rem: this.transport.onreadystatechange = Function.empty; 
add: this.transport.onreadystatechange = $empty; 
context: 	cancel: function(){		if (!this.running) return this;		this.running = false;		this.transport.abort();		this.transport.onreadystatechange = Function.empty;		this.setTransport();		this.fireEvent('onCancel');		return this;	}
meta: 7826	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/7826/06922312396df156a34eea7232801f69ce9461b7/XHR.js/clean/Remote/XHR.js