多个字段验证...一条错误消息

我需要验证3个文本字段，并在这些字段上显示红色边框高亮显示，但是在输入所有3个字段后要显示一条常见的错误消息.

I need to validate 3 textfields and show red border highlights on the fields but a common error message to show after all 3 fields have been entered.

我有3个文本字段:

<label>LABEL TEXT</label>
<input type="text" value="" size="2" maxlength="2" class="formInput" name="code1" />
<input type="text" value="" size="2" maxlength="2" class="formInput" name="code2" />
<input type="text" value="" size="2" maxlength="2" class="formInput" name="code3" />

字段验证:

是必填字段

只允许输入数字，而只能输入2个数字.

Only numbers are allowed and exact 2 numbers should be allowed.

客户端验证:

我需要对模糊应用验证，单击提交按钮将验证服务器端.

I need to apply validations on blur and on the click of a submit button it will validate server side.

我需要通过以下方式进行验证- 在第一和第二模糊时，我需要突出显示无效条目的字段.但是在模糊/输入所有三个字段中的数据后，显示一个常见的错误消息(标签将被错误消息替换).

I need to apply validations in the following manner---- On blur of the first and second, I need to highlight the fields for invalid entries. But show a common error message (label will be replaced with an error message) after blurring/entering the data in all the three fields.

如果上面的任何内容不清楚，请提出问题...非常感谢您的帮助.

Please ask questions if anything above is NOT clear...any help much appreciated.