We need a simple to-do tracking system. A person logs in to the system and are shown their to-do's for that day. Each one has a checkbox next to it. When the checkbox is checked the item is updated through ajax. At the top of the page a person can choose another day in time (only in the past) that they want to look at (only an admin can update days in the past). They can click a calendar image that lets them see a full size calendar that shows them how many to-do's they completed...