*available dates hover colour - mouse hover over background colour of available nights
*unavailable dates background color
*referrer referer text - If you use widgets on different websites web sites you may use different referrers referers on each. This text will be recorded with any bookings originating from this widget allowing tracking of booking sources.
If you want to change the first day of the week, for example to Sunday, add the following to your page anywhere before the calendar code. The number can be between 0 and 7 where 0=Sunday, 1=Monday etc.