checkLogin=function(){ if(document.getElementById("username_lf").value=="" || document.getElementById("pw").value==""){alert("用户名或密码不能为空..");return false;} document.getElementById("pw").value = MD5(document.getElementById("pw").value);};
document.write(
'<div class="login_tit"><h2>会员登录</h2></div>' + 
'<!-- 登录表单start -->' +
'<div class="form_login" style="display:"><form id="form1" onsubmit="return checkLogin()" action="/login.php" method="post" name="form1">' + 
'<input type="hidden" value="" name="remember" id="remember">' +
'<div class="form_row"><span class="name"><ins class="username"></ins></span><input onBlur="this.style.color=\'#999\'" onFocus="this.style.color=\'#666\'" id="username_lf" name="username_lf" class="txt1" type="text" value="用户名" /></div>' + 
'<div class="form_row"><span class="name"><ins class="password"></ins></span><input id="pw" name="pw" class="txt1" type="password" value="密  码"/></div>' + 
'<div class="form_row"><span class="name"><ins class="phone"></ins></span><input onBlur="this.style.color=\'#999\'" onFocus="this.style.color=\'#666\'" id="phone" name="phone" class="txt1" type="text" value="手机号"/></div>' +
'<div class="form_row form_code"><span class="name"><ins class="phone_code"></ins></span><input onBlur="this.style.color=\'#999\'" onFocus="this.style.color=\'#666\'" id="phone_code" width="40%" name="phone_code" class="txt1" type="text" value="手机验证码"/><a class="fr loginBox_newCode " id="quickreggetcodeA" href="javascript:void(0);" onclick="login1GetCode();return false;">免费获取验证码</a></div>' +
'<div style="text-align: center;" class="form_row_btn">' + 
'<input type="submit" value="" class="btn_login btn_center"/>' + 
'</div>' + 
'<div class="form_row_registerbtn linetop">' + 
'<input id="cmd" type="hidden" value="login" name="cmd">' + 
'<input type="button" onclick="location.href=\'/reg.php\'" value="" class="btn_register btn_register_hov"/>' + 
'</div>' + 
'</form>' + 
'</div>' +
'<!-- 登录表单end -->'
);
<!--window.onload=changeCode();-->

var login_btn21 = getDomByClass('btn2', getDomByClass('entered'))[0];
var login_btn22 = getDomByClass('btn2', getDomByClass('entered'))[1];
var username_lf = getDomById('username_lf');
var userpw_lf = getDomById('pw');
var login_btn_reg = getDomByClass('btn_register', getDomById('form1'))[0];
var login_btn_login = getDomByClass('btn_login', getDomById('form1'))[0];

addEventHandler(username_lf, 'focus', function(){
	if( username_lf.value == '用户名')
	{
		username_lf.value = '';
	} 
});
addEventHandler(username_lf, 'blur', function(){
	if( username_lf.value == '')
	{
		username_lf.value = '用户名';
	} 
});
addEventHandler(userpw_lf, 'focus', function(){
	if( userpw_lf.value == '密  码')
	{
		userpw_lf.value = '';
	} 
});
addEventHandler(userpw_lf, 'blur', function(){
	if( userpw_lf.value == '')
	{
		userpw_lf.value = '密  码';
	} 
});
addEventHandler(phone, 'focus', function(){
	if( phone.value == '手机号')
	{
		phone.value = '';
	} 
});
addEventHandler(phone, 'blur', function(){
	if( phone.value == '')
	{
		phone.value = '手机号';
	} 
});
addEventHandler(phone_code, 'focus', function(){
	if( phone_code.value == '手机验证码')
	{
		phone_code.value = '';
	} 
});
addEventHandler(phone_code, 'blur', function(){
	if( phone_code.value == '')
	{
		phone_code.value = '手机验证码';
	} 
});

addEventHandler(login_btn21, 'mouseover', function(){
	addClass(login_btn21, 'btn2_hov');
});
addEventHandler(login_btn21, 'mouseout', function(){
	removeClass(login_btn21, 'btn2_hov');
});
addEventHandler(login_btn22, 'mouseover', function(){
	addClass(login_btn22, 'btn2_hov');
});
addEventHandler(login_btn22, 'mouseout', function(){
	removeClass(login_btn22, 'btn2_hov');
});
addEventHandler(login_btn_reg, 'mouseover', function(){
	addClass(login_btn_reg, 'btn_register_hov');
});
addEventHandler(login_btn_reg, 'mouseout', function(){
	removeClass(login_btn_reg, 'btn_register_hov');
});
addEventHandler(login_btn_login, 'mouseover', function(){
	addClass(login_btn_login, 'btn_login_hov');
});
addEventHandler(login_btn_login, 'mouseout', function(){
	removeClass(login_btn_login, 'btn_login_hov');
});

var global_phone_status = 0;
function login1GetCode()
{
    if(isSendingCode == 1)
    {
        alert("正在发送验证码，请稍后");
        return false;
    }
    var phone = $.trim($('#phone').val());
    global_phone_status = 0;
    console.info(loginCheckPhone());
    if(loginCheckPhone())
    {
        showSendCodeTime();
        $.ajax({
            url:'phone_code.php',
            type:'POST',
            dataType:'json',
            data:{phone:phone},
            success:function(response){
                if(response.code != 1){
                    alert(response.msg);
                }
            }
        });
    }
}

function loginCheckPhone()
{
    var phone = $.trim($('#phone').val());
    var ab=/^(1)\d{10}$/;

    if(phone == '手机号' || phone == '')
    {
        return false;
    }

    if(phone.length == 11 && ab.test(phone) == true)
    {
        return true;
    }
    return false;
}

var sendcodewait=60;
var isSendingCode = 0;
function showSendCodeTime() {
    if (sendcodewait == 0) {
        isSendingCode = 0;
        $('#quickreggetcodeA').text("免费获取验证码").removeClass('bgGray');
        sendcodewait = 60;
    } else {
        isSendingCode = 1;
        var value = sendcodewait + "秒后重新获取";
        $('#quickreggetcodeA').addClass('bgGray').text(value);
        sendcodewait--;
        setTimeout(function(){
                showSendCodeTime();
            },
            1000);
    }
}