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var CustomEvent = { events:{}, dispatchEvent:function(ev,data){ if(this.events[ev]){ var handlers=this.events[ev]; for(var i=0,l=handlers.length;i<l;++i){ try{ handlers[i](data); } catch(e){ } } } }, addEventListener:function(ev,handler){ if(!this.events[ev]){ this.events[ev]=[handler]; } else{ this.events[ev].push(handler); } }, removeEventListener:function(ev,handler){ if(this.events[ev]){ var handlers=this.events[ev]; for(var i=0,l=handlers.length;i<l;++i){ if(handlers[i]==handler){ handlers.splice(i); break; } } } } |