This paper provides a framework called Camel which is able to separate developer's and designer's work completely in developing Rich Internet Applications. In the last years, web becomes one of the most popular methods to transfer information such as search contents, advertise information and online shopping. We usually use an appropriate web application to achieve our requirement. In the development process of current web applications, designers design interfaces of an application by using HTML, CSS, image and developers not only implement business logics but also modify the interface for dynamic generation of HTML tags based on the executed logic. Therefore, not only designers but also developers have to work every time when design of the interface is changed. This paper describes camel framework and its implementation, which is based on Flex, and then demonstrate its usage and utility by implementing a real application.