search for: pshoemaker

I have an HTML form on the screen, that is connected to a database (standard Ruby way). I found that there are people that would rather not fill in this information, but would rather search Amazon for the info. Therefore, I added a link to the right of one of the fields that, when pressed, will search Amazon for what ever you typed into that field. So, how can I do that? At first I tried

I''ve scoured the Wiki and gone through the documentation with a fine toothed comb, but I can''t seem to find this answer. I want to keep a history of the changes made to a record, but can''t seem to find out what fields have changed. I''m sitting in the update function, as you can see below... I want to be able to get a list of what has changed so I can add