rem: if (errorHandler != null); 
add: if (errorHandler != null) 
context: function dwrHandleError(reason){    iframe.parentNode.removeChild(iframe);    iframe = null;    if (postHook != null)    {        postHook();    }    if (errorHandler != null);    {        errorHandler(reason);    }}
meta: 266	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/266/82db74e19b4b79c161e1122a705a61d7cabf76e3/engine.js/buggy/java/uk/ltd/getahead/dwr/engine.js