# Advanced Preferences

This section describes how to use the Advanced preference panel. If you are not already viewing the panel, follow these steps:

1. Open the Edit menu and choose Preferences.
2. Click the Advanced category.

In this section: Advanced Scripts and Windows Cache Proxies HTTP Networking Software Installation Mouse Wheel System

## Advanced Preferences - Advanced

This section describes how to use the main Advanced preferences panel. If you're not already viewing it, follow these steps:

1. Open the Edit menu and choose Preferences.
2. Click the Advanced category.

The main Advanced preferences panel allows you to customize Java, FTP passwords, and Quick Launch:

- Enable Java: Select this to allow Mozilla to interpret pages containing Java. Java is used on some Web page to incorporate interactive and multimedia content.
- Send this email address as anonymous FTP password: Type an email address that you want to use as your password when logging into an FTP site anonymously.
- Keep &brandShortName; in memory to improve startup performance: Select this if you want to shorten the time it takes to start Mozilla. See "Using Quick Launch" for more information about using Quick Launch.

  Note: Quick Launch appears only on Windows-based platforms.

## Advanced Preferences - Scripts & Windows

This section describes how to use the Scripts & Windows preferences panel. If you're not already viewing it, follow these steps:

1. Open the Edit menu and choose Preferences.
2. Under the Advanced category, click Scripts & Windows. (If no subcategories are visible, double-click the category to expand the list.)

The Scripts & Windows preferences panel allows you to control how JavaScript is used in Netcape:

- Enable JavaScript for: Check these checkboxes to turn JavaScript on:
  - Navigator: Toggles JavaScript on for web pages opened Navigator.
  - Mail & Newsgroups: Toggles JavaScript on for web pages opened in Mail & Newsgroups.
- Allow webpages to: Check these checkboxes to control how JavaScript can be used:
  - Open a link in a new window: Allows clicked links to be opened in a new window. Some links are configured to open in new windows instead of within the same window.
  - Move or resize existing windows: Allows open windows to be resized or moved.
  - Raise or lower windows: Allows windows to be placed under or on top of other windows.
  - Change status bar text: Allows status bar text to be changed, such as in scrolling text in the status bar.
  - Change images: Allows images to be changed or animation, such as in image rollovers (images that change when the mouse cursor is placed over them).
  - Create or change cookies: Allows cookies to be changed or created using JavaScript.
  - Read cookies: Allows cookies to be read using JavaScript.

## Advanced Preferences - Cache

This section describes how to use the Cache preferences panel. If you're not already viewing it, follow these steps:

1. Open the Edit menu and choose Preferences.
2. Under the Advanced category, click Cache. (If no subcategories are visible, double-click the category to expand the list.)

The Cache preferences panel allows you to adjust the Mozilla memory and disk cache:

- Memory Cache: Type in the amount of memory-based cache you want to allocate for Mozilla. Memory cache is erased when you turn off or restart the computer.
- Disk Cache: Type in the amount of disk cache, and disk cache you want to allocate for Mozilla. Disk cache is saved to your hard disk (drive) and can be used again even if you have turned your computer off.
- Disk Cache Folder: The folder where you want Mozilla to store your disk cache.
- Clear Memory Cache: Click this to clear the memory cache.
- Clear Disk Cache: Click this to clear the memory cache.
- Choose Folder: Click this to choose the disk cache folder.
- Compare the page in the cache to the page on the network:
  - Every time I view the page: Select this if you want Mozilla to compare a web page to the cache every time you view it.
  - Automatically: Select this if you want Mozilla to compare a web page to the cache when the page is determined by the server to haved expired.
  - Once per session: Select this if you want Mozilla to compare a web page to the cache once for each time you start Mozilla.
  - Never: Select this if you do not want Mozilla to compare cached information to the network.

## Advanced Preferences - Proxies

This section describes how to use the Proxies preferences panel. If you're not already viewing it, follow these steps:

1. Open the Edit menu and choose Preferences.
2. Under the Advanced category, click Proxies. (If no subcategories are visible, double-click the category to expand the list.)

The Proxies preferences panel allows you to set up Mozilla to use a proxy:

Before you start: Ask your network administrator if you have a proxy configuration file or for the names and port numbers of the proxy.

