The problem now is that after the user changes a month special days are not maintained. I'm guessing that its caused due to the calendar not longer firing a postback and therefore my on load sub is not being called.
Here is my sub:
'grab holidays & floatings
Dim x AsNew GlobalClass
Dim xarr AsNew ArrayList : Dim xarr2 AsNew ArrayList : Dim n AsInteger = 0
xarr = x.getXarrADV("SELECT name from tHolidays where type = 'holiday'")
xarr2 = x.getXarrADV("SELECT date from tHolidays where type = 'holiday'")
Dim dayn(xarr.Count) As Telerik.Web.UI.RadCalendarDay