diff --git a/nodejs/docker/docker.js b/nodejs/docker/docker.js
index a4f0fe8..03d241c 100644
--- a/nodejs/docker/docker.js
+++ b/nodejs/docker/docker.js
@@ -73,12 +73,13 @@ var Docker = function() {
 
         var _containers = this;
         
-        var Status = Object.freeze({
+        this.Status = Object.freeze({
             Error:      {color: "red", action1: "start", action2: "remove", bash: false},
             Terminated: {color: "yellow", action1: "start", action2: "remove", bash: false},
             Restarting: {color: "lightblue", action1: "start", action2: "remove", bash: false},
-            Paused:     {color: "lightgrey", action1: "unpause", action2: null, bash: false},
-            Running:    {color: "lightgreen", action1: "pause", action2: "stop", bash: true}
+            Paused:     {color: "grey", action1: "unpause", action2: null, bash: false},
+            Running:    {color: "lightgreen", action1: "pause", action2: "stop", bash: true},
+            Preview:    {color: "lightgrey"}
         });
         var containers = [];
         var nodes = [];
@@ -93,7 +94,7 @@ var Docker = function() {
             return false;
         }
         function getIps(n, ips) {
-            n.ports.forEach(function(p) {
+            if (n.ports) n.ports.forEach(function(p) {
                 if (!ips[p.ip]) ips[p.ip] = [];
                 ips[p.ip].push(p);
             });
@@ -119,32 +120,33 @@ var Docker = function() {
             res+="}\n";
             return res;
         }
-        function graphNode(n) {
+        function graphNode(n, omitstats) {
             var res = "";
-            var label = n.image.name+'\\n'+n.name+'\\ncpu: ????? mem: ?????';
+            var label = n.image.name+'\\n'+n.name
+                +(omitstats?'':'\\ncpu: ????? mem: ?????');
             res += '"'+n.name+'"'
                 +' [label="'+label
                 +'",URL="#'+n.name
                 +'",style=filled,fillcolor='+n.status.color+"];\n";
-            n.ports.forEach(function(p) {
+            if (n.ports) n.ports.forEach(function(p) {
                 res += '"'+(p.ip?p.ip+":":"")+p.external+'" -> "'+n.name
                     +'" [label="'+p.internal+'"];\n';
             });
-            n.links.forEach(function(l) {
+            if (n.links) n.links.forEach(function(l) {
                 res += '"'+n.name+'" -> "'+l.container+'" [label="link: '+l.name+'"];\n'
             });
             return res;
         }
         function graphVolumesInside(n) {
             var res = "";
-            n.volumes.forEach(function(v) {
+            if (n.volumes) n.volumes.forEach(function(v) {
                 res += '"'+v.id+'" [label="'+v.inside+'",shape=box];\n';
             });
             return res;
         }
         function graphVolumesOutside(n) {
             var res = "";
-            n.volumes.forEach(function(v) {
+            if (n.volumes) n.volumes.forEach(function(v) {
                 if (v.host)
                     res += '"'+v.outside+'" [label="'+v.host+'",shape=box];\n';
             });
@@ -152,23 +154,23 @@ var Docker = function() {
         }
         function graphVolumesConnections(n) {
             var res = "";
-            n.volumes.forEach(function(v) {
+            if (n.volumes) n.volumes.forEach(function(v) {
                 if (v.host)
                     res += '"'+v.id+'" -> "'+v.outside+'" [label="mounted from"]\n';
                 res += '"'+n.name+'" -> "'+v.id+'" [label="volume/'+v.rw+'"]\n';
             });
-            n.volumesfrom.forEach(function(o) {
+            if (n.volumesfrom) n.volumesfrom.forEach(function(o) {
                 res += '"'+n.name+'" -> "'+nodes[o].name+'" [label="volumes from"]\n';
             });
             return res;
         }
-        this.graph = function(n) {
+        this.graph = function(n, omitstats) {
             var res = "";
             var ips = [];
             n = n || nodes;
             for (name in n) getIps(n[name], ips);
             res += graphIpClusters(ips);
-            for (name in n) res += graphNode(n[name]);
+            for (name in n) res += graphNode(n[name], omitstats);
             res += "{rank=same;\n";
             for (name in n) res += graphVolumesInside(n[name]);
             res+="}\n";
@@ -179,28 +181,28 @@ var Docker = function() {
             return res;
         }
         function addNodes(ns, name) {
-            var n = nodes[name];
+            var n = nodes[name] || ns[name];
             ns[name] = n;
-            n.links.forEach(function(peer) {
+            if (n.links) n.links.forEach(function(peer) {
                 if (!ns[peer.container]) addNodes(ns, peer.container);
             });
-            n.usedby.forEach(function(peer) {
+            if (n.usedby) n.usedby.forEach(function(peer) {
                 if (!ns[peer]) addNodes(ns, peer);
             });
-            n.volumesfrom.forEach(function(peer) {
+            if (n.volumesfrom) n.volumesfrom.forEach(function(peer) {
                 if (!ns[peer]) addNodes(ns, peer);
             });
-            n.volumesto.forEach(function(peer) {
+            if (n.volumesto) n.volumesto.forEach(function(peer) {
                 if (!ns[peer]) addNodes(ns, peer);
             });
         }
-        this.subnet = function(name) {
-            var ns = {};
+        this.subnet = function(name, nodes) {
+            var ns = nodes || {};
             addNodes(ns, name);
             return ns;
         }
-        this.subgraph = function(name) {
-            return this.graph(this.subnet(name));
+        this.subgraph = function(name, nodes) {
+            return this.graph(this.subnet(name, nodes), nodes);
         }
         this.configuration = function(name) {
             var ns = this.subnet(name);
@@ -303,11 +305,11 @@ var Docker = function() {
                                     ip: ip
                                 });
                             }
-                if (c.State.Paused) nodes[name].status = Status.Paused;
-                else if (c.State.Running) nodes[name].status = Status.Running;
-                else if (c.State.Restarting) nodes[name].status = Status.Restarting;
-                else if (c.State.ExitCode == 0) nodes[name].status = Status.Terminated;
-                else nodes[name].status = Status.Error;
+                if (c.State.Paused) nodes[name].status = _containers.Status.Paused;
+                else if (c.State.Running) nodes[name].status = _containers.Status.Running;
+                else if (c.State.Restarting) nodes[name].status = _containers.Status.Restarting;
+                else if (c.State.ExitCode == 0) nodes[name].status = _containers.Status.Terminated;
+                else nodes[name].status = _containers.Status.Error;
                 nodes[name].volumes = [];
                 var volumes = c.Volumes || c.Config.Volumes;
                 nodes[name].volumes = [];
diff --git a/nodejs/public/javascripts/servicedock.js b/nodejs/public/javascripts/servicedock.js
index 52591bd..b1bc549 100644
--- a/nodejs/public/javascripts/servicedock.js
+++ b/nodejs/public/javascripts/servicedock.js
@@ -146,11 +146,24 @@ function upload(evt) {
     }
 }
 