- Direct connection to the Internet: Choose this if you don't want to use a proxy.
- Manual proxy configuration: Choose this if you don't have a proxy location (URL). Type the name or numeric IP address of the proxy server for each type of server (FTP, Gopher, HTTP, SSL, SOCKS). When entering a SOCK Host, select "SOCKS v4" or "SOCKS v5," depending on what versoin of SOCKS is used for the proxy. In "No Proxy for:," type the domains that you do not want to use a proxy for. Separate each domain with a comma. (Example: .yourcompany.com, .yourcompany.co.nz)
- Automatic proxy configuration URL: Choose this if you have a proxy configuration file or URL, then type the configuration URL.

## Advanced Preferences - HTTP Networking

This section describes how to use the HTTP Networking preferences panel. If you're not already viewing it, follow these steps:

1. Open the Edit menu and choose Preferences.
2. Under the Advanced category, click HTTP Networking. (If no subcategories are visible, double-click Advanced to expand the list.)

The HTTP Networking preferences panel is used to configure HTTP-based networking:

- Direct Connection Options, Proxy Connection Options: Choose the HTTP version and options for direct and proxy connections.
  - Use HTTP 1.0: Choose this to use the original version of HTTP, standardized in 1996.
  - Use HTTP 1.1: Choose this to use the new version of HTTP, which offers performance enhancements, including more efficient use of HTTP connections, better support for client-side caching, multiple HTTP requests (pipelining), and more refined control over cache expiration and replacement policies.
  - Enable Keep-Alive: Select this to keep a connection open to make additional HTTP requests, increasing speed.
  - Enable Pipelining: Select this to enable pipelining, which allows for more than one HTTP request to be sent to the server at once, reducing delays loading web pages.
    Note: Pipelining is only available with HTTP 1.1.

## Advanced Preferences - Software Installation

This section describes how to use the Software Installation preferences panel. If you're not already viewing it, follow these steps:

1. Open the Edit menu and choose Preferences.
2. Under the Advanced category, click Software Installation. (If no subcategories are visible, double-click the category to expand the list.)

The Software Installation preferences panel is ussed to enable software installation and update notification:

- Enable software installation: Select this if you want Mozilla to prompt you when new software needs to be installed and used with Mozilla.
- Check for updates: Select this to be notified when new versions of Mozilla are available. Your personal information is not shared with Mozilla when verifying your version of Mozilla.
  - weekly: Choose this if you want Mozilla to check once a week to see if a new version of Mozilla is available.
  - monthly: Choose this if you want Mozilla to check once a month to see if a new version of Mozilla is available.

## Advanced Preferences - Mouse Wheel

This section describes how to use the Mouse Wheel preferences panel. If you're not already viewing it, follow these steps:

1. Open the Edit menu and choose Preferences.
2. Under the Advanced category, click Mouse Wheel. (If no subcategories are visible, double-click the category to expand the list.)

The Mouse Wheel preferences panel allows you to control how the mouse wheel on your mouse (in between your mouse buttons) is used in Mozilla:

- Modifier Key: Use the the drop-down list to choose a key that you want to use along with the mouse wheel to perform one of the following functions:
  - Scroll the document by: Choose this to scroll the document by the number of lines typed in the field.
    - Use system default: Choose this to override the number of lines entered and instead the system default setting.
  - Scroll a page up or a page down: Choose this to scroll up or down one page at a time. This settings allows faster, but less accurate scrolling through a page with your mouse wheel..
  - Move back and forward in the browsing history: Choose this to use the mouse wheel to navigate back or forward to previous pages you've visited.
  - Make the text larger or smaller: Choose this to use the mouse wheel to increase or decrease the size of text on a web page. This setting can help you better read a page, or make text fit on the screen.

  Note: Each modifier key can be assigned to a different function.

## Advanced Preferences - System

This section describes how to use the System preferences panel. If you're not already viewing it, follow these steps:

1. Open the Edit menu and choose Preferences.
2. Under the Advanced category, click System. (If no subcategories are visible, double-click the category to expand the list.)

Note: The System preferences panel appears only on Windows-based platforms.

The System preferences panel allows you to specify what files and protocols are opened using Mozilla:

- Windows should use Mozilla to open these file types: Select the file types that you want to open by default using Netscape (HTML, JPEG, GIF, PNG, XML, XUL).
- Windows should use Mozilla to handle these protocols: Select the protocols that you want to open by default using Mozilla (http, https, ftp, chrome, gopher).
- Alert me if other applications change these settings: Select this if you want Mozilla to alert you when other applications have changed your default Mozilla file and protocol settings.

6 March 2002