//XMLHttpRequest 
	var xmlhttp = false;
	try {
		xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
	} catch (e) {
		try {
			xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
		} catch (e2) {
			xmlhttp = false;
		}
	}
	if (!xmlhttp && typeof XMLHttpRequest != 'undefined') {
		xmlhttp = new XMLHttpRequest();
	}
	function Ajax(data){
		var day = new Date();
		var random_num = day.getTime()+Math.floor(Math.random()*100000);
		xmlhttp.open("GET","user_ck.php?username="+document.getElementById("username").value+"&num="+random_num,true);
		xmlhttp.send(null);
	    document.getElementById('username_notice').innerHTML = process_request;//显示状态
		xmlhttp.onreadystatechange=function(){
			if (4==xmlhttp.readyState){
				if (200==xmlhttp.status){
				var responseText = xmlhttp.responseText;
				   if (responseText=="true" ){
						ck_user("true");
				      }
				   else{
				   		ck_user("false");
				   }
				}else{
					alert("发生错误!");
				}
			}
		}
	}


	function Ajax_code(code){	
		xmlhttp.open("GET","ck_code.php",true);
		xmlhttp.send(null);
		xmlhttp.onreadystatechange=function(){
			if (4==xmlhttp.readyState){
				if (200==xmlhttp.status){
				var codeText = xmlhttp.responseText;
				
				if ( code.value == "" )
					{
					showInfo("code_notice","请输入验证码");
					code_notice.className = "notestyle";
					change_submit("true");//禁用提交按
					return false;
					}else if ( code.value!= codeText)
					{
					showInfo("code_notice","验证码不正确");
					code_notice.className = "notestyle";
					change_submit("true");//禁用提交按
					}else {
					showInfo("code_notice",info_right);
					code_notice.className = "noteyesstyle";
					change_submit("false"); 
					}
				}else{
					alert("发生错误!");
				}
			}
		}
	}


	function chkUserName(obj){
	     if (checks(obj.value)== false)
		  {
			//obj.className = "FrameDivWarn";
			username_notice.className = "notestyle";
			showInfo("username_notice",msg_un_format);
            change_submit("true");
		  }
		else if(obj.value.length<1){
			//obj.className = "FrameDivWarn";
			username_notice.className = "notestyle";
			showInfo("username_notice",msg_un_blank);
            change_submit("true");
		}

		else if(obj.value.length<3){
			//obj.className = "FrameDivWarn";
			username_notice.className = "notestyle";
			showInfo("username_notice",username_shorter);
            change_submit("true");
		}
		
		else if(obj.value.substring(0,3) == 'QQ_' || obj.value.substring(0,3) == 'qq_'){
			username_notice.className = "notestyle";
			showInfo("username_notice",username_qq);
            change_submit("true");
		}
		else{
			//调用Ajax函数,向服务器端发送查询
			username_notice.className = "noteyesstyle";
			Ajax(obj.value);
		}			

	}
//--------------用户名检测---------------------//
function ck_user(result)
{
  if ( result == "true" )
  {  
    document.getElementById('username_notice').className = "notestyle";
	showInfo("username_notice",msg_un_registered);
    change_submit("true");//禁用提交按钮
  }
  else
  { 
    document.getElementById('username_notice').className = "noteyesstyle";
	showInfo("username_notice",msg_can_rg);
    change_submit("false");//可用提交按钮
  }
}

function ck_code(session_code)
{
	if ( code.value!= code){
		}
}

function checks(t){
    szMsg="[#%&'\",;:=!^@]";
     //alertStr="";
    for(i=1;i<szMsg.length+1;i++){
     if(t.indexOf(szMsg.substring(i-1,i))>-1){
      //alertStr="请勿包含非法字符如[#_%&'\",;:=!^]";
      return false;
     }
    }
    return true;
   }
//-----------EMAIL检测--------------------------------//
function checkEmail(email)
{
 if (chekemail(email.value)==false)

  {
    //email.className = "FrameDivWarn";
	showInfo("email_notice",msg_email_format);
	email_notice.className = "notestyle";
	change_submit("true");  
 } 
 
else
   {
   showInfo("email_notice",info_right);
   //email.className = "FrameDivPass";
   email_notice.className = "noteyesstyle";
   change_submit("false"); 
   }
}

function chekemail(temail) {  
 var pattern = /^[\w]{1}[\w\.\-_]*@[\w]{1}[\w\-_\.]*\.[\w]{2,4}$/i;  
 if(pattern.test(temail)) {  
  return true;  
 }  
 else {  
  return false;  
 }  
}

function check_mobile(mobile) {
	var partten = /^1[3,5]\d{9}$/;
	var num = document.getElementById('mobile').value;

