top.js:
  function makeBusySpt() {...} echo's BUSY and refreshes.
	function makeBusyOffSpt() {...} blanks middle echo, refreshes, messages BusyOff.

makeView1Spt() (in scripts.js) ends with makeBusySpt()

initializeSecondaryStructureSpt() includes makeBusyOffSpt()

scriptToJmol() (in top.js) prepends makeBusySpt() when !usingJava and currentView is not renderend
    (meaning currentView is not rendering of the end of a chain)
  and postpends makeBusyOffSptNoRefresh().


