I also wanted to add that you could also use our Constant Contact Signup Form Generator (CCSFG) which will make a custom HTML form that could look very similar to what you have. The CCSFG would also handle taking the results of your HTML form, placing them into properly formatted XML, and making the HTTP request to place that contact your account.
Please note that if your current form also deposits the contacts into your own personal database, that process would not be completed by the CCSFG if you were to use that instead.
Please let us know if you have any questions or concerns regarding this. Thanks.
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