For a new module development (soon available to download) for Drupal 6, I would like to add an ajax feature.
For this, I'm based on an example from the book "Pro Drupal Development" : the voting module "plus1", on page 267.
But I'm in front of an issue, that's I suppose come from the jQuery code.
So, I tried to upgrade the plus1 module for Drupal6 but still not working.
For those who know this module, after clicking on the "Vote button", I have a blank page with the json