js 事件傳遞參數

 attachEvt:function(target, eventName, handler, argsObject)  {  var eventHandler = handler;  if(argsObject)  {  eventHander = function(e)  {  handler.call(argsObject, e);  }  }  if(window.attachEvent)//IE  target.attachEvent("on" + eventName, eventHander );  else//FF  target.addEventListener(eventName, eventHander, false);  }
attachEvt(img,"click",this.fun,param);