js implementation is used to create a new line and the four added text boxes are empty and disabled_javascript skills

Used to create a new line and the four added text boxes are empty and disabled

<meta http-equiv="Content-Language" content="zh-cn"> <meta http-equiv="Content-Type" content="text/html; charset=gb2312"> <meta name="GENERATOR" content="Microsoft FrontPage 4.0"> <meta name="ProgId" content="FrontPage.Editor.Document"> <title>User ID</title> <style> <!-- td { font-size: 9pt } --> </style> <form id="form1" method="POST" action="submit.htm" language="javascript" onsubmit="return check_form()"> <input type="hidden" name="hidden_index" value=""> <table border="1" width="58%" bordercolor="#000000" cellspacing="0" cellpadding="0" bordercolordark="#FFFFFF" height="16" id="Table1"> <tr> <td width="15%" align="center" bgcolor="#E6E6E6" height="16"></td> </tr> </table> </form>