Note: There might be minor issues in quirks mode (no specified). It works but there might be a bad pixel here or there. You should take this into account when using DayPilot with Sharepoint 2007. DayPilot Scheduler might require some tweaking (IE7 in quirks mode).
See also: KB: Recommended Doctypes
DayPilot.dll is compiled with .NET Framework 2.0.
DayPilot does not require ASP.NET AJAX Extensions to run.
Sometimes it can be fixed inside DayPilot (especially the CSS) but sometimes not (third part ASP.NET controls). Please contact firstname.lastname@example.org to check the options.