rem: throw Components.results.NS_ERROR_NO_CONTENT; 
add:   Components.returnCode = NS_ERROR_NO_CONTENT; 
context: function bc_open(observer, ctxt){    spawnChatZilla(this.URI.spec);    throw Components.results.NS_ERROR_NO_CONTENT;}
meta: 3298	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/3298/23fe8871f6819ae36198d213a425f91405639d6d/chatzilla-service.js/clean/js/lib/chatzilla-service.js