	//mobile:"^(13|15)[0-9]{9}$";
	if(mobile.value==""){
		showInfo("mobile_notice",mobile_invalid);
		mobile_notice.className = "notestyle";
		change_submit("true");//禁用提交按钮
	}else if(mobile.value.length!=11)
	{
		showInfo("mobile_notice",mobile_invalid_1);
		mobile_notice.className = "notestyle";
		change_submit("true");//禁用提交按钮
	}else if(!partten.test(num))
	{
		showInfo("mobile_notice",mobile_invalid_2);
		mobile_notice.className = "notestyle";
		change_submit("true");//禁用提交按钮
	}else
	{
		showInfo("mobile_notice",info_right);
		mobile_notice.className = "noteyesstyle";
		change_submit("false");//允许提交按钮	
	}
}

     function isphone2(){
      var num = document.getElementById('mb').value;
      var partten = /^1[3,5]\d{9}$/;
      if(partten.test(num)){
       alert('是手机号码');
      }else{
       alert('不是手机号码');
      }
     }


//--------------------密码检测-----------------------------//
function check_password( password )
{
    if ( password.value.length < 6 )
    {
		showInfo("password_notice",password_shorter_s);
		password_notice.className = "notestyle";
		//password.className = "FrameDivWarn";
		change_submit("true");//禁用提交按钮
    }
	else if(password.value.length > 30){
		showInfo("password_notice",password_shorter_m);
		//password.className = "FrameDivWarn";
		password_notice.className = "notestyle";
		change_submit("true");//禁用提交按钮
		}
    else
    {
		showInfo("password_notice",info_right);
		password_notice.className = "noteyesstyle";
		//password.className = "FrameDivPass";
		change_submit("false");//允许提交按钮
    }
}

function check_conform_password( conform_password )
{
    password = document.getElementById('password').value;
    
    if ( conform_password.value.length < 6 )
    {
		showInfo("conform_password_notice",password_shorter_s);
		conform_password_notice.className = "notestyle";
		//conform_password.className = "FrameDivWarn";
		change_submit("true");//禁用提交按
        return false;
    }
    if ( conform_password.value!= password)
    {
		showInfo("conform_password_notice",confirm_password_invalid);
		conform_password_notice.className = "notestyle";
		//conform_password.className = "FrameDivWarn";
		change_submit("true");//禁用提交按
    }
    else
    {   
	    //conform_password.className = "FrameDivPass";
		conform_password_notice.className = "noteyesstyle";
		showInfo("conform_password_notice",info_right);
		change_submit("false");//允许提交按钮
    }
}
//* *--------------------检测密码强度-----------------------------* *//

function checkIntensity(pwd)
{
  var Mcolor = "#FFF",Lcolor = "#FFF",Hcolor = "#FFF";
  var m=0;

  var Modes = 0;
  for (i=0; i<pwd.length; i++)
  {
    var charType = 0;
    var t = pwd.charCodeAt(i);
    if (t>=48 && t <=57)
    {
      charType = 1;
    }
    else if (t>=65 && t <=90)
    {
      charType = 2;
    }
    else if (t>=97 && t <=122)
      charType = 4;
    else
      charType = 4;
    Modes |= charType;
  }

  for (i=0;i<4;i++)
  {
    if (Modes & 1) m++;
      Modes>>>=1;
  }

  if (pwd.length<=4)
  {
    m = 1;
  }

  switch(m)
  {
    case 1 :
      Lcolor = "2px solid red";
      Mcolor = Hcolor = "2px solid #DADADA";
    break;
    case 2 :
      Mcolor = "2px solid #f90";
      Lcolor = Hcolor = "2px solid #DADADA";
    break;
    case 3 :
      Hcolor = "2px solid #3c0";
      Lcolor = Mcolor = "2px solid #DADADA";
    break;
    case 4 :
      Hcolor = "2px solid #3c0";
      Lcolor = Mcolor = "2px solid #DADADA";
    break;
    default :
      Hcolor = Mcolor = Lcolor = "";
    break;
  }
  document.getElementById("pwd_lower").style.borderBottom  = Lcolor;
  document.getElementById("pwd_middle").style.borderBottom = Mcolor;
  document.getElementById("pwd_high").style.borderBottom   = Hcolor;

