The fancysearch plugin provides a dropdown list for common namespaces enhancing the search input.

This (German) screencast shows the plugin in action:

• Video: Inhaltsverzeichnis, Suche und Kontext-Menus

Download and install the plugin using the Plugin Manager using the following URL:

• Unstable development version from the git repository (tgz)

Refer to Plugins on how to install plugins manually.

The fancysearch plugin needs the jQuery plugin.

After installation, you have to do much integration work. A first step is to include the fancysearch form in your template:

<?php
    $namespaces = array('nsid' => array('txt' => 'nscaption', 'img' => 'imglink'));
    $fancysearch = plugin_load('action', 'fancysearch');
    if (!is_null($fancysearch)) {
        $fancysearch->tpl_searchform($namespaces, 'allpagesimg');
    } else {
        tpl_searchform();
    }
?>&nbsp;

You will need much CSS styling as well.