var EventUtil=new Object();EventUtil.addEventHandler=function(oTarget,sEventType,fnHandler){if(oTarget.addEventListener){oTarget.addEventListener(sEventType,fnHandler,false);}else if(oTarget.attachEvent){oTarget.attachEvent("on"+sEventType,fnHandler);}else{oTarget["on"+sEventType]=fnHandler;}};EventUtil.removeEventHandler=function(oTarget,sEventType,fnHandler){if(oTarget.removeEventListener){oTarget.removeEventListener(sEventType,fnHandler,false);}else if(oTarget.detachEvent){oTarget.detachEvent("on"+sEventType,fnHandler);}else{oTarget["on"+sEventType]=null;}};EventUtil.formatEvent=function(oEvent){var sUserAgent=navigator.userAgent;var isOpera=sUserAgent.indexOf("Opera")>-1;var isIE=sUserAgent.indexOf("compatible")>-1&&sUserAgent.indexOf("MSIE")>-1&&!isOpera;var isWin=(navigator.platform=="Win32")||(navigator.platform=="Windows");if(isIE&&isWin&&oEvent){oEvent.charCode=(oEvent.type=="keypress")?oEvent.keyCode:0;oEvent.eventPhase=2;oEvent.isChar=(oEvent.charCode>0);var scrollLeft=document.documentElement.scrollLeft||document.body.scrollLeft;oEvent.pageX=oEvent.clientX+scrollLeft;var scrollTop=document.documentElement.scrollTop||document.body.scrollTop;oEvent.pageY=oEvent.clientY+scrollTop;oEvent.preventDefault=function(){this.returnValue=false;};if(oEvent.type=="mouseout"){oEvent.relatedTarget=oEvent.toElement;}else if(oEvent.type=="mouseover"){oEvent.relatedTarget=oEvent.fromElement;};oEvent.stopPropagation=function(){this.cancelBubble=true;};oEvent.target=oEvent.srcElement;oEvent.time=(new Date).getTime();};return oEvent;};EventUtil.getEvent=function(){if(window.event){return this.formatEvent(window.event);}else{return EventUtil.getEvent.caller.arguments[0]||EventUtil.getEvent.caller.caller.arguments[0];}};