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Piazza Santa Barbara, 7

20097 San Donato Milanese (MI) Italy

Switchboard: +39 02.3703.1

Fax: +39 02.3703.9227

E-mail: relazioni.esterne@snam.it

Accessibility

"The Web's strength lies in its universality. It can be accessed by anyone no matter what disability he or she may have and this is an essential aspect".

Tim Berners-Lee, Director of W3C

 

The aim of the Snam Rete Gas site is to provide a tool for all users.

Below is a description of the functions that facilitate access to the Web for the blind, people with impaired vision or other sensory problems.




 

Using the accessibility functions

Note: these indications for improving access to the Web pages are applicable to every site you visit; the indications will not affect pictures in any way.

Instructions for changing the character fonts and the background colours of a Web page with Internet Explorer.

To set the character fonts and colours to be used on Web pages:


 

* Choose Internet Options from the Tools menu of Internet Explorer;

* On the General sheet, click on the Accessibility button;

* Change the settings as desired.





To change the colours of Web pages:

* Choose Internet Options from the Tools menu of Internet Explorer;

* On the General sheet, click on Colors;

* Change the settings as desired.





To view the text of a Web page with a different font

* Choose Internet Options from the Tools menu of Internet Explorer;

* On the General sheet, click on Fonts;

* Click on the desired font on the Web page font and Normal text only font lists.





Keyboard access with Internet Explorer

In Internet Explorer you can explore the Web using the keyboard only.

Simply press TAB and Shift + TAB to move from one item to another on the screen, for example:

* Text or image links;

* Critical areas on image maps;

* Address bar;

* Menu bar;

* Link bar;

* Frame.





Personalize the tool bar with Internet Explorer


 

You can personalize the tool bar by adding or removing buttons, using large or small icons and showing or hiding their labels.

Click on Tool bars on the View menu and choose Personalize.

If you have impaired vision, you can add the Size button so that you can change the size of text at a click.

If you use a screen reader utility, we recommend you select Small Icons from the Icon Options list and No text label from the Text options list to increase the space on the screen available for the contents of the Web page.

Advanced accessibility options in Internet Explorer

* Choose Internet Options from the Tools menu of Internet Explorer and then click on the Advanced tab.


 

* Change the following settings as desired:


 

Move system cursor with the activation/selection changes.


If you use a screen reader utility, this check box should be ticked. Some utilities for reading or enlarging the screen use the system cursor to determine the area of the screen to be read or enlarged.



Always expand alternative text for images.


Tick this check box if you prefer to view the alternative descriptive text (text with ALT tag) instead of viewing the images themselves. In this case, the Show images check box is disabled. In this way, the text will not be cut off even if it occupies more space than the area of the image.


 

Use Continuous scroll and Enable page transitions.


If you use a utility for enlarging or reading the screen, we recommend you disable the corresponding check boxes. If you use a voice recognition program, recognition errors may occur during continuous scrolling and transitions. If this happens, we recommend you disable these check boxes.


 

Show images, Start animations and Play video.


In caso di disturbi della vista, è possibile deselezionare queste caselle di controllo per migliorare la visione. Se si è disturbati agli effetti di intermittenza prodotti dallo schermo, è consigliabile deselezionare queste caselle di controllo.


 

Play sounds.


If the user has learning difficulties, this check box should be disabled to avoid distracting him/her. Blind users should enable this check box or download specific sounds so as to avoid interfering with the screen reader utility reading the text out loud.


 

Print colors and images in background.


If you have impaired vision, you can disable this check box to make the printed text easier to read.


 



Main Internet Explorer keyboard commands

You can use shortcut keys to view and explore Web pages and look at the print preview before proceeding to print them, use the address bar, work with Favorites and make changes.

The main keyboard commands for Internet Explorer are listed below:


 

* TAB, to move forwards through the objects on a Web page, the address bar and the link bar;

* Shift + TAB, to move back through the objects on a Web page, the address bar and the link bar;

* Alt + HOME, to view the home page;

* Alt + RIGHT ARROW, to move on to the next page;

* Alt + LEFT ARROW or BACKSPACE, to move back to the previous page;

* Shift + F10, to view a shortcut menu for a link;

* Control + TAB or F6, to move forwards through the frames;

* Shift + Control + TAB, to move back through the previous frames;

* ARROW UP, to scroll back through the documents;

* ARROW DOWN, to scroll forwards through the documents;

* HOME, to move to the start of a document;

* END, to move to the end of a document;

* Control + F, to find a string of text on the page;

* F5 or Control + R, To refresh the current Web page;

* ESC, to stop downloading a page;

* Control + O or Control + L, to move to a new position;

* Control + N, to open a new window;

* Control + W, to close the current window;

* Control + S, to save the current page.

* Control + Shift + F12, to print the current page or the active frame, (in Internet Explorer version 5);

* Control + P, to print the current page or active frame, (in Internet Explorer version 6);

* ENTER, to activate a selected link;

* Control + E, to open the Search bar;

* Control + I, to open the Favorites bar.

* Control + D, to add the current page to the Favorites list;

* Control + B, to view the Organize Favorites dialog box;

* Control + H, to open the History bar;

* F1, to open the Internet Explorer On-line help;





Instructions for changing the character fonts and background colours of a Web page with Mozilla Firefox 1.x and later versions.

Changing the default fonts in Mozilla Firefox.

Web pages are normally shown in the browser's default font or in a font chosen by the author of the page.

In Mozilla Firefox you can change the default fonts as follows:

1. Open the Tools menu and choose Options (in Mac OS open the Firefox menu and choose Preferences);

2. Open the Contents category;

3. Choose the desired settings using the "Advanced" button if you are an expert user.






 

Many Web page authors choose the character font and font size to be used on the pages they create themselves. To ignore the author's settings, select "Override author's fonts with user-defined fonts".

Changing the default colours in Mozilla Firefox.

* Open the Tools menu and choose Options (in Mac OS open the Firefox menu and choose Preferences);

* Open the Contents category;

* Choose Colors;

* Click on the coloured blocks beside "Text", "Background", "Unvisited links " and "Visited links ". Choose the desired colour for each item. You can also specify whether links are to be underlined or not.






 

You can also choose to ignore the specific colour and background settings made by the Web page authors, by ticking the "Override author's colors with user-defined colors " box.


 

For further options and suggestions, see the Help menu of your browser.

Page Alert last update
29 December 2011 - 22:29 CET