subelements now see the whole data struct

	modified:   js/dl.js
	modified:   lib/input.js
	modified:   lib/output.js
	modified:   templates/display/inputPressureSection.html
	modified:   templates/element/Caption.html
	modified:   templates/element/Comment.html
	modified:   templates/element/Document.html
	modified:   templates/element/Type.html
	modified:   templates/element/Unit.html
	modified:   templates/element/Value.html
	modified:   templates/main.html