Firefox bug?

I have the following HTML code

<input value="1" type="checkbox" name="A1"
onClick="tickOff(Array('A2','A3'));"/><br/>

<input value="1" type="checkbox" name="A2"
onClick="tickOff(Array('A1','A3'));"/><br/>

<input value="1" type="checkbox" name="A2"
onClick="tickOff(Array('A1','A2'));"/><br/>

and the follwing jscript

<script language="javascript">
function tickOff(inA){
for (var i=0;i<inA.length;i++) {
var m = document.getElementById(inA[i]);
m.checked = false;
}
}
</script>

All works well in IE but i get an error if I use firefox! Can anyone
help me.
Many thanks

"Rippo" <info (AT) rippo (DOT) co.uk> wrote

I have the following HTML code

input value="1" type="checkbox" name="A1"
onClick="tickOff(Array('A2','A3'));"/><br/

input value="1" type="checkbox" name="A2"
onClick="tickOff(Array('A1','A3'));"/><br/

input value="1" type="checkbox" name="A2"
onClick="tickOff(Array('A1','A2'));"/><br/

and the follwing jscript

script language="javascript"
function tickOff(inA){
for (var i=0;i<inA.length;i++) {
var m = document.getElementById(inA[i]);
m.checked = false;
}
}
/script

All works well in IE but i get an error if I use firefox! Can anyone
help me.
Many thanks

It works in IE because it's wrong. IE thinks it's polite to present
correctly things that were done wrong. You have not defined id's for the
inputs, yet you use getElementById. IE uses names instead of id's, if no
id's were found. This is quite stupid IMHO, since it lead's to zillions of
errors, since not all browsers - including Firefox - are that
error-tolerant. To fix it, give id's to the inputs as well as names. You'll
just have one problem: id's must be unique. You cannot have two fields with
same id...

Also: I think this should have the keyword 'new':
onClick="tickOff(Array('A1','A2'));"

so it would be
onClick="tickOff(new Array('A1','A2'));"

but I'm not 100% sure about this.

The major problem however is not a bug in Firefox, instead it's a "feature"
(a bug) in IE.

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Thanks very much Kimmo. I cant believe I did not have the ID in!