JavaScript reads XML file

  Core part <%@ page language= "Java"  import= "java.util.*"  pageencoding= "GBK"%> < script language= "JavaScript" >     //create DOM objects     function  CreateDocument ()  {        var aversions = ["MSXML2 . domdocument.5.0 ",                           "MSXML2. domdocument.4.0 ",                           "MSXML2. domdocument.3.0 ",                           "MSXML2. DOMDocument ",                          "Microsoft.XMLDOM"                          ];           for  (var i = 0; i  < aversions.length; i++)  {              try {                  var oxmldom = new activexobject (Aversions[i]);                  return  oXmlDom;              } catch  (Oerror)   {          }          }         throw new error ("MSxml is not installed. "); &NBSP;&NBSP;&NBSP;&NBSP} function init ()  {    var oXmlDom =  CreateDocument ();     oXmlDom.async = true;     oXmlDom.onreadystatechange = function  ()  {         if  (oxmldom.readystate == 4)  {                 if  (oxmldom.parseerror.errorcode ==  0)  {                     parsebookinfo (Oxmldom);                 }else{                      var str =  "an error occurred!! /n " +                       "description: "  + oXmlDom.parseError.reason +  "/n"  +                       " file:  " + oXmlDom.parseError.url + "/n " +                       "line: "  +  oxmldom.parseerror.line +  "/n"  +                       "line position: "  +  oxmldom.parseerror.linepos +  "/n"  +                       "source code: "  +  OXmlDom.parseError.srcText;   &nbSp;                 alert (str);                 }                     }      };     oxmldom.load ("books.xml"); }        //Document Parsing     function parsebookinfo (OXMLDOM)  {        var oRoot = oXmlDom.documentElement;         var ofragment = document.createdocumentfragment ();         var abooks = oroot.getelementsbytagname ("book") ;         //traversal generates each information         for   (Var i = 0; i < abooks.length; i++)  {             var sisbn = abooks[i].getattribute ("ISBN");             var sAuthor, sTitle,  Spublisher;             var oCurrentChild =  Abooks[i].firstchild;             do {                 switch  (Ocurrentchild.tagname)  {                     case  "title":stitle = ocurrentchild.text;            break;                     case  "Author":sauthor = ocurrentchild.text;          break;                      case  Publisher:spublisher = ocurrentchild.text;   break;                      default: break;                 }              }while (ocurrentchildocurrentchild =  ocurrentchild.nextsibling);                           //---------------Generate display page--------------             //generates each XML elementThe basic container             var divcontainer =  document.createelement ("div");             var imgBookCover =  Document.createelement ("img");             var divContent =  Document.createelement ("div");             var sOdd =  (i %  2)? "": "-odd";             divContainer.className =  " Bookcontainer " + sOdd;                           //Cover Information              imgBookCover.src =  "images/"  + sIsbn +  ". jpg";             imgbookcover.classname =  "BookCover";             divcontainer.appendchild (ImgBookCover) ;             //title              var h3title = document.createelement ("H3");             h3title.appendchild ( document.createTextNode (Stitle));             divcontent.appendchild (H3Title);             //author              divcontent.appendchild (document.createTextNode ("Written by:   " + sauthor));             divcontent.appendchild (DocumeNt.createelement ("BR"));             divcontent.appendchild ( document.createTextNode ("isbn: #" &NBSP;+&NBSP;SISBN));             //Publishing House              var divpublisher = document.createelement ("div");             divPublisher.className =  " Bookpublisher ";             divpublisher.appendchild ( document.createTextNode ("published by: "  + spublisher));             divcontent.appendchild (DivPublisher);             //Assembly              divContent.className =  "Bookcontent";            divcontainer.appendchild (divContent);             ofragment.appendchild (DivContainer);                           document.body.appendchild (ofragment); &NBSP;&NBSP;&NBSP;&NBSP}} </script>           <! doctype html public  "-//w3c//dtd xhtml 1.1//en " Http://www.w3.org/TR/xhtml11/DTD /xhtml11.dtd ">