Fix: Try a fix for IE9 (need to be tested with IE 8, 7 and 10)
Merge branch '3.3' of https://github.com/Dolibarr/dolibarr.git into 3.3
Fix: Syntax sql error when adding/editing line of contract and when
company does not use vat.
Merge pull request #714 from FHenry/3.3

fix [ bug #749 ]