why can't I upload a form from my wensite

Hi,

There are several different ways to embed your form to your webpage, here is our guide on choosing which one:

http://www.jotform.com/help/67-Which-Form-Embed-Code-Should-I-Use

The best and most functional way however, is to use the iFrame code:

http://www.jotform.com/help/148-Getting-the-Form-iFrame-Code

If these do not work for you, let us know and we will be happy to have another look.