RoboHelp 8 and Chrome

We're using RoboHelp 8 to create html help files. These files reside on our server. Context-sensitive help is displayed by calling RH_ShowHelp().

In IE and FF, calling "RH_ShowHelp(0,'/help/help.htm>NoNavPane', HH_HELP_CONTEXT, 102)" opens a new window displaying the appropriate context-sensitive help page.

In Chrome, the same RH_SHowHelp call opens a new window with no content - url bar has "about:blank".

Is there a workaround for this issue in RoboHelp 8?  If not, is the problem corrected in later versions of RoboHelp?

Thanks in advance,

Trevor.