rem: if (!data || data == "") throw Components.interfaces.calIWcapErrors.WCAP_LOGIN_FAILED; 
add: if (!data || data == "") { throw new Components.Exception( "Login failed. Invalid session ID.", Components.interfaces.calIWcapErrors.WCAP_LOGIN_FAILED ); } 
context: function stringToXml( data ){    if (!data || data == "") // assuming time-out        throw Components.interfaces.calIWcapErrors.WCAP_LOGIN_FAILED;    var xml = getDomParser().parseFromString( data, "text/xml" );    checkWcapXmlErrno( xml );    return xml;}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/88a347723b7a4696ebc1ec2a320d6f1fe7ff1a0b/calWcapRequest.js/clean/calendar/providers/wcap/calWcapRequest.js