+function previewCreate() {
+    var name = $('#name').val();
+    var nodes = {};
+    nodes[name] =  {
+        status: docker.containers.Status.Preview,
+        id: null,
+        name: name,
+        image: {
+            name: $('#image').val(),
+            id: null
+        },
+        links: [],
+        volumesfrom: [],
+    };
+    $('#preview').html(Viz("digraph {\n"+"  rankdir="+rankdir+";\n"+docker.containers.subgraph(name, nodes)+"\n}"));
+}
+
 function create() {
-    $("#create form fieldset input.add").click(function() {
-        $(this).siblings("select").append('<option>'+$(this).siblings("input").map(function() {return $(this).text()}).get().join(':'))+'</option>')
-    });
-    //$("#preview").html(Viz("digraph {\nrankdir="+rankdir+";\n"+docker.containers.graph()+"\n}"));
 }
 
 var zoomlevel = 0;
@@ -293,10 +306,10 @@ function showCreate() {
     $("#main").hide();
     $("#logs").hide();
     $("#console").hide();
-    $("#imagetools").hide();
+    $("#imagetools").show();
     $("#close").show();
     $("#create").show();
-    create();
+    previewCreate();
 }
 
 function showConsole() {
@@ -468,6 +481,29 @@ function start() {
     }
 }
 
+function initForms() {
+    $('#create form *').change(previewCreate);
+    $("#create form fieldset .add").click(function() {
+        $(this).siblings("select.collect")
+            .append('<option '+$(this).siblings("input")
+                    .map(function() {
+                        if (this.hasAttribute('data-name')) {
+                            return this.getAttribute('data-name')+'="'+this.value.replace(/"/g, '&quot;')+'"';
+                        } else return '';
+                    }).get().join(' ')+'>'+$(this).siblings("input")
+                    .map(function() {
+                        var val = this.value;
+                        var sep = this.getAttribute('data-separator') || '';
+                        if (this.type=='checkbox' && !this.checked) {
+                            val=''; sep=''
+                        }
+                        return sep+val;
+                    }).get().join('')+'</option>')
+        $(this).siblings("input").value();
+    });
+    //$("#preview").html(Viz("digraph {\nrankdir="+rankdir+";\n"+docker.containers.graph()+"\n}"));
+}
+
 function init() {
     socket.io
         .on("connect", connected)
@@ -481,6 +517,7 @@ function init() {
         .on("stats", stats)
         .on("logs", logs)
         .on("bash-data", bash_data);
+    initForms();
     start();
 }
 
diff --git a/nodejs/public/stylesheets/servicedock.css b/nodejs/public/stylesheets/servicedock.css
index c95ed2e..17a3fa6 100644
--- a/nodejs/public/stylesheets/servicedock.css
+++ b/nodejs/public/stylesheets/servicedock.css
@@ -21,15 +21,19 @@ div {
   overflow: auto;
 }
 
