<?php
$wgExtensionCredits['parserhook'][] = array(
        'name' => 'AmazonAssociatesHTML',
        'description' => 'Place amazon ads anywhere in your wiki',
        'author' => 'Marc Hoover',
        'url' => 'http://www.celeb-wiki.com'
);

$wgHooks['ParserFirstCallInit'][] = 'AmazonAdsSetup';

function AmazonAdsSetup( &$parser ) {
	$parser->setHook( 'amazonAd', 'AmazonRender' );
       return true;
}


function AmazonRender($input, $args ) {
$input ="";
$url = array();
$placement = $args['placement'];
$linkId = $args['linkId'];

$amazon['showad']  = '<nowiki><iframe style="width:120px;height:240px;" marginwidth="0" marginheight="0" scrolling="no" frameborder="0" src="//ws-na.amazon-adsystem.com/widgets/q?ServiceVersion=20070822&amp;OneJS=1&amp;Operation=GetAdHtml&amp;MarketPlace=US&amp;source=ac&amp;ref=tf_til&amp;ad_type=product_link&amp;tracking_id=grnlignmet-20&amp;marketplace=amazon&amp;region=US&amp;placement='. $placement .'asins='. $placement .'&amp;linkId='. $linkId .'&amp;show_border=true&amp;link_opens_in_new_window=true">'."\n";
$amazon['showad'] .= '</iframe></nowiki>'."\n";


return $amazon['showad'];
}