diff --git a/web/app/app-init.js b/web/app/app-init.js
new file mode 100644
index 00000000..4801e743
--- /dev/null
+++ b/web/app/app-init.js
@@ -0,0 +1,79 @@
+    function start() {
+      var app = new TCAD.App2D();
+      app.loadFromLocalStorage();
+      var actionsWin = new TCAD.ui.Window($('#actions'));
+
+      TCAD.ui.bindOpening( $('#showActions'), actionsWin );
+      var addAction = TCAD.ui.createActionsWinBuilder(actionsWin);
+
+      for (var p = 0; p < app._actionsOrder.length; ++p) {
+        var act = app.actions[app._actionsOrder[p]];
+        addAction(act.desc, act.action);
+        $('.act-' + act.id).click(act.action).attr('title', act.desc);
+      }
+
+      function infoStr(c) {
+        if (c.SettableFields === undefined) return "";
+        var info = Object.keys(c.SettableFields).map(function(f) {
+          return Number(c[f]).toFixed(2);
+        }).join(", ");
+        if (info.length != 0) {
+          info = " <span style='font-size: 8px;'>[" + info + "]</span>";
+        }
+        return info;
+      }
+
+      var pm = app.viewer.parametricManager;
+      var constrList = new TCAD.ui.List($('#constrs'), {
+        items : function() {
+          var theItems = [];
+          for (var j = 0; j < pm.subSystems.length; j++) {
+            var sub = pm.subSystems[j];
+            for (var i = 0; i < sub.constraints.length; ++i) {
+              var constr = sub.constraints[i];
+              if (constr.aux !== true) {
+                theItems.push({name : constr.UI_NAME + infoStr(constr), constr : constr});
+              }
+            }
+          }
+          return theItems;
+        },
+
+        remove : function(item) {
+          pm.remove(item.constr);
+        },
+
+        mouseleave : function(item) {
+          app.viewer.deselectAll();
+          app.viewer.refresh();
+        },
+
+        hover : function(item) {
+          app.viewer.select(item.constr.getObjects(), true);
+          app.viewer.refresh();
+        },
+
+        click : function(item) {
+          var c = item.constr;
+          if (c.SettableFields === undefined) return;
+          for (var f in c.SettableFields) {
+            var value = c[f];
+            var intro = c.SettableFields[f];
+            value = TCAD.TWO.utils.askNumber(intro, value.toFixed(4), prompt);
+            c[f] = value;
+          }
+          app.viewer.parametricManager.refresh();
+        }
+      });
+      app.viewer.parametricManager.listeners.push(function() {constrList.refresh()});
+      constrList.refresh();
+    }
+    window.___log = function(log) {
+        $('#log').append( " *****************<br><br><br><br>");
+        for (var i = 0; i < log.length; i++) {
+            $('#log').append( log[i] + " <br>");
+        }
+    };
+    window.onload = function() {
+      setTimeout(start, 0);
+    };
diff --git a/web/app/engine.js b/web/app/engine.js
index 02f89be5..2752c6a0 100644
--- a/web/app/engine.js
+++ b/web/app/engine.js
@@ -306,6 +306,7 @@ TCAD.geom.extrude = function(source, target) {
 
 TCAD.geom.FACE_COUNTER = 0;
 
+/** @Constructor **/
 TCAD.Solid = function(polygons, material) {
   THREE.Geometry.call( this );
   this.dynamic = true; //true by default
@@ -365,8 +366,11 @@ TCAD.Solid = function(polygons, material) {
   this.mergeVertices();
 };
 
-TCAD.Solid.prototype = Object.create( THREE.Geometry.prototype );
+if (typeof THREE !== "undefined") {
+  TCAD.Solid.prototype = Object.create( THREE.Geometry.prototype );
+}
 
+/** @Constructor **/
 TCAD.SketchFace = function(solid, poly) {
   var proto = poly.__face;
   poly.__face = this;
@@ -388,8 +392,10 @@ TCAD.SketchFace = function(solid, poly) {
   }
 };
 
-TCAD.SketchFace.prototype.SKETCH_MATERIAL = new THREE.LineBasicMaterial({
-      color: 0xFFFFFF, linewidth: 3});
+if (typeof THREE !== "undefined") {
+  TCAD.SketchFace.prototype.SKETCH_MATERIAL = new THREE.LineBasicMaterial({
+        color: 0xFFFFFF, linewidth: 3});
+}
 
 TCAD.SketchFace.prototype.syncSketches = function(geom) {
   var i;
diff --git a/web/app/sketcher/main2d.js b/web/app/sketcher/main2d.js
index 953b95f2..2692e452 100644
--- a/web/app/sketcher/main2d.js
+++ b/web/app/sketcher/main2d.js
@@ -213,7 +213,7 @@ TCAD.App2D.prototype.initSketchManager = function(data, ext) {
         if (!localStorage.hasOwnProperty(name)) {
           continue;
         }
-        if (name.startsWith(TCAD.STORAGE_PREFIX)) {
+        if (name.indexOf(TCAD.STORAGE_PREFIX) === 0) {
           name = name.substring(TCAD.STORAGE_PREFIX.length);
         }
         theItems.push({name : name});