-svg {
+#main svg, #preview svg {
   max-width: 100%;
   max-height: 100%;
   width: auto;
   height: auto;
   z-index: -1;
   position: relative;
+  display: block;
+  margin: auto;
+}
+#preview svg {
+  padding-top: 2em;
 }
-
 ul li {
   margin-left: 1em;
 }
@@ -55,10 +59,22 @@ fieldset {
   border: 1px solid black;
 }
 
+select {
+  width: 100%;
+}
+
 .listbutton {
   width: 100%;
 }
 
+input:invalid {
+  background-color: #FDD;
+}
+form:invalid input[type=submit] {
+  opacity: .5;
+  pointer-events: none;
+}
+
 table {
   width: 100%;
 }
@@ -132,14 +148,17 @@ table.docker li+li {
   display: inline;
 }
 
-#status {
+#statusbar {
   position: fixed;
   left: 0;
   right: 0;
   bottom: 0;
   margin: 0;
   padding: 0 1em 0 1em;
-  text-align: right;
+  color: white;
+}
+#status: {
+  float: right;
 }
 @media (max-width: 45em) {
   #username {
@@ -159,17 +178,24 @@ table.docker li+li {
   color: black;
 }
 
-#menuicon, #imagetools img, #close {
+.btn {
   cursor: pointer;
   height: 1em;
   width: auto;
+  border: 1px dotted blue;
+  opacity: 0.8;
+}
+
+.btn:hover {
+  border: 1px dotted white;
+  opacity: 2.0;
 }
 
 #menu {
   clear: both;
   position: relative;
-  padding: 1em 0em 1em 0em;
-  margin: 0 1em 0 1em;
+  padding: .5em 0 .5em 0;
+  margin: 1em 0 0 0;
   float: right;
   background-color: lightblue;
   list-style-type: none;
diff --git a/nodejs/views/index.ejs b/nodejs/views/index.ejs
index 3c3e770..fe71df7 100644
--- a/nodejs/views/index.ejs
+++ b/nodejs/views/index.ejs
@@ -19,17 +19,12 @@
     <div id="header" class="header">
       <h1>ServiceDock <%= packageversion %> - Docker as a Service</h1>
       <div id="togglemenu">
-        <span id="username">[unknown]</span>
-        <span id="connectionstatus">
-          <span id="good" title="connected" style="display: none">&#x2714;</span>
-          <span id="bad" title="disconnected">&#x2718;</span>
-        </span>
         <span id="imagetools" style="display: none">
-          <img onclick="zoom(1)" src="images/zoom.svg" />
-          <img onclick="rotateviz()" src="images/rotate.svg" />
+          <img class="btn" onclick="zoom(1)" src="images/zoom.svg" />
+          <img class="btn" onclick="rotateviz()" src="images/rotate.svg" />
         </span>
-        <span id="close" onclick="showImage()" style="display: none">×</span>
-        <img id="menuicon" onclick="togglemenu()" onmouseover="$('#menu').show();" src="images/menu.svg" />
+        <span class="btn" id="close" onclick="showImage()" style="display: none">×</span>
+        <img class="btn" id="menuicon" onclick="togglemenu()" src="images/menu.svg" />
       </div>
     </div>
     
