Adding nav folder
diff --git a/user_guide/nav/hacks.txt b/user_guide/nav/hacks.txt
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+I did the following hack in moo.fx.js:
+
+At line 79 in the toggle: function()  function, I added:
+
+document.getElementById('nav').style.display = 'block';
+
+
+
+-- Rick Ellis
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