<?php 
     $request = Mage::app()->getFrontController()->getRequest();
     $module = $request->getModuleName();
     $controller = $request->getControllerName();
     $action = $request->getActionName();

     $enable = $this->getEnable();
     $custom = $this->getCustom();
     if (!$enable) {
         return;
     }
     if($module == 'checkout' && ($controller == 'onepage' || $controller == 'multishipping') && $action == 'success'){
         return;
     }
     if($custom && ($controller == 'product' && $action == 'view')){
        return;
     } 
     
     $id = $this->getPixelId();
?>
<!-- Facebook Pixel Code -->
<script>
!function(f,b,e,v,n,t,s){if(f.fbq)return;n=f.fbq=function(){n.callMethod?
n.callMethod.apply(n,arguments):n.queue.push(arguments)};if(!f._fbq)f._fbq=n;
n.push=n;n.loaded=!0;n.version='2.0';n.queue=[];t=b.createElement(e);t.async=!0;
t.src=v;s=b.getElementsByTagName(e)[0];s.parentNode.insertBefore(t,s)}(window,
document,'script','//connect.facebook.net/en_US/fbevents.js');
// Insert Your Facebook Pixel ID below. 
fbq('init', '<?php echo $id ?>');
fbq('track', 'PageView');
</script>
<!-- Insert Your Facebook Pixel ID below. --> 
<noscript><img height="1" width="1" style="display:none"
src="https://www.facebook.com/tr?id=<?php echo $id ?>&ev=PageView&noscript=1"
/></noscript>
<!-- End Facebook Pixel Code -->
<script>
	fbq('track', 'ViewContent');
</script>
