Flex Interface Development

We require the design of a simple Flex Interface. This should be very easy for an experienced Flex developer. Please see the attached screenshot for a guide as to what we require. We would require the complete Flex Project files once completed. This system will be web based and viewed through an internet browser. Basically this is an index system that will allow us to display a tree menu (that we can edit via an mxml or xml file). This will display categories and documents. Once clicked they will load the relevant page into a content window. This content window should allow for the display of html pages, swf files and even pdf files if possible. We require basic navigation of the content window. This includes back, forward and home buttons. This will affect what is displayed within the content window. We are happy to provide more detailed information to the winner and this could develop into more ongoing work with the right developer. We will need to be convinced you are proficient with Flex development to be awarded this project so please provide relevant examples of previous work.