rem: _check: function () { if (this.fired != -1) { if (!this.silentlyCancelled) { throw new MochiKit.Async.AlreadyCalledError(this); } this.silentlyCancelled = false; return; } }, 
add: },_check:function(){ if(this.fired!=-1){ if(!this.silentlyCancelled){ throw new MochiKit.Async.AlreadyCalledError(this); } this.silentlyCancelled=false; return; } },callback:function(res){ 
context:     _check: function () {        if (this.fired != -1) {            if (!this.silentlyCancelled) {                throw new MochiKit.Async.AlreadyCalledError(this);            }            this.silentlyCancelled = false;            return;        }    },
meta: 8607	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/8607/ad067b3f5d648d6df90ec6fb2b79f0027612a307/MochiKit.js/buggy/trunk/lib/MochiKit.js