<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>无标题文档</title>
</head>
<body>
<input type=checkbox name=mm value=a onclick="checkItem(this, 'mmAll')"><br>
<input type=checkbox name=mm value=b onclick="checkItem(this, 'mmAll')"><br>
<input type=checkbox name=mm value=c onclick="checkItem(this, 'mmAll')"><br>
<input type=checkbox name=mm value=d onclick="checkItem(this, 'mmAll')"><br>
<input type=checkbox name=mm value=e onclick="checkItem(this, 'mmAll')"><br><br>
<input type=checkbox name=mmAll onclick="checkAll(this, 'mm')">全选与不全选的切换
<input name='button1' type='button' value='全选' onClick='this.value=check("mm")'>
<script language="javascript">
var checkflag="false";
function check(field){
field = document.getElementsByName(field)
if(checkflag=="false"){
for(i=0;i<field.length;i++)
{
field[i].checked = true;
}
checkflag="true";
return "反选";
}
else {
for(i=0;i<field.length;i++)
{
field[i].checked = false;
}
checkflag="false";
return "全选";
}
}
</script>
<script language=Javascript>
function checkAll(e, itemName)
{
var aa = document.getElementsByName(itemName);
for (var i=0; i<aa.length; i++)
aa[i].checked = e.checked;
}
function checkItem(e, allName)
{
var all = document.getElementsByName(allName)[0];
if(!e.checked) all.checked = false;
else
{
var aa = document.getElementsByName(e.name);
for (var i=0; i<aa.length; i++)
if(!aa[i].checked) return;
all.checked = true;
}
}
</script>
</body>
</html>
posted on 2006-05-17 13:51
船长 阅读(267)
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