function checkdata()
{
 obj1=document.getElementById("TB_user");
 obj2=document.getElementById("TB_pwd1");
 obj3=document.getElementById("TB_pwd2");
 obj4=document.getElementById("TB_validate");
 trimspace(obj1);
 trimspace(obj2);
 trimspace(obj3);
 trimspace(obj4);
  
 if(obj1.value=="")
 {
  alert("用户名不能为空!");
  return false;
 }
  if(obj2.value=="")
 {
  alert("密码不能为空!");
  return false;
 }
 if(obj3.value=="")
 {
  alert("确认密码不能为空!");
  return false;
 }
  if(obj4.value=="")
 {
  alert("验证码不能为空!");
  return false;
 } 
 return true;
}

//Ajax 函数
 function checkUser(obj){
    trimspace(obj);
    name=obj.value;
   //	var pattern = /^([\u4E00-\u9FA5]|[\uFE30-\uFFA0])*$/gi;

   if(name=="")
   {
   //alert("用户名不能为空!");
   document.getElementById("userinfo").innerHTML="请使用英文字母和数字 或 您常用的邮箱！推荐使用中文！"
   return false;
   }
  /* 
   	if (pattern.test(obj.value))
	{
	  alert("用户名不能用中文!");
	  obj.value="";
	  return false
	}
	*/

   if(name=="NULL"||name=="null")
   {
     document.getElementById("userinfo").innerHTML="<FONT face='宋体' color=red > "+name+" 此用户名不可使用!请另输入一个！.</FONT>"
     obj.value="";
     return false;
   }
   str=register.checkID(obj.value);
    if(str.value=="0")
    {
      document.getElementById("userinfo").innerHTML="<FONT face='宋体' color=green > 恭喜!你的用户名可以使用！</FONT>";//str.value;
      return;
    }
    if(str.value=="2")
      {
         document.getElementById("userinfo").innerHTML="<FONT face='宋体' color=red > "+name+" 已被人使用!请另输入一个！.</FONT>"
         obj.value="";
      }
//alert(str.value);
}//end
function oncheckpsw(){
	pw1=document.getElementById("TB_pwd1");
	pw2=document.getElementById("TB_pwd2");
	trimspace(pw1);
	trimspace(pw2);
	if(pw1.value!=""||pw2.value!="")
	{
		if(pw1.value.length < 6)
		{
			alert("登录密码，不能少于6位！");
			pw1.value="";
			pw2.value="";
			pw1.focus();
			return false;
		}
		if(pw1.value!=pw2.value)
		{
			alert("登录密码 和 确认密码 必须相同！");
			pw1.value="";
			pw2.value="";
			pw1.focus();
			return false;
		}//endif
	}//endif
}//end

//Ajax 函数
function getCity(obj)
{
var city;
 // alert(obj[obj.selectedIndex].text);
city=register.getCity(obj.selectedIndex);
document.getElementById("city").innerHTML=city.value;
document.getElementById("country").innerHTML="<SELECT name='szDiqu' id='scountry'><OPTION value='0' selected>请选择区县……</OPTION></SELECT>";
}//end function

//Ajax 函数
function getCounty(obj)
{
var country;
country=register.getCounty(document.getElementById("szSheng").selectedIndex,obj.selectedIndex);
document.getElementById("country").innerHTML=country.value;
}//end function

function checkIsChinese(obj,strErr)
{
	trimspace(obj);
	//如果值为空，通过校验
	if (obj.value == "")
	return true;
	//正则表达式
	var pattern = /^([\u4E00-\u9FA5]|[\uFE30-\uFFA0])*$/gi;
	if (pattern.test(obj.value))
	return true;
	else
	alert(strErr + " 必须为中文，请不要输入非中文的字符！");
	obj.focus();
	return false;
}

// 邮箱检查
function checkMail(obj,strErr,flg)
{
trimspace(obj);
if (obj.value == "" && flg == 0)
{
	return true;
}

if (obj.value == "" && flg == 1)
{
	alert(strErr + "必须输入！");
	obj.focus();
	return false;
}

var checkOK = "0123456789abcdefghijklmnopqrstuvwxyz@.-_";
var checkStr = obj.value;
var allValid = true;
var decPoints = 0;
var allNum = "";
for (i = 0;  i < checkStr.length;  i++)
{
ch = checkStr.charAt(i);
for (j = 0;  j < checkOK.length;  j++)
if (ch == checkOK.charAt(j))
break;
if (j == checkOK.length)
{
allValid = false;
break;
}
if (ch != ".")
allNum += ch;
}
if (!allValid)
{
alert("您的" + strErr + "中有非法字符!");
obj.focus();
return (false);
}		

if ( obj.value !== "")
{
var checkOK2 = obj.value;
var checkStr2 = "@.";
var allValid2 = true;
var decPoints2 = 0;
var allNum2 = "";
for (i = 0;  i < checkStr2.length;  i++)
{
ch2 = checkStr2.charAt(i);
for (j = 0;  j < checkOK2.length;  j++)
if (ch2 == checkOK2.charAt(j))
break;
if (j == checkOK2.length)
{
allValid2 = false;
break;
}
if (ch2 != ".")
allNum2 += ch2;
}
if (!allValid2)
{
  alert(strErr + "中缺少有效字符!");
  obj.focus();
  return (false);
}
return true;
}
}

function IsMobile()
{
 return ((event.keyCode >= 48) && (event.keyCode <= 57));
}

function IsTell()
{
 return (((event.keyCode >= 48) && (event.keyCode <= 57))||event.keyCode == 45 );
}

function trimspace(obj)
{
	String.prototype.Trim = function()
	{
		return this.replace(/(^\s*)|(\s*$)/g, "");
	}			
	obj.value = obj.value.Trim();
}

//设置地址
function setaddress(obj)
{
    obj1=document.getElementById("sprovince");
    obj2=document.getElementById("scity");
    obj3=document.getElementById("scountry");
    obj4=obj;
    obj5=document.getElementById("memberAdd");	

    trimspace(obj1);
    trimspace(obj2);
    trimspace(obj3);
    trimspace(obj4);
    trimspace(obj5);
    
	if(obj1.selectedIndex==0||obj4.value=="")
	{
	  obj5.value="";
	  return true;
	}
	if(obj2.selectedIndex==0)
	{
	  alert("请选择市!");
	  obj5.value="";
	  return false;
	}
	if(obj3.selectedIndex==0)
	{
	  alert("请选择县!");
	  obj5.value="";
	  return false;
	}
	trimspace(obj4);
	if(obj4.value=="")
	{
	  alert("请输入地址!");
	  obj5.value="";
	  return false;
	}

	if(obj2[obj2.selectedIndex].text!="省直辖")
	{
	  obj5.value=obj1[obj1.selectedIndex].text+obj2[obj2.selectedIndex].text+obj3[obj3.selectedIndex].text+obj4.value;
	}
	else
	{
	  obj5.value=obj1[obj1.selectedIndex].text+obj3[obj3.selectedIndex].text+obj4.value;
	}
	return true;
}