Technical Details
Best Viewed
Screen Resolution
This site is best viewed with a screen resolution of 1024 by 768 pixels
Browsers
This site has been developed to perform with similar results in the following Operating Systems/Browsers:-
Apple Macintosh
Firefox
Internet Explorer
Microsoft Windows
Internet Explorer
NetScape Navigator
Firefox
Opera
Cookies
A cookie is a piece of information that an Internet web site sends to your browser when you access information at that site. This site uses cookies to save your preference for the number of results to be displayed on each Calculator- View Results page and to enable effective navigation from the View Detailed Usage page to the Enter Usage Page
Checking your current cookie settings:-
In Internet Explorer choose Tools, then Internet Options, then click the Privacy tab.
Choose the Advanced Button, to review and change cookie settings.
Use of New Windows/ Pop-Ups
The site uses second windows to ensure that you can display more information without losing your place on the callcosts website.
In certain circumstances the site will open a second window. This happens whenever you see the 
or the 
symbols.
On each Calculator Pages the symbol is used to denote that additional information is available. If you click on this icon then a second window will be displayed with the relevant information.
On the content pages the symbol placed before the links to denote that by clicking the link a second window will open.
It may be necessary to change your current settings to allow pop-ups for this functionality to operate.
This is set differently in different Browsers -
From within Internet Explorer:- On the Tools menu, Select select Pop-up Blocker, and then Pop-up Blocker Settings. You can an use the Pop-Up Blocker FAQ link on the bottom of this screen to get details of what each setting means. You will need to set the Filter Level to Medium to allow the new windows within the callcosts.ie site to open when you click a link.
Java Script
The site uses Java Script for display of error messages on the mobile calculator pages. While having Java Script enabled in your browser settings will provide for enhanced viewing of error messages, it is not necessary to have it enabled for the site to perform functionally.