if (nsCRT::strcasecmp(aContentType, "message/rfc822") == 0)
if (!nsCRT::strcasecmp(aContentType, "message/rfc822"))
ImageConsumer::CanHandleContent(const char * aContentType,                                nsURILoadCommand aCommand,                                const char * aWindowTarget,                                char ** aDesiredContentType,                                PRBool * aCanHandleContent){  // if we had a webshell or doc shell around, we'd pass this call  // through to it...but we don't =(  if (nsCRT::strcasecmp(aContentType, "message/rfc822") == 0)    *aDesiredContentType = nsCRT::strdup("text/xul");  // since we explicilty loaded the url, we always want to handle it!  *aCanHandleContent = PR_TRUE;  return NS_OK;} 