function checkLogin()
		  {
			if(myform.u_name.value=="")
			{
				alert("用户名不能为空！");
				myform.u_name.focus();
				return false;
			}
			if(myform.u_password.value=="")
			{
				alert("密码不能为空！");
				myform.u_password.focus();
				return false;
			}
		  }
          document.writeln("<span class=\'menu login-menu\'><a href=\'/login.asp\'>您好，请登录</a><i class=\'sep\'></i><a href=\'/reg/\' rel=\'nofollow\'>免费注册</a></span>");