[Plugin: WP jQuery Lightbox] jQuery Lightbox stopped working

Your site is throwing multiple errors. Fix them?

GET http://ads.pro-market.net/ads/scripts/site-129767.js
Unsafe JavaScript attempt to access frame with URL http://www.predatorhunters.at/first-time-schleppen-auf-seeforelle-am-attersee/ from frame with URL http://www.youtube.com/embed/6SpFyQjv6OI. Domains, protocols and ports must match.
Resource interpreted as Script but transferred with MIME type text/html: "http://www.stumbleupon.com/hostedbadge.php?s=4&r=http%3A//www.predatorhunters.at/first-time-schleppen-auf-seeforelle-am-attersee/".
rs=AItRSTPhT_LK7EfXZBTFecYBu6x_kP3uJA:210No relay set (used as window.postMessage targetOrigin), cannot send cross-domain message
Unable to post message to http://www.stumbleupon.com. Recipient has origin http://www.predatorhunters.at.
/first-time-schleppen-auf-seeforelle-am-attersee/:78Uncaught TypeError: Object http://www.predatorhunters.at/wp-content/uploads/2012/04/Attersee05.jpg has no method 'attr'

Using Chrome, right-click anywhere and select “Inspect Element” to see the error log. In Internet Explorer, open the developer tools. Other browser have similar functions.