Coding a lightbox in a plug in

[leefish]

I am trying to make a template in a plug in that will cause a lightbox to open when the resulting inserted image is clicked on:

PHP Code:

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{ $text = $this->html($text); if($link != '') { return "<div class=\"wikiimage\"><a href=\"{$link}\" rel=\"lightbox\"><img src=\"{$url}\" alt=\"{$text}\" /></a><br />{$text}</div>\n"; } else { return "<div class=\"wikiimage\"><img src=\"{$url}\" alt=\"{$text}\" /><br />{$text}</div>\n"; } }

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however, this is not working for me. When I inspect element using firebug then I get this:

Code:

<a rel="lightbox" href="http://www.leefish.nl/mybb/wiki.php?file/how-to-make-ambtattoos/ambtattoo-tut-1.jpg"><img alt="" src="http://www.leefish.nl/mybb/wiki.php?file/how-to-make-ambtattoos/ambtattoo-tut-1.jpg"></a>

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It should be

Code:

<a href="http://www.leefish.nl/mybb/wiki.php?file/how-to-make-ambtattoos/ambtattoo-tut-1.jpg" rel="lightbox" ><img alt="" src="http://www.leefish.nl/mybb/wiki.php?file/how-to-make-ambtattoos/ambtattoo-tut-1.jpg"></a>

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How should I order the input in the php to make the lightbox code show correctly? At the moment when I click on the image it just opens in a new window, rather than in a lightbox.