一个键盘操作js

//职位名称点击回车修改职位名称
function EventChangeJobNameEnter(event, obj){    
     var keyCode = event.keyCode?event.keyCode:event.which?event.which:event.charCode;
     if (keyCode ==13){
           // 此处处理回车动作
            var parm = "jobID="+obj.id.substr(7)+"&newJobName="+ escape(obj.value.replace('++','1234567890'));
            Ajax("post","../cp/AjaxCpBatchChangeCpJobName.asp",parm,ChangeNameCallBack,false)    
     }
}

<input type="text" style="width:270px;" name="JobName4719080" id="JobName4719080" value="店内营业员" onkeydown="return EventChangeJobNameEnter(event, this)">