public function renderJs($position=self::ON_HEAD)
	{
		$result = "";
		$js = $this->getJs($position);
		if(!empty($js))
		array_walk($js, function($value) use (&$result){
			$result .= '<script src="'.$value.'" type="text/javascript"></script>';
		});
		$custom = $this->getCustomJs($position);
		if(!empty($custom))
		{
			$customJs = '<script type="text/javascript" id="silex-assets-service-js-'.substr(md5(time()),0,5).'">';
			if($custom !== array())
				array_walk($custom, function($value) use (&$customJs){
					$customJs .= $value."\n";
				});
			$customJs .= "</script>";
			$result .= $customJs;
		}
		return $result;
	}