JS: Move common functionality to a library file.

java/jsw/ev/src/ev.html

@@ -23,6 +23,7 @@
     <canvas id="flowcanvas" width="1200" height="800"></canvas>
     <script src=pwr.js></script>
     <script src=cli.js></script>
+    <script src=gdh.js></script>
     <script src=ev.js></script>
     <hr>
     <address><a href="mailto:claes@debian86.ssab.com"></a></address>

java/jsw/flow/src/flow.html

@@ -14,6 +14,7 @@
     </div>
     <canvas id="flowcanvas" width="1200" height="800"></canvas>
     <script src=pwr.js></script>
+    <script src=gdh.js></script>
     <script src=flow.js></script>
     <hr>
     <address><a href="mailto:claes@debian86.ssab.com"></a></address>

java/jsw/ge/src/ge.html

@@ -9,6 +9,7 @@
     <canvas id="flowcanvas" width="1200" height="800"></canvas>
     <script src=pwr.js></script>
     <script src=cli.js></script>
+    <script src=gdh.js></script>
     <script src=ge.js></script>
     <hr>
     <address><a href="mailto:claes@debian86.ssab.com"></a></address>

java/jsw/opwind/src/opwind_menu.html

@@ -21,6 +21,7 @@
 	    <button id="logout_button" type="button" class="leftmenu-button">Logout</button>
       </div>
     </div>
+    <script src=crypt.js></script>
     <script src=pwr.js></script>
     <script src=opwind.js></script>
     <hr>

java/jsw/xtt/src/xtt.html

@@ -19,6 +19,7 @@
     <canvas id="flowcanvas" width="1200" height="800"></canvas>
     <script src=pwr.js></script>
     <script src=cli.js></script>
+    <script src=gdh.js></script>
     <script src=xtt.js></script>
     <hr>
     <address><a href="mailto:claes@debian86.ssab.com"></a></address>