？我使用jquery验证插件来验证我的表单，因为eveything是好的表单现在不能正常工作，以前可以工作任何人告诉我代码中有什么错误
这是我的代码
<head>
<meta charset="utf-8">
<title>jQuery validation plug-in - main demo</title>
<link rel="stylesheet" href="css/screen.css" />
<script src="http://code.jquery.com/jquery-1.9.1.min.js"></script>
<script src="http://jquery.bassistance.de/validate/jquery.validate.js"></script>
<script>
//alert("Hi");
</script>
<script>
$（）。ready（function（）{// alert（＆＃34;准备就绪＆＃34;）; //在提交评论表时验证
$("#commentForm").validate({
rules :{
UMcustreceiptname:"required",
UMcustemail:{
required:true,
email:true
},
UMname:"required",
// street:"required",
// city:"required",
UMzip:{
required: true,
number:true,
minlength:4,
maxlength: 6
},
// UMcardtype: {
// required: {
// depends: function(element) {
// return $("#UMcardtype").val() == '';
// }
// }
// },
UMexpir:{
required: true,
number:true,
minlength:4,
maxlength: 4
},
// UMcvv2:{
// required: true,
// number:true,
// minlength:3,
// maxlength: 3
// },
UMcard: {
required: true,
number:true,
minlength:16,
maxlength:16
}
},
messages: {
cardtype: 'Please select a <b>card type</b>.'
}
});
});
</script>
<style type="text/css">
#commentForm { width: 500px; }
#commentForm label { width: 250px; }
#commentForm label.error, #commentForm input.submit { margin-left: 253px; }
#signupForm { width: 670px; }
#signupForm label.error {
margin-left: 10px;
width: auto;
display: inline;
}
#newsletter_topics label.error {
display: none;
margin-left: 103px;
}
</style>
</head>
<body>
<div id="main">
<div class="wowio_total" style="background-color:#fdf6f1;">
<table width="700" align="center">
<tr>
<td align="center">
<h2 style="background-color:#f17122; width:500px; height:30px; line-height:30px; color:#FFFFFF;">PAYMENT GATEWAY</h2>
<form class="cmxform" id="commentForm" action="http://www.domainname.com/index.php/bookInfo/pay" method="POST" style="background-color:#faddcb; border:1px dotted #f17122;">
<input id="bookId" name="bookId" type="hidden" value="<?php echo $bookId; ?>"/>
<input id="readerId" name="readerId" type="hidden" value="<?php echo $readerId; ?>"/>
<input id="authorId" name="authorId" type="hidden" value="<?php echo $authorId; ?>"/>
<input id="amount" name="amount" type="hidden" value="<?php echo $amount; ?>"/>
<fieldset style="border:1px solid #fbcfb3; ">
<?php if (!empty($message)) { ?>
<div class="err_msg">RESULT : <?php echo $message; ?></div>
<?php } ?>
<p class="tbrcr">
<label for="UMcustreceiptname" style="text-align:left; margin-left:27px;">Name :</label>
<input id="UMcustreceiptname" name="UMcustreceiptname" value="" type="text" class="tbrcr"/>
</p>
<p class="tbrcr" style="margin-left:27px;">
<label for="UMcustemail" style="text-align:left;">E-Mail :</label>
<input id="UMcustemail" type="UMcustemail" value="" name="UMcustemail" class="tbrcr"/>
</p>
<p class="tbrcr" style="margin-left:27px;">
<label for="street" style="text-align:left;">Street :</label>
<input id="street" type="text" name="street" class="tbrcr"/>
</p>
<p class="tbrcr" style="margin-left:36px;">
<label for="city" style="text-align:left;">City :</label>
<input id="city" type="text" name="city" class="tbrcr"/>
</p>
<p class="tbrcr" style="margin-left:10px;">
<label for="UMzip" style="text-align:center;">Zip Code :</label>
<input id="UMzip" type="text" name="UMzip" value="" class="tbrcr"/>
</p>
<!-- <p class="tbrcr" style="margin-left:5px;">
<label for="UMcardtype" style="text-align:center;" >Card Type :</label>
<select class="menu_br_card_type" id="UMcardtype" name="UMcardtype" id="cardtype">
<option value="" selected="selected">..... Select One .....</option>
<option value="visa">Visa</option>
<option value="mastercard">Master Card</option>
<option value="amex">Amex</option>
</select>
</p>-->
<p class="tbrcr" style="margin-left:-10px;">
<label for="UMcard" style="text-align:left;">Card Number :</label>
<input id="UMcard" name="UMcard" value="" type="text" class="tbrcr"/>
</p>
<p class="tbrcr">
<label for="UMexpir" style="text-align:center;">Expiry Date :</label>
<input id="UMexpir" name="UMexpir" type="text" value="" class="tbrcr"/>
</p>
<!-- <p class="tbrcr">
<label for="name" style="text-align:left; margin-left:27px;">Name on Card :</label>
<input id="UMname" name="UMname" type="text" class="tbrcr">
</p>-->
<p class="tbrcr">
<label for="UMcvv2" style="text-align:left; margin-left:27px;">CVV2 :</label>
<input id="UMcvv2" name="UMcvv2" value="" type="text" class="tbrcr"/>
</p>
<p class="tb_btn">
<input class="submit" type="submit" id="submit" value="Submit" class="tb_btn"/>
</p>
</fieldset>
</form>
</td>
</tr>
</table>
</div>
</div>
</body>
</html>