These sites generally provide instructions on how and where to download the plug-in. If you are using a computer in the library lab, it may or may not have the plug-in you need. Try accessing the file and if it does not work, you probably don't have the required plug-in. Ask a lab worker for further assistance before downloading any plug-ins. If a document is taking a long time to arrive, click the stop button, then reload .
Documents often arrive more quickly on the second try.
To change your mind about a selection you just made, press the stop button. You will often get error messages when using Netscape, sometimes because a resource has been moved or removed, and sometimes because the machine where that document is stored is temporarily down. If a link does not work, try it again later . The URL of a link appears in the progress bar when you move the mouse over it without clicking. If you have selected a link that did not work, you can return to it by writing down the URL that displays at the bottom of the screen, then going directly to that document later.