rem: function bc_open() 
add: function bc_open(observer, ctxt) 
context: function bc_open(){    throw Components.results.NS_ERROR_NOT_IMPLEMENTED;}
meta: 1567	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/1567/eacc0776dcd1a629339b0cc00e41cb88f70cb175/chatzilla-service.js/clean/js/lib/chatzilla-service.js