用户输入密码的强度

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<P><BODY>
<form name=form1 action="" >
输入密码:<input type=password size=10 onKeyUp=pwStrength(this.value) onBlur=pwStrength(this.value)>

密码强度:
<table width="217" border="1" cellspacing="0" cellpadding="1" bordercolor="#cccccc" height="23" style='display:inline'>
  <tr align="center" bgcolor="#eeeeee"> 
  
  <td width="33%" id="strength_L">弱</td>
  
  <td width="33%" id="strength_M">中</td>
  
  <td width="33%" id="strength_H">强</td>
  </tr>
</table></P>
<P></form></P>
<P></BODY>
</HTML></P>
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