pdf embed snippet

<?php

/***************************************************************
* modxpdf
* setup:
*	download zviewer from
*	http://wordpress.org/extend/plugins/wordpresspdf/
*	view instructions and demo, if needed
*	copy contents of wordpresspdf to assets/snippets/modxpdf
*	or any folder you want (don't forget to change $playerbase)
*
* usage: 
* default:
* [[modxpdf]]
*	embeds swf with current document id from default location
* [[modxpdf? &filename=`filename.swf`]]
*	embeds swf by filename
* [[modxpdf? &docid=`id`]]
*	embeds swf with provided document id from default location
**************************************************************/

$playerbase='assets/snippets/modxpdf/zviewer';
$playerf=$playerbase."/zviewer.swf";

if (!$width || !$height){
	$width='100%'; // full container width
	$height='600';
}

if ($docid) {
    $doc_url='assets/flash/'.$docid.'.swf';
}elseif ($filename) {
    $doc_url=$filename;
	$docid=$filename;
}else {
    $docid = $modx->documentIdentifier;
    $doc_url='assets/flash/'.$docid.'.swf';
}
$zviewer_id=$docid;
if (!file_exists($doc_url)) {
    return;
}

$zviewer_id = 'wp_pdf_zviewer_' . $zviewer_id;

$output.="<script type='text/javascript' src='".$playerbase."/swfobject/swfobject.js'></script>
<script type='text/javascript'>
var flashvars = {
	doc_url: '".$doc_url."'
};
var params = {
	menu: 'false',
	bgcolor: '#efefef',
	allowFullScreen: 'true'
};
var attributes = {
	id: '".$zviewer_id."'
};

swfobject.embedSWF('".$playerf."?r=11', '".$zviewer_id."', '".$width."', '".$height."', '9.0.45','swfobject/expressinstall.swf', flashvars, params, attributes);
</script>

<div id='".$zviewer_id."'>
	<p align='center' class='style1'>In order to view this page you need Flash Player 9+ support!</p>
	<p align='center'>
	<a href='http://www.adobe.com/go/getflashplayer'>
	<img src='http://www.adobe.com/images/shared/download_buttons/get_flash_player.gif' alt='Get Adobe Flash player' /></a>
	</p>
</div>";

//	wpZviewer end

return  $output;


?>