There is no special configuration variables to make this
possible. We do some simple scripting instead. The logic is simple:
1. show the dateinput when page loads and 2. disable closing of
dateinput. When user clicks on a date we update our large "day
display" with a custom formatted date string.
We make a separate wrapper element for the dateinput and the
associative calendar and we adjust it's dimensions with CSS. The day
display is a simple DIV that get's filled when a day is selected.
Here is the styling of the wrapper element and the day display.