Personally, I don't know how good of an idea it is to use a submit button with an onclick event. I could be wrong, and still living in earlier days, but I would use a button, with an onclick, and then do a form.submit(); to submit the form. The perl code looks fine (taken from a book, pretty much, but fine). A Debugging suggestion here, is to use alerts throughout your code, and walk through the page, line by line if necessary, with alerts in each code block. Alert the values of your variables or elements, and make sure that you are passing something other than blank or null information to the perl script.