mPreuilh on "[Plugin: Contact Form 7] Problem with on_sent_ok"

Hi,

I'm Mathieu and I'm a web developper. On of my customer want a tracking on google analytics when the form is submit.

I test width the 2 codes proposed on this page : http://contactform7.com/tracking-form-submissions-with-google-analytics/
but this not work.

My code :
on_sent_ok: "_gaq.push(['_trackPageview', '/Reservation-Validee/']);"

I also create an objective on my Google analytics with this address.

Can you help me please ?

Thanks

http://wordpress.org/extend/plugins/contact-form-7/