var xmlString = "<root><FirstName>Gregory</FirstName><LastName>Movsesyan</LastName><Email>webmaster@softxml.com</Email></root>"; softXMLLib.loadXML(xmlString); if(softXMLLib.loadXMLError!=0){ alert("Invalid XML string!"); } else{ ajaxObj.open("POST","http://www.softxml.com/clientSoftXMLLib/testAjax.asp",true); ajaxObj.onreadystatechange=function() { if (ajaxObj.readyState==4) { alert(ajaxObj.responseText); } } ajaxObj.send(softXMLLib.DOM); }