Event.Publisher=Class.create();Object.extend(Event.Publisher,{_ls_event_targets:null,_event_source_id:null,_fl_trace_events:false,getEventSourceId:function(){if(typeof this._event_source_id=='function')
return this._event_source_id();else
return this._event_source_id;},getEventTarget:function(event_name){if(!this._ls_event_targets)
this._ls_event_targets=new Array();if(!this._ls_event_targets[event_name])
document.body.appendChild(this._ls_event_targets[event_name]=document.createElement('A'));return this._ls_event_targets[event_name];},addEventListener:function(event_name,callback_func,capturing){var targ=this.getEventTarget(event_name);Event.observe(targ,'click',callback_func,capturing);if(this._fl_trace_events){var data={publisher:this.getEventSourceId(),event_name:event_name,listener:callback_func,capturing:capturing,event_source_proxy:targ};this.dispatchEvent('eventListenerAdded',data,true,true);}},removeEventListener:function(event_name,callback_func,capturing){var targ=this.getEventTarget(event_name);Event.stopObserving(targ,'click',callback_func,capturing);if(this._fl_trace_events){var data={publisher:this.getEventSourceId(),event_name:event_name,listener:callback_func,capturing:capturing,event_source_proxy:targ};this.dispatchEvent('eventListenerRemoved',data,true,true);}},dispatchEvent:function(event_name,data,can_bubble,cancelable){var targ=this.getEventTarget(event_name);var event_data={event_name:event_name,event_target:this,data:data?data:null};if(!can_bubble)can_bubble=false;if(!cancelable)cancelable=false;var event=Event.create(event_data,can_bubble,cancelable,true,targ);if(this._fl_trace_events){if(event_name.match(/event(?:ListenerAdded|ListenerRemoved|Dispatched|Received)/))
return;var data={publisher:this.getEventSourceId(),event_name:event_name,event_data:event_data,can_bubble:can_bubble,cancelable:cancelable,event_source_proxy:targ,result:event};this.dispatchEvent('eventDispatched',data,true,true);}},toggleEventsTrace:function(){var trace=Event.Tracer.findTracer();if(!trace||!this._fl_trace_events){this._fl_trace_events=true;trace=Event.Tracer.startTrace();trace.registerPublisher(this);}
else{this._fl_trace_events=false;if(trace)
trace.unregisterPublisher(this);}
return this._fl_trace_events;},isEventsTraceActive:function(){return this._fl_trace_events;}});Event.Listener=Class.create();Object.extend(Event.Listener,{_listens:null,getEventHandlerName:function(event_name){var onEvent_name=event_name.split(/[ _]/).join('-').camelize();return"on"+onEvent_name.charAt(0).toUpperCase()+onEvent_name.substr(1);},listenForEvent:function(event_source,event_name,use_capture,onEvent_name){if(!onEvent_name)
onEvent_name=this.getEventHandlerName(event_name);if(!this._listens)this._listens=new Array();var eventHandler=this[onEvent_name];if(typeof(onEvent_name)=='function'){eventHandler=onEvent_name;}
var cb=eventHandler.bindAsEventListener(this);this._listens.push([event_source,event_name,use_capture,onEvent_name,cb]);event_source.addEventListener(event_name,cb,use_capture);},stopListeningForEvent:function(event_source,event_name,use_capture,onEvent_name){if(!this._listens)return false;if(!onEvent_name)
onEvent_name=this.getEventHandlerName(event_name);var ix_item=-1;var ls=this._listens.detect(function(val,ix){if((val[0]==event_source)&&(val[1]==event_name)&&(val[2]==use_capture)&&(val[3]==onEvent_name)){ix_item=ix;return true;}});if(ix_item>=0){this._listens.splice(ix_item,1);event_source.removeEventListener(event_name,ls[4],use_capture);return true;}
return false;}});Object.extend(Event,{create:function(event_data,can_bubble,cancelable,fl_dispatch,target){var event;if(document.createEvent){if(!can_bubble)can_bubble=false;if(!cancelable)cancelable=false;if(/Konqueror|Safari|KHTML/.test(navigator.userAgent)){event=document.createEvent('HTMLEvents');event.initEvent('click',can_bubble,cancelable);}
else{event=document.createEvent('MouseEvents');event.initMouseEvent("click",can_bubble,cancelable,window,0,0,0,0,0,false,false,false,false,0,null);}}
else{event=document.createEventObject();event.event_type='onclick';}
event.event_data=event_data;if(fl_dispatch)
Event.dispatch(target,event);return event;},dispatch:function(target,event){if(document.createEvent)
return target.dispatchEvent(event);else
return target.fireEvent((typeof(event.event_type)!="undefined")?event.event_type:'onclick',event);}});