Fix bug in navigate example introduced by renaming enable to interactive

git-svn-id: https://flot.googlecode.com/svn/trunk@188 1e0a6537-2640-0410-bfb7-f154510ff394

examples/navigate.html

@@ -63,10 +63,10 @@ $(function () {
         xaxis: { zoomRange: [0.1, 10], panRange: [-10, 10] },
         yaxis: { zoomRange: [0.1, 10], panRange: [-10, 10] },
         zoom: {
-            enable: true
+            interactive: true
         },
         pan: {
-            enable: true
+            interactive: true
         }
     };