I'm trying to use the cross domain iframe height example here:  http://css-tricks.com/cross-domain-iframe-resizing/

I can't get my XSLT to save without error.  Right now, I get "An error occurred while parsing EntityName. Line 45, position 61."

My XSLT is below:

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE xsl:stylesheet [ <!ENTITY nbsp "&#x00A0;"> ]>
<xsl:stylesheet
  version="1.0"
  xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
  xmlns:msxml="urn:schemas-microsoft-com:xslt"
  xmlns:umbraco.library="urn:umbraco.library" xmlns:Exslt.ExsltCommon="urn:Exslt.ExsltCommon" xmlns:Exslt.ExsltDatesAndTimes="urn:Exslt.ExsltDatesAndTimes" xmlns:Exslt.ExsltMath="urn:Exslt.ExsltMath" xmlns:Exslt.ExsltRegularExpressions="urn:Exslt.ExsltRegularExpressions" xmlns:Exslt.ExsltStrings="urn:Exslt.ExsltStrings" xmlns:Exslt.ExsltSets="urn:Exslt.ExsltSets"
  exclude-result-prefixes="msxml  umbraco.library Exslt.ExsltCommon Exslt.ExsltDatesAndTimes  Exslt.ExsltMath Exslt.ExsltRegularExpressions Exslt.ExsltStrings  Exslt.ExsltSets ">

<xsl:output method="html" omit-xml-declaration="yes"/>

<xsl:param name="currentPage"/>
<xsl:param name="iframeSource" select="/macro/source" />
<xsl:param name="iframeName" select="/macro/name" />
<xsl:param name="qryString" select="umbraco.library:RequestServerVariables('QUERY_STRING')" />

<xsl:template match="/">
  <script type="text/javascript">
    function resizeFrame(f) {
      var size;
    // size = f.contentWindow.document.body.scrollHeight + 10;
    //  f.style.height = size + "px";
    }

  
    $(function(){

      // Keep track of the iframe height.
      var if_height,

      // Pass the parent page URL into the Iframe in a meaningful way (this URL could be
      // passed via query string or hard coded into the child page, it depends on your needs).
      src = 'http://{umbraco.library:Replace(umbraco.library:RequestServerVariables("SERVER_NAME"),".azbar.",".myazbar.")}/{$iframeSource}?{$qryString}#' + encodeURIComponent(document.location.href),
    
      // Append the Iframe into the DOM.
      iframe = $('<iframe src="' + src + '" width="100%" height="600" frameborder="0" scrolling="no" allowtransparency="yes" marginheight="0" marginwidth="0"></iframe>')
        .appendTo('#iframe');
  
      // Setup a callback to handle the dispatched MessageEvent event. In cases where
      // window.postMessage is supported, the passed event will have .data, .origin and
      // .source properties. Otherwise, this will only have the .data property.
      $.receiveMessage(function(e){
    
        // Get the height from the passsed data.
        var h = Number(e.data.replace(/.*if_height=(\d+)(?:&|$)/,'$1'));
    
        if ( !isNaN( h ) && h > 0 && h !== if_height ) {
          // Height has changed, update the iframe.
          iframe.height( if_height = h );
        }
    
      // An optional origin URL (Ignored where window.postMessage is unsupported).
      }, 'http://www.azbar.dev' );
  
      });
  
    });
  </script>
 
</xsl:template>

</xsl:stylesheet>