Shell Programming and Scripting

I am new to PHP scripting.

I have a page with a checkbox and I'd like to make it required before submiting

Here is the code I have for displaying:

<tr>
<td align="center" colspan="4"><font size="2" color="#990000" face="Arial, Helvetica, sans-serif">
By checking this box you agree to the terms above:
</font>
<input type="checkbox" name="LicenseAgreement" value="Yes">
</td>
</tr>

Thanks, I appreciate any help.

This is off-topic for this list.

You need to find a Javascript or PHP site, because you have two options:

1. Do it in Javascript, intercepting the form submission, checking the checkbox, and canceling the submission and popping up a message if it's not selected.

2. Do it in PHP, checking the value on form submission and, if unchecked, bringing back the same page with an error message instead of continuing on to the next page.

Either one is simple and can easily be found with a Google search.