One of our client's site, which runs on Drupal 7 allows users to create envelopes based on the custom values like name, address etc submitted by the user through that Drupal website. The requirement was to load this envelope in ckeditor so that end user can edit the default values given as per their wish. So we had to load the form field with the default values given in template. We used jQuery to do this. If you are looking to know how to load a drupal 7 form field with default values from CKEDITOR body content, then read on.