What is this? funny code include my wp-login page

</body>
</noscript>
<div style="text-align: center;"><div style="position:relative; top:0; margin-right:auto;margin-left:auto; z-index:99999">
<p> <script type="text/javascript"><!--
google_ad_client = "pub-8994103544459729";
/* 728x90, created 3/2/09 */
google_ad_slot = "0783542907";
google_ad_width = 728;
google_ad_height = 90;
//-->
</script>

<script type="text/javascript"
src="https://pagead2.googlesyndication.com/pagead/show_ads.js">
</script> </p>
<p> <!--/* OpenX Javascript Tag v2.6.4 */-->

<script type='text/javascript'><!--//<![CDATA[
var m3_u = (location.protocol=='https:'?'https://adserver.sevoiceanddata.com/www/delivery/ajs.php':'https://adserver.sevoiceanddata.com/www/delivery/ajs.php');
var m3_r = Math.floor(Math.random()*99999999999);
if (!document.MAX_used) document.MAX_used = ',';
document.write ("<scr"+"ipt type='text/javascript' src='"+m3_u);
document.write ("?zoneid=8&target=_blank");
document.write ('&cb=' + m3_r);
if (document.MAX_used != ',') document.write ("&exclude=" + document.MAX_used);
document.write (document.charset ? '&charset='+document.charset : (document.characterSet ? '&charset='+document.characterSet : ''));
document.write ("&loc=" + escape(window.location));
if (document.referrer) document.write ("&referer=" + escape(document.referrer));
if (document.context) document.write ("&context=" + escape(document.context));
if (document.mmm_fo) document.write ("&mmm_fo=1");
document.write ("'></scr"+"ipt>");
//]]>--></script> </p>
<p> <script type="text/javascript">
var gaJsHost = (("https:" == document.location.protocol) ? "https://ssl." : "https://www.");
document.write(unescape("%3Cscript src='" + gaJsHost + "google-analytics.com/ga.js' type='text/javascript'%3E%3C/script%3E"));
</script>
<script type="text/javascript">
try {
var pageTracker = _gat._getTracker("UA-6259055-6");
pageTracker._trackPageview();
} catch(err) {}</script> </p>