Many offices have a calendar tacked to the wall in a central location. Employees add items such as scheduled vacations, reservations of conference rooms, or notices about meeting, conferences, or seminars. Employees can more efficiently coordinate their work with that of others in the organization by using WebCal. WebCal provides a Web interface to a similar shared calendar. Every user can read what other people have added and, if the script is configured to do it, can modify each other's entries. WebCal has two primary views: the month view and the day view. Varying levels of security are configurable. For example, WebCal can be made to be viewable by anyone or by authenticated users only. Items within the calendar database can be made to be modifiable or deletable only by the person who posts them or by everyone.