I have managed to create this simple form, how do I parse info the user clicks on.
<form id='sampleform' method='post' action='myurl.com' >
Name: <input type='text' name='Name' />
Email: <input type='text' name='Email' />
<input type="radio" name="subject" value="maths" /> £10
<input type="radio" name="subject" value="physics" /> £5
<input type="radio" name="subject" value="physics" /> £3
£<input type='text' name='donate-amount' />
<input type='submit' name='Submit' value='Submit' />
Generally, the <form>'s 'action' attribute points to a script on a server that parses the user's submission. You'll need to be more specific about what you're doing and the software involved to get a more detailed answer.
This form is on a flat HTML page which will go to a dynamic page.