diff --git a/lib/zoomifier_helper.rb b/lib/zoomifier_helper.rb
index acdeefd..6cb94ab 100644
--- a/lib/zoomifier_helper.rb
+++ b/lib/zoomifier_helper.rb
@@ -1,10 +1,13 @@
 module Zoomifier
   module ViewHelpers
     def zoomify_image_tag(source, options = {})
-      raise ArgumentError unless options[:id]
-      content_tag :div, { :id => options[:id] } do
+      raise ArgumentError unless [:id, :width, :height].all? {|o| options[o] }
+      s = content_tag :div, { :id => options[:id] } do
         image_tag source, options.merge({ :id => nil })
       end
+      zoomify_path = image_path(source).gsub(/\.[^.]+$/, '')
+      s += javascript_tag "swfobject.embedSWF('/swf/zoomifyViewer.swf', '#{options[:id]}', '#{options[:width]}', '#{options[:height]}', '9.0.0', false, { zoomifyImagePath: '#{zoomify_path}/' });"
+      s
     end
   end
 end
diff --git a/spec/zoomifier_helper_spec.rb b/spec/zoomifier_helper_spec.rb
index 9df9bd6..1ae8a41 100644
--- a/spec/zoomifier_helper_spec.rb
+++ b/spec/zoomifier_helper_spec.rb
@@ -16,7 +16,10 @@ describe Zoomifier::ViewHelpers do
   end
 
   it "should generate the zoomify markup" do
-    @view.zoomify_image_tag('foo.jpg', { :id => 'foo', :alt => 'Foo Bar' }).should ==
-      '<div id="foo"><img alt="Foo Bar" src="/images/foo.jpg" /></div>'
+    @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>' +
+      "<script type=\"text/javascript\">\n//<![CDATA[\n" +
+      "swfobject.embedSWF('/swf/zoomifyViewer.swf', 'foo', '800', '500', '9.0.0', false, { zoomifyImagePath: '/images/foo/' });\n//]]>\n" +
+      '</script>'
   end
 end