diff --git a/bower.json b/bower.json
index 65a5fe2e..774c252f 100644
--- a/bower.json
+++ b/bower.json
@@ -1,6 +1,6 @@
 {
   "name": "openchemlib",
-  "version": "4.7.2",
+  "version": "5.0.0",
   "description": "Manipulate molecules",
   "keywords": [
     "chemistry",
diff --git a/dist/openchemlib-core.js b/dist/openchemlib-core.js
index db4ec86b..792ecb59 100644
--- a/dist/openchemlib-core.js
+++ b/dist/openchemlib-core.js
@@ -1,7 +1,7 @@
 /**
  * openchemlib - Manipulate molecules
- * @version v4.7.2
- * @date 2017-01-13T13:18:39.114Z
+ * @version v5.0.0
+ * @date 2017-01-13T13:31:46.244Z
  * @link https://github.com/cheminfo/openchemlib-js
  * @license BSD-3-Clause
 */
@@ -133,29 +133,28 @@ WV.WS=function WS(a,b){var c;c=new WV.uT;c.c=true;c.d=b.Gb();return WV.XS(a,b.Fb
 
         var toReturn = $wnd["OCL"];
 
-        toReturn.version = '4.7.2';
+        toReturn.version = '5.0.0';
 
         return toReturn;
     }
 
-    var isBrowser, globalEnv, document;
+    var isBrowser, globalEnv;
 
-    if (typeof window !== 'undefined') { // usual browser window
-        isBrowser = true;
-        globalEnv = window;
-        document = window.document;
-    } else if (typeof self !== 'undefined') { // Web Worker
+    if (typeof self !== 'undefined') { // Usual Browser Window or Web Worker
         isBrowser = true;
         globalEnv = self;
-        document = {};
     } else if (typeof global !== 'undefined') { // Node.js
         isBrowser = false;
         globalEnv = global;
-        document = {};
     } else { // Other environment (example: CouchDB)
         isBrowser = false;
         globalEnv = root;
-        document = {};
+    }
+
+    var document = globalEnv.document || {};
+
+    if (!document.compatMode) {
+        document.compatMode = 'CSS1Compat';
     }
 
     var fakeWindow;
diff --git a/dist/openchemlib-full.js b/dist/openchemlib-full.js
index 4eab69a9..8d8e9356 100644
--- a/dist/openchemlib-full.js
+++ b/dist/openchemlib-full.js
@@ -1,7 +1,7 @@
 /**
  * openchemlib - Manipulate molecules
- * @version v4.7.2
- * @date 2017-01-13T13:18:39.120Z
+ * @version v5.0.0
+ * @date 2017-01-13T13:31:46.234Z
  * @link https://github.com/cheminfo/openchemlib-js
  * @license BSD-3-Clause
 */
@@ -149,29 +149,28 @@ _.yd=function ovb(){return true};fxb.Nbb=hlb(380,null);Sxb.pvb=function pvb(a,b)
 
         var toReturn = $wnd["OCL"];
 
-        toReturn.version = '4.7.2';
+        toReturn.version = '5.0.0';
 
         return toReturn;
     }
 
-    var isBrowser, globalEnv, document;
+    var isBrowser, globalEnv;
 
-    if (typeof window !== 'undefined') { // usual browser window
-        isBrowser = true;
-        globalEnv = window;
-        document = window.document;
-    } else if (typeof self !== 'undefined') { // Web Worker
+    if (typeof self !== 'undefined') { // Usual Browser Window or Web Worker
         isBrowser = true;
         globalEnv = self;
-        document = {};
     } else if (typeof global !== 'undefined') { // Node.js
         isBrowser = false;
         globalEnv = global;
-        document = {};
     } else { // Other environment (example: CouchDB)
         isBrowser = false;
         globalEnv = root;
-        document = {};
+    }
+
+    var document = globalEnv.document || {};
+
+    if (!document.compatMode) {
+        document.compatMode = 'CSS1Compat';
     }
 
     var fakeWindow;
diff --git a/dist/openchemlib-minimal.js b/dist/openchemlib-minimal.js
index e8b081cc..3a29c9be 100644
--- a/dist/openchemlib-minimal.js
+++ b/dist/openchemlib-minimal.js
@@ -1,7 +1,7 @@
 /**
  * openchemlib - Manipulate molecules
- * @version v4.7.2
- * @date 2017-01-13T13:18:39.106Z
+ * @version v5.0.0
+ * @date 2017-01-13T13:31:46.249Z
  * @link https://github.com/cheminfo/openchemlib-js
  * @license BSD-3-Clause
 */
@@ -114,29 +114,28 @@ _.cAtomQFNeighbours=hS.Sr;_.cAtomQFNoMoreNeighbours=hS.Tr;_.cAtomQFNoOfBits=hS.U
 
         var toReturn = $wnd["OCL"];
 
-        toReturn.version = '4.7.2';
+        toReturn.version = '5.0.0';
 
         return toReturn;
     }
 
-    var isBrowser, globalEnv, document;
+    var isBrowser, globalEnv;
 
-    if (typeof window !== 'undefined') { // usual browser window
-        isBrowser = true;
-        globalEnv = window;
-        document = window.document;
-    } else if (typeof self !== 'undefined') { // Web Worker
+    if (typeof self !== 'undefined') { // Usual Browser Window or Web Worker
         isBrowser = true;
         globalEnv = self;
-        document = {};
     } else if (typeof global !== 'undefined') { // Node.js
         isBrowser = false;
         globalEnv = global;
-        document = {};
     } else { // Other environment (example: CouchDB)
         isBrowser = false;
         globalEnv = root;
-        document = {};
+    }
+
+    var document = globalEnv.document || {};
+
+    if (!document.compatMode) {
+        document.compatMode = 'CSS1Compat';
     }
 
     var fakeWindow;
diff --git a/package.json b/package.json
index 41ca6cc4..95d50964 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "openchemlib",
-  "version": "4.7.2",
+  "version": "5.0.0",
   "description": "Manipulate molecules",
   "keywords": [
     "chemistry",