If there is only one checkbox with the same name, you can use cbox.checked
If there is more than one, you use array notation:
cbox[0].checked
cbox[1].checked
cbox[n].checked
----- Original Message -----
From: "barry.b" <[EMAIL PROTECTED]>
To: "CFAussie Mailing List" <[EMAIL PROTECTED]>
Sent: Wednesday, April 14, 2004 1:31 AM
Subject: [cfaussie] (OT) access groups of chkboxes using ID, not name
> hi all
> I've got a form with a hundred or so checkboxes. I want to set up small
> groups of them to check/uncheck. I can't use the name (form processing,
> diff order) so I'm trying to use the ID.
>
> the bit I'm stuck on is getting an array of checkboxes and then looping
> thru them to check only using the ID. I can get the first one to work but
> not the other ones of the same name. any ideas?
>
> thanx
> barry.b
>
>
> <script>
> function checkAll(id) {
> cbox = eval("document.getElementById(id)");
> if (cbox.checked == true){
> cbox.checked = false;
> return "Check All";
> }else{
> cbox.checked = true;
> return "Uncheck All";
> }
> }
> </script>
>
> here's part of the form
>
>
> <td><input type=button value="Check All"
onClick="this.value=checkAll('view_ADM')"></td>
> <td><input type=button value="Check All"
onClick="this.value=checkAll('add_ADM')"></td>
> <td><input type=button value="Check All"
onClick="this.value=checkAll('edit_ADM')"></td>
> <td><input type=button value="Check All"
onClick="this.value=checkAll('del_ADM')"></td>
> </tr>
> <tr>
> <td> Menu Admin </td>
> <td><input type="Checkbox" name="Perm_b_40 " id="view_ADM" checked></td>
> <td><input type="Checkbox" name="Perm_b_37 " id="add_ADM"></td>
> <td><input type="Checkbox" name="Perm_b_39 " id="edit_ADM"></td>
> <td><input type="Checkbox" name="Perm_b_38 " id="del_ADM"></td>
> </tr>
> <tr>
> <td> Users Admin </td>
> <td><input type="Checkbox" name="Perm_b_36 " id="view_ADM" checked></td>
> <td><input type="Checkbox" name="Perm_b_33 " id="add_ADM"></td><td><input
type="Checkbox" name="Perm_b_35 "id="edit_ADM"></td>
> <td><input type="Checkbox" name="Perm_b_34 " id="del_ADM"></td>
> </tr>
> <tr>
> <td> Utilities Admin </td>
> <td><input type="Checkbox" name="Perm_b_44 " id="view_ADM" checked></td>
> <td><input type="Checkbox" name="Perm_b_41 " id="add_ADM"></td>
> <td><input type="Checkbox" name="Perm_b_43 " id="edit_ADM"></td>
> </tr>
>
> ---
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