add: if ( oXmlHttp.responseXML == null || oXmlHttp.responseXML.firstChild == null) { alert( 'The server didn\'t send back a proper XML response.\r\n\r\n' + 'Requested URL: ' + urlToCall + '\r\n' + 'Response text:\r\n' + oXmlHttp.responseText ) ; return ; } 
context: 		oXmlHttp.onreadystatechange = function() 		{			if ( oXmlHttp.readyState == 4 )			{				oFCKXml.DOMDocument = oXmlHttp.responseXML ;				if ( oXmlHttp.status == 200 || oXmlHttp.status == 304 )					asyncFunctionPointer( oFCKXml ) ;				else					alert( 'XML request error: ' + oXmlHttp.statusText + ' (' + oXmlHttp.status + ')' ) ;			}		}
meta: 1235	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/1235/e3f23043ed288727da2247e5542491d451663929/fckxml.js/buggy/reference/library/src/webapp/editor/FCKeditor/editor/filemanager/browser/default/js/fckxml.js