Simplify if statements
Use local jquery and jquery-ui
Remove redundant variable
Update versions
Remove old "border" attribute and replace with css
Change data to data-id
Fix incorrect return false
Fix incorrect return false
Fix incorrect return false
Use inset border on active cells
Use preventDefault and stopPropagation rather than return false
Use thin size for inset active cells and revert checkbox style combination
Remove background from checkboxes
Remove tabs.css code
End php tags when not printing php