var xmlDoc = new ActiveXObject("Microsoft.XMLDOM")

xmlDoc.async="false";

xmlDoc.validateOnParse="true";

/**********************/

xmlDoc.load("book.xml");

/**********************/

document.write("<br>Error Code: ");

document.write(xmlDoc.parseError.errorCode);

document.write("<br>Error Reason: ");

document.write(xmlDoc.parseError.reason);

document.write("<br>Error Line: ");

document.write(xmlDoc.parseError.line);