slot="{ href, route, navigate, isActive, isExactActive }"
+            >
+                <a
+                    :href="href"
+                    @click="navigate"
+                    >{{ value.label || value.path }}</a>
+        </router-link>
+        <span
+            v-if="!value.path"
+            class="ln-navitem"
+            >{{ value.label }}</span>
+        <div class="ln-nav-children"
+            v-if="value.navigation"
+            >
+            <ln-navitem
+                v-for="(item,key) in value.navigation"
+                v-bind:value="item"
+                v-bind:key="key"
+                ></ln-navitem>
         </div>
-    </router-link>
+    </div>
 `,
 });
 
 Vue.component('ln-navbar',{
     props: {
-        navitems: {
+        value: {
             type: Object,
-            required: true,
-        }
+            default: function(){
+                return LNVue.$_.navigation;
+            }
+        },
+        component: {
+            type: [ Object, String ],
+            default: 'ln-navitem',
+        },
     },
     template: `
 <div class="ln-navbar">
-    <ln-navitem
-        v-for="navitem in navitems"
-        v-bind:href="navitem.href"
-        >{{ navitem.label || navitem.href }}</ln-navitem>
+    <div
+        :is="component"
+        v-for="(item,key) in value"
+        v-bind:value="item"
+        v-bind:key="key"
+        >{{ item.label || item.path }}</div>
 </div>`
 });
 
diff --git a/js/ln.vue.application.js b/js/ln.vue.js
similarity index 50%
rename from js/ln.vue.application.js
rename to js/ln.vue.js
index 2993cc0..8f3b899 100644
--- a/js/ln.vue.application.js
+++ b/js/ln.vue.js
@@ -8,45 +8,93 @@
                 routes: [],
                 data: {},
             }, options );
+
+            this._el = el;
             this.data = Object.assign({}, options.data, { LNVue: this, msg: "Hello World" });
+            this.promises = [];
 
             Vue.prototype.$LNVue = this;
+            LNVue.$_ = this;
 
             console.log("LNVue: preparing");
 
+            this.navigation = {};
+
             Promise
             .all(LNVue.promises)
             .then(()=>{
                 console.log("LNVue: starting");
 
-                let routes = LNVue.routes
-                    .concat(this.options.routes)
-                    .concat([{
+                LNVue.vueRouter.addRoutes([{
                         path: "*",
                         component: {
                             template: `<h2>404 Not Found</h2>The URL you tried to reach is not existing.`,
                         },
                     }]);
-
-                let router = new VueRouter({
-                    routes,
-                    });
                 
-                let vue = new Vue({
-                    el,
-                    data: this.data,
-                    router: router,
-                    });
-                
-                this.vue = function(){ return vue; }
+            });
 
+            this.vue = null;
+        }
+
+        Start(){
+            Promise
+            .all(this.promises)
+            .then(()=>{
+                LNVue.onidle(()=>{
+                    this.vue = new Vue({
+                        el: this._el,
+                        data: this.data,
+                        router: LNVue.vueRouter,
+                        });
+                    });
             });
         }
 
         Version(){ return "0.1alpha"; };
 
+        addModule(modSpec){
+            if (modSpec.navigation instanceof Object){
+                LNVue.deepAssign(modSpec.navigation,this.navigation);
+            }
+
+            LNVue.$each(modSpec.routes,(key,route)=>{
+                if ((route instanceof Object) && route.url)
+                {
+                    let p = new Promise((resolve,reject)=>{
+                        LNVue
+                        .fetch(route.url)
+                        .then((src)=>{
+                            this.addRoute(key,{ template: src, data: ()=>{ return this.data; }, });
+                            resolve();
+                        });    
+                    });
+                    this.promises.push(p);
+                } else if (route instanceof Object){
+                    this.addRoute(key,{ template: route.template, data: ()=>{ return this.data; }, } );
+                } else {
+                    this.addRoute(key,{ template: route, data: ()=>{ return this.data; }, } );
+                }
+            });
+        }
+
+        addRoute(path,component){
+            let self = this;
+            LNVue.vueRouter.addRoutes([
+                { path, component, },
+            ]);
+        }
+
     }
 
+    Object.defineProperty( LNVue, '$LNVue', {
+        get: ()=>{ return LNVue.$_; },
+    });
+
+    LNVue.vueRouter = new VueRouter({
+        routes: [],
+    });
+
     LNVue.$idles = [];
     LNVue.onidle = function(cb,thisval = null){
         let scheduled = LNVue.$idles.length > 0;
@@ -69,6 +117,34 @@
             },0);
     }
 
+    LNVue.$each = function(oa,cb){
+        if (oa instanceof Array){
+            let result = [];
+            oa.forEach((value,index)=>{
+                result.push(cb.call(value,index,value));
+            });
+            return result;
+        } else if (oa instanceof Object){
+            let result = {};
+            Object.keys(oa).forEach((key)=>{
+                if (oa.hasOwnProperty(key)){
+                    result[key] = cb.call(oa[key],key,oa[key]);
+                }
+            });
+            return result;
+        }
+    }
+
+    LNVue.deepAssign = function(source,target){
+        LNVue.$each(source,function(key){
+            if (target[key] instanceof Object){
+                LNVue.deepAssign(src[key],target[key]);
+            } else {
+                target[key] = source[key];
+            }
+        });
+    }
+
     LNVue.$ = function(src){
         let el = document.createElement("parse");
         el.innerHTML = src;
@@ -106,38 +182,5 @@
                 });
         };
 
-
-    LNVue.addRouteTemplate = function(path,template){
-        LNVue.routes.push({
-            path,
-            component: {
-                data: function(){
-                    return this.$LNVue.data;
-                },
-                template,
-            }
-        });
-    }
-    LNVue.addRoute = function(path,url){
-        let p = new Promise((resolve,reject) => {
-            LNVue
-            .fetch(url)
-            .then((src)=>{
-                LNVue.routes.push({
-                    path,
-                    component: {
-                        data: function(){
-                            return this.$LNVue.data;
-                        },
-                        template: src,
-                    },
-                });
-                resolve();
-            });
-        });
-        LNVue.promises.push(p);
-        return p;
-    }
-
     return LNVue;
 })();
\ No newline at end of file