I would just create four webpages; one for each day.
If you are using php I found a good tutorial for converting database entries into flags on the map. You could then have a form to put the jobs into a MySQL table and it could automatically put flags onto the map; the info box could also display the address etc.
I will be a little bit more complicated than I have suggested but it will give you a rough idea - you could use different flags for different people.
This is the Google tutorial I used for my photo site. You could have one map with different coloured flags for different days.