A relative path to the JavaScript file.
The default JavaScript file is ig_webtoolbar.js. By default, this file is located in a virtual directory called /webtoolbar2.
Note: The JavaScript file is required for the UltraWebToolbar to function properly at runtime.
Target Platforms: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2