javascript事件(续)

格式化Event

var EventUtil = new Object;

Eventutil.formatEvent =function(oEvent){

    if(isIE && isWin) {

            oEvent.charCode = (oEvent.type == "keypress") ? oEvent.keyCode : 0;

            oEvent.eventPhase = 2;//代表冒泡阶段,仅IE支持这个阶段

            oEvent.isChar = (oEvent.charCode >0)

             oEvent.pageX = oEvent.clientX + document.body.scrollLeft;

             oEvent.pageY = oEvent.clientY + document.body.scrollTop;

             oEvent.preventDefault = function()   //阻止事件默认行为 {

                         this.returnValue = false;

                 }

            if(oEvent.type == "mouseout")  {

                       oEvent.relatedTarget = oEvent.toElement;

            }

           if(oEvent.type == "mouseover") {

                          oEvent.relatedTarget = oEvent.fromElement;

             }

             oEvent.stopPropagation() = function() //阻止冒泡  {

                         this.cancelBubble = true;

                 }

           oEvent.target = oEvent.srcElement;

            oEvent.time = (new Date()).getTime();

    }

  return oEvent;

};