I am using Drupal 6.22 and the Lightbox2 module. I used it before in another webpage and it worked like a charm. So I don't understand why suddently it doesn't work anymore!?

in the Lightbox2 settings page you can configure a CSS class that will trigger the lightbox behaviour automatically. So far so good. However when I enter a name for my class, it doesn't show up correctly in the source code! Instead of the class name I entered "XXX" it shows this in the page source:

"custom_trigger_classes": "img.\x3cp\x3eXXX\x3c/p\x3e"

Where do these characters

\x3cp

etc. come from???

normaly the source should show this (it works in my other site):

"custom_trigger_classes": "img.XXX"

Help is highly appreciated!!!