Serialize XML to String for IE, Firefox, Chrome

serializeXmlToString.js

// from https://gist.github.com/raw/554178/601c25f8ed6e84715dc36804efad915b4a62956d/XMLSerializer.js
var xmlString = '';
try {
    // this works for Firefox, Chrome, Safari
    xmlString = new XMLSerializer().serializeToString( clickResult );
} catch (e) {
    // this works for IE6+
    xmlString = clickResult.xml;
}
alert(xmlString);