diff --git a/init.rb b/init.rb
index a384c77..c6921a1 100644
--- a/init.rb
+++ b/init.rb
@@ -1,4 +1,5 @@
 require 'zoomifier'
 require 'zoomifier_helper'
 
+ActionView::Helpers::AssetTagHelper::register_javascript_include_default 'swfobject'
 ActionView::Base.send :include, Zoomifier::ViewHelpers
diff --git a/spec/zoomifier_helper_spec.rb b/spec/zoomifier_helper_spec.rb
index 1ae8a41..b3524f5 100644
--- a/spec/zoomifier_helper_spec.rb
+++ b/spec/zoomifier_helper_spec.rb
@@ -15,6 +15,10 @@ describe Zoomifier::ViewHelpers do
     @view.should respond_to(:zoomify_image_tag)
   end
 
+  it "should register swfobject.js as a default javascript library" do
+    @view.javascript_include_tag(:defaults).match(/"\/javascripts\/swfobject.js"/).should_not be_nil
+  end
+
   it "should generate the zoomify markup" do
     @view.zoomify_image_tag('foo.jpg', { :id => 'foo', :alt => 'Foo Bar', :width => 800, :height => 500 }).should ==
       '<div id="foo"><img alt="Foo Bar" height="500" src="/images/foo.jpg" width="800" /></div>' +