ASP.NET Script Manager
Use one manager for all of your scripts with this ASP.NET AJAX script manager that enables IntelliSense® within Visual Studio® 2010/08, and administers all necessary resources (CSS, JavaScript, etc.) to streamline your web configuration and file deployment.
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Wrapper
Wrapper around the Microsoft ASP.NET AJAX script manager extends the Infragistics ASP.NET AJAX controls inside of Visual Studio 2010 to take advantage of the IntelliSense® support.
CDN
If you use the Infragistics CDN for your JavaScript & CSS files, the web script managers allow you to configure settings on the page level.