}
//--------------注册协议复选框状态检测---------------------//
function check_agreement(){
  if (document.formUser.checkbox.checked==false)
  {
	 //showInfo("agreement_notice",agreement);
     change_submit("true");//允许提交
}
  else
  {
	//showInfo("agreement_notice",info_right);
	change_submit("false");//允许提交按
	}
}


//-------------处理注册程序-----------------------------//
function register() {
if(document.formUser.username.value=="")
	{
	//showclass("username","FrameDivWarn");
	  showInfo("username_notice",msg_un_blank);
	  username_notice.className = "notestyle";
	  document.formUser.username.focus();
	  return false;
	 }

 else if(document.formUser.password.value=="")
	{
	//showclass("password","FrameDivWarn");
	  showInfo("password_notice",password_empty);
	  password_notice.className = "notestyle";
      document.formUser.password.focus();
	  return false;
	 }
 else if(document.formUser.password_r.value=="")
	{
	//showclass("password_r","FrameDivWarn");
	  showInfo("conform_password_notice",confirm_password_invalid);
	  conform_password_notice.className = "notestyle";
      document.formUser.password_r.focus();
	  return false;
	 }
 else if(document.formUser.mobile.value=="")
 	{
		showInfo("mobile_notice",mobile_invalid);
		mobile_notice.className = "notestyle";
		document.formUser.mobile.focus();
		return false;

	}
 else if(document.formUser.email.value=="")
	{
	  //showclass("email","FrameDivWarn");
	  showInfo("email_notice",msg_email_blank);
	  email_notice.className = "notestyle";
	  document.formUser.email.focus();
	  return false;
	 }	
 else if(document.formUser.checkbox.checked==false)
	{
	//showclass("agreement","FrameDivWarn");
	//showInfo("agreement_notice",agreement);
      document.formUser.checkbox.focus();
	  return false;
	 }
}

//------------ 按钮状态设置-----------------------------//
function change_submit(zt)
{ 
     if (zt == "true")
     {
   document.getElementById('Submit1').disabled = 'disabled'; 
   document.getElementById('Submit1').src = '/images/login_hui.gif'; 
     }
   else
     {
   document.getElementById('Submit1').disabled = ''; 
   document.getElementById('Submit1').src = '/images/login_18.gif'; 
     }
}
//------公用程序------------------------------------//
function showInfo(target,Infos){
    document.getElementById(target).innerHTML = Infos;
}
function showclass(target,Infos){
    document.getElementById(target).className = Infos;
}	
var process_request = "<img src='/images/loading.gif' width='16' height='16' border='0' align='absmiddle'>正在数据处理中...";
//var username_empty = "<span class='notestyle'> 用户名不能为空!</span>";
var username_empty = " 用户名不能为空";
var username_shorter = " 用户名长度不能少于 3 个字符";
var username_qq = " 用户名不能以QQ_或者qq_开头";
var username_invalid = " 用户名只能是由字母数字以及下划线组成";
var password_empty = " 登录密码不能为空";
var password_shorter_s = " 登录密码不能少于 6 个字符";
var password_shorter_m = " 登录密码不能多于 30 个字符";
var confirm_password_invalid = " 两次输入密码不一致";
var email_empty = " Email 为空";
var email_invalid = " Email 不是合法的地址";
var agreement = " 您没有接受协议";
var msn_invalid = "- msn地址不是一个有效的邮件地址";
var qq_invalid = "- QQ号码不是一个有效的号码";
var home_phone_invalid = "- 家庭电话不是一个有效号码";
var office_phone_invalid = "- 办公电话不是一个有效号码";
var mobile_invalid = "手机号码不能为空";
var mobile_invalid_1 = "手机号码长度不合法";
var mobile_invalid_2 = "手机号码不是一个有效号码";
var msg_un_blank = " 用户名不能为空";
var msg_un_length = " 用户名最长不得超过15个字符";
var msg_un_format = " 用户名含有非法字符!";
var msg_un_registered = " 用户名已经存在,请重新输入!";
var msg_can_rg = "<span style='COLOR:#006600'> <img src='/images/login_12.gif' width='22' height='21' /></span>";
var msg_email_blank = " 邮件地址不能为空!";
var msg_email_registered = " 邮箱已存在,请重新输入!";
var msg_email_format = " 邮件地址不合法!";
var username_exist = " 用户名 %s 已经存在";
var info_can="<img src='/images/login_12.gif' width='22' height='21' />";
var info_right="<img src='/images/login_12.gif' width='22' height='21' />";