Google released a new version of its toolbar Sunday night, and added one designed for the enterprise.Google Toolbar 4.0 broadens its focus and functionality beyond Google Search, adding four new features: custom buttons, Web-based bookmarks and site-specific search.”Custom buttons go to the heart of the personalization we’ve done,” said Sundar Pichai, group product manager of client software at Google. “We wanted a scalable way by which each user could customize the toolbar in meaningful way.”For more on this new Google updated toolbar visit here.