Review and bugfix of a Canvas script within Drupal 7/Webform module as a field by mikeohara

I have adapted a Jquery / CANVAS script into a Drupal webform element. I need it to be debuged, and tested for operation across browsers. was based on: http://thomasjbradley.ca/lab/signature-pad/ … (Budget: $50-$190 CAD, Jobs: Drupal, HTML, Javascript, jQuery / Prototype, PHP)