Re: FN-FORUM: Check box problem

date posted 19th March 2008 10:31


----- Original Message -----
From: "Martin Wheatley" [EMAIL REMOVED]
To: [EMAIL REMOVED]
Sent: Wednesday, March 19, 2008 11:35 AM
Subject: Re: FN-FORUM: Check box problem


>
> On 19/03/2008 01:06, [EMAIL REMOVED] wrote:
>> ----- Original Message -----
>> From: "James Herrington" [EMAIL REMOVED]
>> To: [EMAIL REMOVED]
>> Sent: Wednesday, March 19, 2008 1:00 AM
>> Subject: Re: FN-FORUM: Check box problem
>>
>>
>>>
>>>> How do you check if a Check Box exists using Javascript before you test
>>>> if it is checked?
>>>>
>>>> if (document.getElementById("ALL_Diaries") == true) {
>>>>
>>>>
>>>> }
>>>>
>>>> doesn't work
>>> I haven't had the time to learn Javascript yet but I suspect if the
>>> element isn't found a null value will be returned.
>>>
>>> Try something like:
>>>
>>> if (document.getElementById("ALL_Diaries") != null) {
>>>
>>>
>>> }
>>>
>>> HTH
>>> James
>>>
>>>
>>
>> They were all null even if they existed when I tried - Pam
>
> Sounds like something else is wrong (the id is wrong?), they should return
> an object if they exist.
>
> Can you give us a url to look at?
>
> Martin
>



Strange isn't it

This is the Check box





This is the bit of code


function Check_Diary_Validate(source, arguments) {
arguments.IsValid = false
if (document.getElementById("ALL_Diaries") !== null) {
if (document.getElementById("ALL_Diaries").Checked == true) {
arguments.IsValid = true
}
}



This bit works

if (document.getElementById("ALL_Diaries").Checked == true



But is doesn't get passed


if (document.getElementById("ALL_Diaries") !== null) {


because document.getElementById("ALL_Diaries") is null





Pam