Online help systems can integrate into your website, company intranet, or any software product or service. The more support information you provide to your customers, the happier they will be. Your customer support employees will have more time to address real problems.
These help systems can be context based so that the first page that opens will apply directly to the part of your software where the HELP link is clicked.
In addition, the content of your online help systems should have the exact information as your print support documents. The best way to accomplish this is with XML single sourcing.