EDIT

ref #7599 ref #6866 specimen details in floating tables - improved layout (compatible with all major browsers)

ref #7599 ref #6866 specimen details in floating tables - cleaning

ref #7599 ref #6866 specimen details in floating tables - gathering details

method to check variables for isset & not empty - improvement and similar method for numerical vals only

method to check variables for isset & not empty - detecting whitespace only strings as empty

ref #7599 ref #6866 specimen details in floating tables - first part

method to check variables for isset & not empty - improved

method to check variables for isset & not empty

ref #7599 derivative tree view: collapsible unit tree layout improved

ref #7599 derivative tree view: collapsible unit tree styled as tree