A Sample Adsense Ads as shortcode for wordpress

sample_showads_functions.php

<?php
add_shortcode('showads468x60', 'ad_display'); 
function ad_display() {  
	return '<div>
			<script type="text/javascript"><!--
			google_ad_client = "ca-pub-3433716058123456";
			/* DigitCodes inPost 468x60 */
			google_ad_slot = "9644241234";
			google_ad_width = 468;
			google_ad_height = 60;
			//-->
			</script>
			<script type="text/javascript"
			src="http://pagead2.googlesyndication.com/pagead/show_ads.js">
			</script>
			</div>';  
}
?>