remove whitespace from the spreadsheet's url and query request
add a new kml file displaying Potsdam (extruded) and remove the commented out inclusions of the not extruded one
get the updating of the table to at least work sometimes

this seems to be some kind of caching problem
second problem is: this synchronous loading is (at least after one
reload) sloooow, but switching to asynchronous is not as easy as
toggling the parseOnLoad and async options of dojo