The Advanced tab of the Form Options dialog box has controls for specifying the following options:
Enabling and adding custom task panes. You create custom task panes as HTML files, which often include links to script functions that program InfoPath operations or display data.
Changing the form version number and specifying how InfoPath upgrades forms to the latest version.
Changing the default scripting language from JScript to VBScript. Adding custom script in script.js or script.vbs disables the Form Script Language list. Adding Visual Basic .NET code behind InfoPath forms is discussed in of Part IV of this book, “Programming InfoPath Forms.”
Exporting pre-SP-1 versions of the template for use by users without InfoPath ...