function checkAddSub()
{
   if (document.myform3.ul_username.value=="")
    {
    alert("用户名不能为空！");
	document.myform3.ul_username.focus();
	return false;
    }
    var ul_username = document.myform3.ul_username.value;
　 　//var pattern =/^([a-zA-Z0-9])+([a-zA-Z0-9])|(.-_)$/ ;
     var pattern = /^[0-9a-zA-Z][0-9a-zA-Z._-]{5,16}$/;
	 flag = pattern.test(ul_username);
　  　if(!flag)
　 　{　
	　alert('用户名不符合标准,请重新输入！'); 
	  myform3.ul_username.focus();
　　　return false;
　 　}
    if(document.myform3.ul_username.value.length < 6 || document.myform3.ul_username.value.length >16) {
	document.myform3.ul_username.focus();
    alert("用户名长度在6位到16位之间，请重新输入！");
	return false;
    }
	if(myform3.ul_password.value==""){
		alert('密码不能为空！');
		myform3.ul_password.focus();
		return false;
	}
	if(document.myform3.ul_password.value.length < 6 || document.myform3.ul_password.value.length >16) {
	document.myform3.ul_password.focus();
    alert("密码长度在6位到16位之间，请重新输入！");
	return false;
  }
	if(myform3.ul_password1.value==""){
		alert('确认密码不能为空！');
		myform3.ul_password1.focus();
		return false;
	}
	if(myform3.ul_password1.value !=myform3.ul_password.value){
		alert('确认密码有误，请重新输入！两者密码要一致！');
		myform3.ul_password1.focus();
		return false;
	}
	if(myform3.ul_question.value==""){
		alert('密码问题不能为空！');
		myform3.ul_question.focus();
		return false;
	}
	if(myform3.ul_answer.value==""){
		alert('问题答案不能为空！');
		myform3.ul_answer.focus();
		return false;
	}
	if(myform3.ul_email.value==""){
		alert('电子邮箱不能为空！');
		myform3.ul_email.focus();
		return false;
	}
	var ul_email = document.myform3.ul_email.value;
　　var pattern = /^([a-zA-Z0-9._-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/;
	flag = pattern.test(ul_email);
　　if(!flag)
　　{　
	　alert('电子邮箱填写格式不正确！'); 
	  myform3.ul_email.focus();
　　　return false;
　　}
//    if(myform3.ul_tel.value==""){
//		alert('联系电话不能为空！');
//		myform3.ul_tel.focus();
//		return false;
//	}
//	var ul_tel = document.getElementById("ul_tel").value;
//	flag1 = isNaN(ul_tel);
//	if(flag1){
//		alert("联系电话必须为数字!");
//		myform3.ul_tel.value = "";
//		 myform3.ul_tel.focus();
//		return false;
//	}
//	if(myform3.ul_address.value==""){
//		alert('联系地址不能为空！');
//		myform3.ul_address.focus();
//		return false;
//	}
	if(myform3.ul_address.value==""){
		alert('联系地址不能为空！');
		myform3.ul_address.focus();
		return false;
	}
     return (true);
}

function check()
{
	if(myform1.ul_username.value==""){
		alert('用户名不能为空！');
		myform1.ul_username.focus();
		return false;
	}
	if(myform1.ul_password.value==""){
		alert('密码不能为空！');
		myform1.ul_password.focus();
		return false;
	}

     return (true);
}

  function news_info()
 {
	if(form_info.ns_title.value==""){
		alert('信息名称不能为空！');
		form_info.ns_title.focus();
		return false;
	}
  
 }
 
 // JavaScript Document
function $$$$(obj,tag){return document.getElementsByClassName(obj,tag);}
document.getElementsByClassName = function(className, tagName){
	var elems = document.body.getElementsByTagName("*");
	if( tagName != null ) elems = document.body.getElementsByTagName(tagName);
	//alert(elems.length);//debug
	var result=[];
	for (i=0; j=elems[i]; i++){
	  if ((" "+j.className+" ").indexOf(" "+className+" ")!=-1){
	   result.push(j);
	  }
	}
	return result;
}
function load_add(func){
	var tmp_event = window.onload;
	try{
		if(typeof (tmp_event) != 'function'){
			window.onload = function(){
				func();
			}
		}else{
			window.onload = function(){
				tmp_event();
				func();
			}
		}
	}catch(e){}
}
//
function test(){
	var tests = $$$$("test_","td").concat($$$$("test","td"));
	var boxs = $$$$("box","div");
	for(var i=0; i<tests.length; i++){
		tests[i].onmouseover = function(){
			for(var j=0; j<tests.length; j++){
				tests[j].className="test_";
				boxs[j].style.display = "none";
			}
			this.className = "test";
			boxs[this.getAttribute("index")].style.display = "";
		}
	}
}
load_add(test);

function test1(){
	var tests1 = $$$$("test1_","td").concat($$$$("test1","td"));
	var boxs1 = $$$$("box1","div");
	for(var i=0; i<tests1.length; i++){
		tests1[i].onclick = function(){
			for(var j=0; j<tests1.length; j++){
				tests1[j].className="test1_";
				boxs1[j].style.display = "none";
			}
			this.className = "test1";
			boxs1[this.getAttribute("index1")].style.display = "";
		}
	}
}
load_add(test1);