how do i create a form with dynamic donation amount

[davindersingh]

Hi,
Ive checked https://developers.clickandpledge.co...sdownloads.htm
These are full forms. I just need donation amount transfered from landing...

[davindersingh]

I've created 2 pages for donation.
1) Landing page with text box saying "enter donation amount"
2) Actual donate form page...