How to insert external displaying code into a site

You received displaying code of a banner from an agency. It looks like this one:

<!-- Externí kód, ID plánu=130455, Pozice: go.bb007.bbelements.com IBB(10127) / All(1) / 745x100(1) / leaderboard(3) -->
<script type='text/javascript' charset='utf-8'>
/* <![CDATA[ */
var bbs=screen,bbn=navigator,bbh;bbh='&ubl='+1*bbn.browserLanguage+'&ucc='+1*bbn.cpuClass+'&ucd='+1*bbs.colorDepth+'&udx='+1*bbs.deviceXDPI+'&udy='+1*bbs.deviceYDPI+'&usl='+1*bbn.systemLanguage+'&uje='+1*bbn.javaEnabled()+'&uah='+1*bbs.availHeight+'&uaw='+1*bbs.availWidth+'&ubd='+1*bbs.bufferDepth+'&uhe='+1*bbs.height+'&ulx='+1*bbs.logicalXDPI+'&uly='+1*bbs.logicalYDPI+'&use='+1*bbs.fontSmoothingEnabled+'&uto='+(new Date()).getTimezoneOffset()+'&uui='+1*bbs.updateInterval+'&uul='+1*bbn.userLanguage+'&uwi='+1*bbs.width;
if(typeof(bburlparam)=='string') { bbh+='&'+bburlparam; }
if(typeof(bbkeywords)=='string') { bbh+='&keywords='+escape(bbkeywords); }
document.write("<scr"+"ipt type='text/javascript' charset='utf-8' src='http://go.bb007.bbelements.com/please/showit/10127/1/1/3/?typkodu=js&_idplan=130455"+bbh+"&bust="+Math.random()+"&target=_blank'><"+"\/scr"+"ipt>");
/* ]]> */
</script>
<noscript>
<a href="http://go.bb007.bbelements.com/please/redirect/10127/1/1/3/" target="_blank"><img src="http://go.bb007.bbelements.com/please/showit/10127/1/1/3/?typkodu=img&_idplan=130455" border='0' alt='' /></a>
</noscript>

Insert this code into your web pages to the place, where the advertising should display. If you use BB AdServer for administration of advertisement space, follow these steps: How to insert displaying code from BB AdServer into BB AdServer. In case of other ad site using, please contact appropriate customer support.