SimpleSubmit is a very easy to use contact form powered by PHP/Ajax  for your website.

Simply upload the files content files on to your website, and add your email and email subject into the submit_now.php.
The form handler script will allow you to add any filed into the form without adding any additional syntax.

— Oct 06 2013, you can add a custom validation message by simply adding the following syntax on form.html on line 23.

$.validator.messages.required = "Your message here";

Full Details:

– Very easy to integrate into any existing PHP page on your website.
– The form style can be integrated into your existing website Stylesheet.
– All fields have a validation script so you get the *required info you need.
– Only 1 option to configure (your email address) to make the script function.
– Integrated  success page.
– Integrated error messages, if fields are not correct or incomplete.
– Uses standard server features for a no-hassle installation.
– Customizable email subject.