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Figure 6-3

That was quite a bit of code, but this is a useful technique! Once your popup library is in place, it

becomes really easy to make the navigation link show up whenever it is needed. Here you use the

simulated popup window method, but you could have also used a regular JavaScript popup with

the same results.

In order to add the navigational link to any popup, there are only two steps you need to take. First,

you need to include the

popup_utils.inc.php

script in your popup script. This is what you did in

popup.php

:

<?php

// load the popup utils library

require_once ‘include/popup_utils.inc.php’;

?>

Then, you need to call the

display_popup_navigation()

function that’s defined in

popup_

-

utils.inc.php

, in the place where you want the navigational link included:

<?php

// display popup navigation only when visitor comes from a SERP

display_popup_navigation();

?>

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Chapter 6: SE-Friendly HTML and JavaScript

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