its for a side vent window that opens with a t-slide handle
Short of that you may be able to take the frame, if its in a frame, to a local glass shop and get them to make you one out of tempered glass or Plexiglas. DO NOT use standard glass as its not strong enough and if it breaks again there will be very sharp shards flying around.
You can tell if Taylor make your windshield frame and such - they put their name in the lower corners of the glass. May even be a model number there? Not sure on that.