Simple MP3 Player

I'm interested in providing some "audio" links on my pages both for some variety (in recognition of different learning styles), but also so that a few basic introductions can be done in audio so that visually impaired people can listen to descriptions of some features. [Note: I recognize that it would be useful if the flash had a floating tooltips sort of feature, like images, but I don't know how to do that. Feel free to add it to the code below if you know how to add "alt" equivalency to flash.].
add the following code to your actions directory as audio.php.
// audio.php was developed by GmBowen for a SSHRC research project from code provided to enact a swf file for playing audio
// which is posted at The swf file is available from
// USE: {{audio url="http://..." [title="title"]}} Title is optional, a url must be provided.
// the "-16" below is based on there being 16 characters in the suffix after the wikki root
// for example "wikiroot/wakka.php?wakka=" has 16 characters in "wakka.php?wakka="...if your site setup differs you must
// change the "-16" to whatever the character count is.

$site_base = $this->GetConfigValue("base_url");
$site_base = substr($site_base,0,-16);
$site_base = $site_base."flashtools/";
$player = $site_base."hbs_mp3_player.swf";

if (!($url)) {echo "<strong>You must provide the url, including http://, as an audio file source.  </strong>"; return;
    echo $title."&nbsp;";
if ($player)
  echo '<object data="hbs_mp3_player.swf" width="24" height="17" style="vertical-align: bottom;" type="application/x-shockwave-flash">
    <param name="type" value="application/x-shockwave-flash" />
    <param name="src" value="'
.$player.'" />
    <param name="data" value="'
.$player.'" />
    <param name="codebase" value="'
.$player.'" />
    <param name="FlashVars" value="TheSound='
.$url.'" />
       <param name="movie" value="'
.$player.'" />
    <param name="loop" value="false" />
       <param name="quality" value="high" />
    <param name="wmode" value="transparent" />
    <a href="'
// add the following line after the FlashVars line if you want to restrict urls to the server the flash file is found on
// <param name="allowScriptAccess" value="sameDomain" />
// in that case, relative urls are usable.

You also need the SWF file, called hbs_mp3_player.swf which is available here. This site also provides the fla file in this tutorial to allow further modification (I'm quite primitive in flash, so no hope of me doing any). I've installed this file in a directory called flashtools which is in my wiki root.

Using this code, if you typed in...
{{audio url="" title="Test Sound"}}
you'd see.....
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