It is quite helpful to design the form in InfoPath and publish on share point portal. If you have designed the for using Info Path 2003 it won't be browser based. To create the browser based from you need to use Info Path 2007. So now user can view fill the form on browser and save in share point portal. Here I'll discuss step by step to create a form in Info Path and publish on share point. An-InfoPath-Feedback-Form-and-Sharepoint-Form-Library