// JavaScript Document
var valNegFloat = /^\d+(\.\d+)?$/;　　//非负浮点数（正浮点数 + 0
var valUser = /^([a-zA-Z]+[_0-9a-zA-Z@.-]*){4,20}$/;  //用户名的正则
var valString = /^[a-zA-Z]\w*$/;  
var valEmail = /^(([\-\w]+)\.?)+@(([\-\w]+)\.?)+\.[a-zA-Z]{2,4}$/;  //email的正则

//设置变量
var noteAjaxNotFound="找不到页面时给出提示";
var noteAjaxLoading='';
//var noteAjaxLoading='<img src="images/dataloading.gif" alt="" align="absmiddle" />&nbsp;信息加载中....';
var noteUsernameError="用户名错误";
var notePasswordError="密码错误";
var noteTextAjaxBoard ="infos";