public function addScript ($src, $prepend = false)
		{
			if ($prepend) {
				array_unshift($this->scriptUrls, $src);
			} else {
				$this->scriptUrls[] = $src;
			}

			$html = '<script type="text/javascript" src="' . $this->sanitize($src) . '"></script>';

			$this->addHeader($html, $prepend);
		}