rem: return function(str) { _alert(str); kappa(0); } 
add: throw new ContinuationNonException(function () { f(a,k) }); 
context:   return function(str) {    _alert(str);    kappa(0);  }
meta: 3248	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/3248/91439e474cab7aa6ff3ef0d042217fabe1860db6/jslib.js/buggy/lib/js/jslib.js