Well, here is a quick update:
-I have checked the crash log, and I don't see anything but the list of 'Word' crashes (totalling 3) and one each for iTunes, iPhoto, Safari and the Finder. Note: This computer has been running almost continuously for a year now, so I don't if this amount of crashes is uncommon.
-I checked the modem via Techtool and it came out fine.
-The ISP says everything is fine, as far as they can tell...
-I don't know anything about OS 9, so I don't generally go into it unless absolutely necessary.
-I am now using 'internet connect' to connect to the web, via an alias in the Dock and have had no issues thus far. I will try this method exclusively for a while. But, as this is an intermittent problem I don't know when/if it will recur so that I can continue to troubleshoot in order to find the real problem.
-I read somewhere that when a Mac in OS X is restarted the modem is reset also, so I am wondering if the fact that I don't regularly shut down the Mac is part of the issue.
-I am reading all of the info I can find on Mac OS X and Macs in general, in an attempt to gain the precious background knowledge I may need for future troubleshooting and general use. Speaking of which, does anyone have any experience with the Applecare training that Apple sells on their site (for $299)? I was considering doing this, if it was worth the time and money to do so.
So, that is the status of the situation. I would greatly appreciate further input if someone thinks of something that might help. I must say that it is comforting to have people responding to my problem and trying to help, the Mac community is every bit as supportive as it is reputed to be. Hopefully I can return the favor at some point.
Thanks,
Amaizen_Aristotle