$form = '<div class="lbox1">';
$form += '<span>用户名：</span>';
$form += '<input name="username" type="text" id="username" value="" maxlength="15"></div>';
$form += '<div class="lbox2"><span>密码：</span>';
$form += '<input name="password" type="password" id="password" value="" maxlength="15">';
$form += '</div>';
$form += '<div class="login_help">';
$form += '<a href="http://www.nankesg.com/forgot">忘记密码</a> | <a href="http://www.nankesg.com/register">用户注册</a>';
$form += '</div><div class="login_b">';
$form += '<input type="submit" value="登 录" style="letter-spacing:-1px;" onclick="doAjaxLogin();" /></div>';


$.post("/users/checkLogin",
{ 	is_login: 1},
	function(data)
	{
		$id = data;
		if($id == 0)
		{
			$('#login').html($form);
		}
		else
		{
			$username = data;
			$form2 = '<div class="lbox1">';
			$form2 += '<span style="width:100px;">欢迎回来：'+ $username +'</span>';
			$form2 += '</div>';
			$form2 += '<div class="login_help">';
			$form2 += '<a href="http://www.nankesg.com/forgot">忘记密码</a> | <a href="http://www.nankesg.com/register">用户注册</a>';
			$form2 += '</div><div class="login_b">';
			$form2 += '<input type="submit" value="退 出" style="letter-spacing:-1px;" onclick="doAjaxLogout();" /></div>';
			$('#login').html($form2);
		}
	}
);


function doAjaxLogin()
{
		$userName = $('#username').val();
		$password = $('#password').val();

		if($userName == ''){alert('请输入用户名');return;}
		if($password == ''){alert('请输入用户密码');return;}

		$.post("/users/login_ajax",
		{ 	
			name: $userName, password: $password},
			function(data)
			{
				if(data == 1)
				{
					$username = $userName;
					$form2 = '<div class="lbox1">';
					$form2 += '<span style="width:100px;">欢迎回来：'+ $username +'</span>';
					$form2 += '</div>';
					$form2 += '<div class="login_help">';
					$form2 += '<a href="http://www.nankesg.com/forgot">忘记密码</a> | <a href="http://www.nankesg.com/register">用户注册</a>';
					$form2 += '</div><div class="login_b">';
					$form2 += '<input type="submit" value="退 出" style="letter-spacing:-1px;" onclick="doAjaxLogout();" /></div>';
					$('#login').html($form2);
				}
				else
				{
					alert('登录失败，请重新登录！');
				}
			}
		);  		
}

function doAjaxLogout()
{
	$.post("/users/logout_ajax",
	{ 	
	},
			function(data)
			{
				if(data == 1)
				{
					$('#login').html($form);
				}
			}
		); 
}//End logout