javascript事件处理(续2)

EventUtil.getEvent = function(){

       if(window.event) {

               return this.formatEvent(window.event);

       }

       else {

                 return EventUtil.getEvent.caller.arguments[0]

        }

}

//调用

div.onclick = function(){

         var oEvent = EventUtil.getEvent();

}

//绑定事件

var EventUtil = new Object;

EventUtil.addEventHandler = function(oTarget, sEventType, fnHandler){

       if(oTarget.attachEvent) {

                oTarget.attachEvent("on" + sEventType, fnHandler);

         }

       else if(oTarget.addEventListener) {

                  oTarget.addEventListener(sEventType, fnHandler, false);

          }

        else{

                     oTarget["on"+sEventType] = fnHandler;

            }

}

//解绑定事件

EventUtil.removeEventHandler = function(oTarget, sEventType, fnHandler){

       if(oTarget.detachEvent) {

                oTarget.detacheEvent("on" + sEventType, fnHandler);

         }

       else if(oTarget.removeEventListener) {

                  oTarget.removeEventListener(sEventType, fnHandler, false);

          }

        else {

                     oTarget["on"+sEventType] = null;

            }

}