In Netscape, you may right click on the web page and select Send Page. This will open the e-mail window where you type in the user to be sent to and the message. The link will be pasted into the message automatically.
In Internet Explorer, open the web page you want to send, go to Tools, Mail & News, then Send Page. This will open the e-mail window where you type in the user to be sent to and the message. The link will be pasted into the message automatically.