String.prototype.trim=function() {return this.replace(/(^\s*)|(\s*$)/g,"");}
String.prototype.ltrim=function() {return this.replace(/(^\s*)/g,"");}
String.prototype.rtrim=function() {return this.replace(/(\s*$)/g,"");}
String.prototype.isInteger=function() {return /^(-|\+)?\d+$/.test(this);}
String.prototype.isPositiveInteger=function() {return /^\d+$/.test(this);}
String.prototype.isNegativeInteger=function() {return /^-\d+$/.test(this);}
//   date (13:04:06)
String.prototype.isTime=function() {
	var a = this.match(/^(\d{1,2})(:)?(\d{1,2})\2(\d{1,2})$/);
	if (a == null) return false;
	if (a[1]>24 || a[3]>60 || a[4]>60) return false;
	return true;
}
//   short date (13:04)
String.prototype.isShortTime=function() {
	var a = this.match(/^(\d{1,2})(:)?(\d{1,2})$/);
	if (a == null) return false;
	if (a[1]>24 || a[3]>60) return false;
	return true;
}
//   date (2003-12-05)
String.prototype.isDate=function() {
         var r = this.match(/^(\d{1,4})(-|\/)(\d{1,2})\2(\d{1,2})$/);
         if(r==null)return false;
         var d= new Date(r[1], r[3]-1, r[4]);
         return (d.getFullYear()==r[1]&&(d.getMonth()+1)==r[3]&&d.getDate()==r[4]);
}
//   short date (2003-12)
String.prototype.isShortDate=function() {
         var r = this.match(/^(\d{1,4})(-|\/)(\d{1,2})$/);
         if(r==null)return false;
         var d= new Date(r[1], r[3]-1, 1);
         return (d.getFullYear()==r[1]&&(d.getMonth()+1)==r[3]);
}
//   date (2003-12-05 13:04:06)
String.prototype.isDateTime=function() {
        var reg = /^(\d{1,4})(-|\/)(\d{1,2})\2(\d{1,2}) (\d{1,2}):(\d{1,2}):(\d{1,2})$/;
        var r = this.match(reg);
        if(r==null)return false;
        var d= new Date(r[1], r[3]-1,r[4],r[5],r[6],r[7]);
        return (d.getFullYear()==r[1]&&(d.getMonth()+1)==r[3]&&d.getDate()==r[4]&&d.getHours()==r[5]&&d.getMinutes()==r[6]&&d.getSeconds()==r[7]);
}
String.prototype.isFloat=function(){
	return /^(-?\d+)(\.\d+)?$/.test(this);
}
String.prototype.onlyChar=function() {
	return /[^a-zA-Z]/g.test(this);
}

String.prototype.onlyCharNumber=function() {
	return /[^0-9a-zA-Z]/g.test(this);
}

String.prototype.onlyCharNumberUnderline=function() {
	return /[^0-9a-zA-Z_]/g.test(this);
}

//   char, number, underline dot CharNumberUnderlineDot
String.prototype.onlyCNUD=function() {
	return /^([a-zA-z_]{1})([\w]*)$/g.test(this);
}

//   mail
String.prototype.isEmail=function() {
	return /^\w+((-\w+)|(\.\w+))*\@[A-Za-z0-9]+((\.|-)[A-Za-z0-9]+)*\.[A-Za-z0-9]+$/.test(this);
}

//zip
String.prototype.isZipCode = function()
{
return /^\d{6}$/.test(this);
}

//   hanzi
String.prototype.existChinese = function() {
	return /^[\x00-\xff]*$/.test(this);
}

//   to int
String.prototype.toInt = function() {
	return parseInt(this);
}

//   char length
String.prototype.charLen = function() {
	var length = 0;
	for (var i = 0; i < this.length; i++) {
		if (this.charCodeAt(i) > 10000) {
			length++;
		}
		length++;
	}
	return length;
}

String.prototype.isEmpty = function() {
	return this.trim().length == 0;
}

String.prototype.isNotEmpty = function() {
	return !this.isEmpty();
}


//ID选择
$ = function (id) {
	return document.getElementById(id);
}
//名称选择
$n = function (name) {
	return document.getElementsByName(name);
}
//节点
$tg = function (name) {
	return document.getElementsByTagName(name);
}
//全选功能
function selectedAll(name,obj){
	var length=$n(name).length;
	for(var i=0;i<length;i++){
		if($n(name)[i].style.display=='none'){  
			$n(name)[i].checked=false;
			continue;
		}
		if(!obj){
			$n(name)[i].checked=true;
		}else{
			$n(name)[i].checked=obj.checked;
		}
	}
}
cntCk=function(element){
	var length=element.length;
	var cnt=0;
	for(var i=0;i<length;i++){
		if(element[i].checked){
			cnt++;
		}
	}
	return cnt;
}
function isIE() {
	return (navigator.userAgent.indexOf("MSIE") != -1);
}

function checkStrbySpesql(str)
{
	if (str.trim() == '')
	{
		return true;
	}
	
	return (str.indexOf('%') == -1
		&& str.indexOf('*') == -1
		&& str.indexOf('?') == -1
		&& str.indexOf('\\') == -1
		&& str.indexOf('_') == -1);
}

//排序字段
function sort(id,doSearch) { 
	var sortAsc = true; 
	var orderByNo = $("orderByNo").value; 
	var orderByName = $("orderByName").value;
	if (orderByName != null && orderByName.indexOf(id) == 0 && orderByNo.indexOf("asc")>=0){ 
		sortAsc = false; 
	}
	if(id!=orderByName){
		sortAsc=true;
	}
	$("orderByNo").value = sortAsc?"asc":"desc";
	$("orderByName").value = id;
	$(doSearch).click();
}
//加载排序字段
function loadOrder(doSearch){
	var thList=$tg("td");
	for ( var i = 0; i < thList.length; i++) {
		if(thList[i].attributes["sortName"]){
			var orderByName=$("orderByName").value;
			var sortName=thList[i].attributes["sortName"].nodeValue;
			if(orderByName==sortName){
				var sortPic=$("orderByNo").value=="asc"?"↓":"↑";  
				thList[i].innerHTML+=sortPic;
			}
			//改变样式
			thList[i].style.cursor="pointer"; 
			//增加click事件
			if(thList[i].addEventListener){  
				thList[i].addEventListener("click",function(){  
					var sortName1=this.attributes["sortName"].nodeValue;
					sort(sortName1,doSearch);
				},false);   
			}else if(thList[i].attachEvent){  
				thList[i].onclick=function(){
					sort(this.sortName,doSearch);
				};  
			}  
		}
	}
}
function selectAll(eleObj,idname)
{
  var inputObjes = document.getElementsByTagName("input");
  if (inputObjes)
  {
   for (var i = 0; i < inputObjes.length; i++)
   {
    if (inputObjes[i].type == 'checkbox' && inputObjes[i].disabled==false && inputObjes[i].name == idname)
    {
       inputObjes[i].checked = eleObj.checked;
    }
   }
  }
}
function trimAllInputValue()
{
  var inputObjes = document.getElementsByTagName("input");
  if (inputObjes)
  {
   for (var i = 0; i < inputObjes.length; i++)
   {
    if (inputObjes[i] && (inputObjes[i].type == 'text' || inputObjes[i].type == 'password')&& inputObjes[i].disabled == false)
    {
       inputObjes[i].value = inputObjes[i].value.trim();
    }
   }
  }
}