if (obj.checked)一般是同名的多个checkbox
var chx = document.formName.elements["checkboxName"];
for (var i=0;i<chx.length;i++)
...
var chx = document.formName.elements["checkboxName"];
for (var i=0;i<chx.length;i++)
...
dim i
for i = 1 to 5
response.write "<input type=radio name=r id='r" & i &"'>"
next
%>
<script language="javascript">
<!--
function fnccheck()
{
var o = document.getElementsByTagName('INPUT');
for(var i=0;i<o.length;i++)
{
if(o[i].type == 'radio' && o[i].checked)
{
alert('check的id:'+o[i].id+',被选中了!');
}
}
}
//-->
</script><input type=button value=check onclick="fnccheck();">