<!------ OAS SETUP begin ------>
var QueryStringRaw = null;
function QueryString(fieldName){
      if(document.location.search != null)
      {
      	if (QueryStringRaw == null)
	{
		QueryStringRaw = document.location.search.toLowerCase( );
	}
           var typeQu = fieldName.toLowerCase( )+"=";
           var urlEnd = QueryStringRaw.indexOf(typeQu);
           if(urlEnd != -1)
           {
                var paramsUrl = QueryStringRaw.substring(urlEnd+typeQu.length);
                var isEnd =  paramsUrl.indexOf('&');
                if(isEnd != -1)
                {
                     return paramsUrl.substring(0, isEnd);
                }
                else
                {
                    return paramsUrl;
                }
           }
           else 
           return null;
      }
     else
     return null;
}


//configuration
OAS_url ='http://ads.morningstar.com/RealMedia/ads/';
OAS_listpos ='x21';
OAS_sitepage = 'www.morningstar.com/learn';

var colId = QueryString("colId");
switch(colId)
{
   case '76':
	OAS_query = 'classroom=FUNDS';
	break;
   case '138':
	OAS_query = 'classroom=PORTFOLIO';
	break;
   case '167':
	OAS_query = 'classroom=BONDS';
	break;
   case '397':
	OAS_query = 'classroom=STOCKS';
	break;	
   default: 
	OAS_query = '';
	break;
}

	
//end of configuration
OAS_rn = '001234567890'; OAS_rns = '1234567890';
OAS_rn = new String (Math.random()); OAS_rns = OAS_rn.substring (2, 11);

OAS_version = 11;
if ((navigator.userAgent.indexOf('Mozilla/3') != -1) || (navigator.userAgent.indexOf('Mozilla/4.0 WebTV') != -1))
{
	OAS_version = 10;
}
else
{
	document.write('<SCR'+ 'IPT LANGUAGE=JavaScript1.1 SRC="' + OAS_url + 'adstream_mjx.ads/' + OAS_sitepage + '/1' + OAS_rns + '@' + OAS_listpos + '?' + OAS_query + '"><\/SCRIPT>');
}

function OAS_NORMAL(pos) { 
 document.write('<A HREF="' + OAS_url + 'click_nx.ads/' + OAS_sitepage + '/1' + OAS_rns + '@' + OAS_listpos + '!' + pos + '?' + OAS_query + '" TARGET=_top>');
document.write('<IMG SRC="' + OAS_url + 'adstream_nx.ads/' + OAS_sitepage + '/1' + OAS_rns + '@' + OAS_listpos + '!' + pos + '?' + OAS_query + '" BORDER=0></A>');
}

function OAS_AD(pos) {
if (OAS_version >= 11)
  OAS_RICH(pos);
else
  OAS_NORMAL(pos);
}
<!------ OAS SETUP end ------>
