demos : hash-history : make Opera always use jQuery

fixes #102

_posts/demos/2011-06-13-hash-history.html

@@ -78,6 +78,11 @@ category: demos
             layoutMode: 'masonry'
           };
 
+      // ensure no transforms used in Opera
+      if ( $.browser.opera ) {
+        defaultOptions.transformsEnabled = false;
+      }
+      
       {% include random-sizes.js %}
   
       var setupOptions = $.extend( {}, defaultOptions, {
@@ -149,7 +154,7 @@ category: demos
         // get options object from hash
         var hashOptions = window.location.hash ? $.deparam.fragment( window.location.hash, true ) : {},
             // do not animate first call
-            aniEngine = hashChanged ? 'best-available' : 'none',
+            aniEngine = hashChanged ? ( $.browser.opera ? 'jquery' : 'best-available' ) : 'none',
             // apply defaults where no option was specified
             options = $.extend( {}, defaultOptions, hashOptions, { animationEngine: aniEngine } );
         // apply options from hash