index.htm

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>用户登入</title>
<style type="text/css">
	form{margin:0 auto; margin-top:100px; width:269px; height:88px;}
	span{margin-left:45px; width:114px; height:22px;}
	legend{font-size:24px;}
</style>
</head>

<body>
 <form action="login.php"; method="post" id="form" name="login" onsubmit="return chenck();">
 	<fieldset>
	<legend>登入验证</legend>
            用户名:<input id="usename" type="text" name="usename"/><br />
            密&nbsp;&nbsp;码:<input id="password" type="password" name="password" /><br />
            <input id="login" type="submit" value="登入" name="login" />
            <input id="reset" type="reset" value="重置" />
            <a href="apply.htm">注册</a>
    </fieldset>
          </form>
<center style="margin-top:50px;">Designed by Homker</center>
</body>
</html>
<script type="text/javascript">
	function chenck()
	{
		if(login.usename.value=="")
			{
				alert("用户名不得为空");
				login.usename.focus();
				return false;
			}
		if(login.password.value=="")
		{
			alert("密码不得为空");
			login.password.focus();
			return false;
		}
	}
</script>