@@ -54,52 +49,52 @@
       <form>
         <fieldset>
           <legend>Name</legend>
-          <input placeholder="name" type="text" id="name" size="20" />
+          <input placeholder="name" type="text" id="name" pattern="^[-_a-zA-Z0-9]*$" size="20" required />
         </fieldset>
         <fieldset>
           <legend>Open Ports</legend>
-          <input placeholder="ip" type="text" pattern="^([0-9]{1,3}\.){3}[0-9]{1,3}$" id="portip" size="15" style="width: 13ex" />:<input placeholder="ext" type="number" id="portext" size="4" style="width: 6ex" />:<input placeholder="int" type="number" id="portint" size="3" style="width: 6ex" /><button id="portadd" type="button" class="add">+</button><button id="portremove" type="button">-</button><br/>
-          <select size="5" id="createports">
+          <input placeholder="ip" type="text" pattern="^([0-9]{1,3}\.){3}[0-9]{1,3}$" id="portip" size="15" style="width: 13ex" data-name="ip" />:<input placeholder="ext" type="number" id="portext" size="4" style="width: 6ex" data-name="external" data-separator=":" />:<input placeholder="int" type="number" id="portint" size="3" style="width: 6ex" data-name="internal" data-separator=":" /><button id="portadd" type="button" class="add">+</button><button id="portremove" type="button">-</button><br/>
+          <select class="collect" size="5" id="createports">
           </select>
         </fieldset>
         <fieldset>
           <legend>Environment</legend>
-          <input placeholder="name" type="text" id="varname" size="10" />=<input placeholder="value" type="text" id="varvalue" size="10" /><button id="varadd" type="button" class="add">+</button><button id="varremove" type="button">-</button><br/>
-          <select size="5" id="createvars">
+          <input placeholder="name" type="text" id="varname" size="10" />=<input placeholder="value" type="text" id="varvalue" size="10" data-separator="=" /><button id="varadd" type="button" class="add">+</button><button id="varremove" type="button">-</button><br/>
+          <select class="collect" size="5" id="createvars">
           </select>
         </fieldset>
         <fieldset>
-          <legend>Volumes</legend>
-          <input placeholder="on host" type="text" id="volumeext" size="10" />:<input placeholder="inside container" type="text" id="volumeint" size="10" />:<input placeholder="ro" type="checkbox" id="volumero" /><label for="volumero" >ro</label><button id="volumeadd" type="button" class="add">+</button><button id="volumeremove" type="button">-</button><br/>
-          <select size="5" id="createvolumes">
+          <legend>Mount Volumes</legend>
+          <input placeholder="on host" type="text" id="volumeext" size="10" data-name="outside" />:<input placeholder="inside container" type="text" id="volumeint" size="10" data-name="inside" data-separator=":" />:<input placeholder="ro" value="ro" type="checkbox" id="volumero" data-name="rw" data-separator=":" /><label for="volumero" >ro</label><button id="volumeadd" type="button" class="add">+</button><button id="volumeremove" type="button">-</button><br/>
+          <select class="collect" size="5" id="createvolumes">
           </select>
         </fieldset>
         <fieldset>
           <legend>Volumes From</legend>
           <input placeholder="container" type="text" id="volumesfrom" size="10" /><button id="volumesfromadd" type="button" class="add">+</button><button id="volumesfromremove" type="button">-</button><br/>
-          <select size="5" id="createcolumesfroms">
+          <select class="collect" size="5" id="createcolumesfroms" >
           </select>
         </fieldset>
         <fieldset>
           <legend>Links</legend>
-          <input placeholder="container" type="text" id="linkcontainer" size="10" />:<input placeholder="name" type="text" id="linkname" size="10" /><button id="linkadd" type="button" class="add">+</button><button id="linkremove" type="button">-</button><br/>
-          <select size="5" id="createlinks">
+          <input placeholder="container" type="text" id="linkcontainer" size="10" data-name="container" />:<input placeholder="name" type="text" id="linkname" size="10" data-name="name" data-separator=":" /><button id="linkadd" type="button" class="add">+</button><button id="linkremove" type="button">-</button><br/>
+          <select class="collect" size="5" id="createlinks">
           </select>
         </fieldset>
         <fieldset>
           <legend>Entry Point</legend>
           <input placeholder="entrypoint" type="text" id="entrypoint" size="10" /><button id="entrypointadd" type="button" class="add">+</button><button id="entrypointremove" type="button">-</button><br/>
-          <select size="5" id="createentrypoints">
+          <select class="collect" size="5" id="createentrypoints">
           </select>
         </fieldset>
         <fieldset>
           <legend>Image</legend>
-          <input placeholder="image" type="text" id="image" size="20" required />
+          <input placeholder="image" type="text" id="image" size="20" pattern="^[-_:/a-zA-Z0-9]*$" required />
         </fieldset>
         <fieldset>
           <legend>Command</legend>
           <input placeholder="command" type="text" id="command" size="10" /><button id="commandadd" type="button" class="add">+</button><button id="commandremove" type="button">-</button><br/>
-          <select size="5" id="createcommands">
+          <select class="collect" size="5" id="createcommands">
           </select>
         </fieldset>
         <fieldset>
@@ -122,10 +117,15 @@
       </form> -->
     </div>
 
-    <div id="status">
-      
-      <noscript>JavaScript is required for the interface.</noscript>
-
+    <div id="statusbar">
+      <span id="status">
+        <noscript>JavaScript is required for the interface.</noscript>
+      </span>
+      <span id="username">[unknown]</span>
+      <span id="connectionstatus">
+        <span id="good" title="connected" style="display: none">&#x2714;</span>
+        <span id="bad" title="disconnected">&#x2718;</span>
+      </span>
     </div>
     
   </body>