var elem = xml.getElementsByTagName( "X-NSCP-WCAP-ERRNO" ); 
var elem = xml.getElementsByTagName("X-NSCP-WCAP-ERRNO"); 
function getWcapXmlErrno( xml ){    var elem = xml.getElementsByTagName( "X-NSCP-WCAP-ERRNO" );    if (elem) {        elem = elem.item(0);        if (elem)            return parseInt(elem.textContent);    }    // some commands just respond with an empty calendar, no errno. WTF.    throw new Components.Exception(        "No WCAP errno (missing X-NSCP-WCAP-ERRNO).",        Components.interfaces.calIWcapErrors.WCAP_NO_ERRNO );}
5872	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/5872/a8adf4992620da379274cea3395ed3099b6769d6/calWcapErrors.js/buggy/calendar/providers/wcap/calWcapErrors.js