The behavior actions included with Dreamweaver have been written to work in all 4.0 browsers. Some actions do not work in older browsers. Refer to the table below for details on specific actions and browsers.

	Macintosh				Windows
Action	Netscape 2.x	Netscape 3.x	Internet Explorer 3.0	Internet Explorer 3.01	Netscape 2.x	Netscape 3.x	Internet Explorer 3.0	Internet Explorer 3.01
Change Property	OK; fails without error for objects in layers	OK; fails without error for objects in layers	Fails without error	OK	OK; fails without error for objects in layers	OK; fails without error for objects in layers	OK	OK
Check Browser	OK	OK	OK	OK	OK	OK	OK	OK
Check Plugin	OK	OK	Fails without error	OK	OK	OK	OK	OK
Control Shockwave	Fails without error	OK	Fails without error	Fails without error	Fails without error	OK	Fails without error	Fails without error
Control Sound	Error	OK	Fails without error	Fails without error	Fails without error	OK	Fails without error	Fails without error
Display Status Message	Fails without error	OK	Fails without error	OK	Fails without error	OK	OK	OK
Drag Layer	Fails without error	Fails without error	Fails without error	Fails without error	Fails without error	Fails without error	Fails without error	Fails without error
Go To URL	Go to URL in a frame works, but go to URL in main window fails without error if applied to a link.	OK	Fails without error	OK	OK	OK	OK	OK
Open Browser Window	Fails without error	OK	Fails without error	OK	OK	OK	OK	OK
Pop-up Message	OK	OK	Fails without error	OK	OK	OK	OK	OK
Preload Images	Fails without error	OK	Fails without error	OK	Fails without error	OK	Fails without error	Fails without error
Show-Hide Layers	Fails without error	Fails without error	Fails without error	Fails without error	Fails without error	Fails without error	Fails without error	Fails without error
Swap Image	Fails without error	OK	Fails without error	OK	Fails without error	OK	Fails without error	Fails without error
Swap Image Restore	Fails without error	OK	Fails without error	OK	Fails without error	OK	Fails without error	Fails without error
Validate Form	Fails without error	OK	Fails without error	OK	Fails without error	OK	Fails without error	Fails without error
Play Timeline Stop Timeline Go To Timeline Frame	Error	Image source animation and invoking behaviors works, but layer animation fails without error.	Fails without error	Fails without error	Error	Image source animation and invoking behaviors works, but layer animation fails without error.	Fails without error	Fails without error