Fixed a few copy paste typos. Variables, pointers and code insertAfter was not working.
Merge pull request #136 from X455u/insertfix

Thanks!
Fix tree absolute positioning
Merge branch 'master' of github.com:vkaravir/JSAV
Fixed tree node positioning bug (closes #122)
Added dummy functions showing error logs to jsav.g when raphael is not loaded
Fixed a bug in _setcss helper
Return this from node.highlight/unhighlight to enable chaining
Tree child() now better handles various types of values
Fixed the previous fix :(
Code cleanup, mainly whitespace fixes
Jsavcanvas now autoresizes itself based on content (fixes #90)
Added option arrowAnchor to set the target of the pointer arrow
Use correct options in tree layout center