var isbn = null;
  var http = null;
     
  function mousebox(isbn)
  {            
              if (window.ActiveXObject)
              {
                  http = new ActiveXObject("Microsoft.XMLHTTP");
              }
              else if (window.XMLHttpRequest)
              {
                  http = new XMLHttpRequest();
              }
              http.open("GET", "Catalogue.xml", false);
              http.send(null);
              var xml = http.responseXML;
         
              //Load XSL
              
              
              if (window.ActiveXObject)
              {
              var xsl = new ActiveXObject("MSXML2.FreeThreadedDomDocument.3.0");
              xsl.async = false
              xsl.load("Catalogue.xsl")
              
              var template = new ActiveXObject("MSXML2.XSLTemplate")
              template.stylesheet = xsl
              processor = template.createProcessor()
  
              processor.input = xml
              processor.addParameter("ISBN", isbn)
              processor.transform()
              
               //Transform
              return processor.output;
  }
  else
  { 
                
                  var xsltProcessor = new XSLTProcessor();
             
                //Load XSL
                http = new XMLHttpRequest();
                http.open("GET", "Catalogue.xsl", false);
                http.send(null);
    
                xslStylesheet = http.responseXML;
                
                xsltProcessor.importStylesheet(xslStylesheet);              
                xsltProcessor.setParameter(null, "ISBN", isbn);
                
                //Transform
                var fragment = xsltProcessor.transformToFragment(xml, document);
                return new XMLSerializer().serializeToString(fragment);
  
  }
            
  }