使所有复选框被选中、密码相同性验证(JavaScript)

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select.htm 功能:点击最后一个复选框,使所有复选框被选中
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>无标题文档</title>
<SCRIPT language=javascript>
function unselectall()
{
    if(document.myform.chkAll.checked){
 document.myform.chkAll.checked = document.myform.chkAll.checked&0;
    }  
}

function CheckAll(form)
  {
  for (var i=0;i<form.elements.length;i++)
    {
    var e = form.elements[i];
    if (e.Name != "chkAll"&&e.disabled==false)
       e.checked = form.chkAll.checked;
    }
  }


</SCRIPT>
</head>

<body>
<form name="myform" method="Post" action="Admin_ArticleDel.asp" onsubmit="return ConfirmDel();">
  <p>
    <input name='ArticleID' type='checkbox' onclick="unselectall()" id="ArticleID" value='1'>
    <input name='ArticleID' type='checkbox' onclick="unselectall()" id="ArticleID" value='2'>
    <input name='ArticleID' type='checkbox' onclick="unselectall()" id="ArticleID" value='3'>
    <input name='ArticleID' type='checkbox' onclick="unselectall()" id="ArticleID" value='4'>
    <input name="chkAll" type="checkbox" id="chkAll" onclick=CheckAll(this.form) value="checkbox">
</p>
</form>
</body>
</html>


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功能:新密码确认
使用:把form1.f_newPwd和form1.f_newPwd2改成自己文本框的名字
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<script language="javascript">
  function checkSame(){
  if(form1.f_newPwd.value == form1.f_newPwd2.value){
   document.form1.submit();
  }else{
   alert("两次输入的新密码不一致!");
  }
    
 }
</script>