Custom GMAP application

I want to create a portion of a website as follows: A user can come to our website and place a pin on a particular place on the map and also associate comments and content (video, sound images) to the pin on map. The data is then uploaded to the server. The next time any one visits the website, they can see the images/video from all the previous posts. Requires php,mysql & javascript programming ## Deliverables Please refer to the attached rfp for complete details. The project must meet all the requirements!