Javascript variable in php

[Anon]

Hi there
I have a small piece of code that works like this:
1. a page opens which has a list of news which i have to send to registered users. the news to be send is selected by a checkbox.

2. against each news, there appears a link with the number of users registered for that particular newsgroup.Eg:

|| NEWS1 DATE 124

                        | SEND EMAIL |

---

124 is the number of users registered for "NEWS1", which has a link. the link provides me with a pop up, which has the list of users and checkbox, against each user. by default, i can send emails to all the users, and if i wish to edit the list of recieving emails, i can uncheck the user in the popup,who wont get the email.
this is done using normal javascript, and the opener window can read the list of users frm the pop up in javascript.
i now already have the users list in the opener window, in javascript. i wish to pass this javascript variable, into php to the next page.
a.) how do i do this ??
b.) i want to pass the javascript variable as a hidden field to the main form of the opener window.
Please someone, help me on this.
Thanks in advance.
bye
live 'n' love - Bhushan

[Anon]

Hi Bhushan,

To set a hidden form field value, you would use - from the popup window:

Assume that your main form (in the OPENER window) is called "form1, and you a hidden form field called "recipient_list"; I am also assuming your javascript variable is an array of user ids...

Use the following code in the popup window:

...

<input type="button" value="Set Recipients" onClick="window.opener.document.forms.form1.recpient_list.value=recipient_list_array">

...

window.opener points to the window that opened "this" popup window.

Rememeber that the php variable $recipient_list will be a comma-delimited string when received by the following page, so use $recipient_array = explode(',', $recipient_list) to convert to an array if needed.

Regards
Ulrik

[Anon]

Hi Ulrik,
Thanks a zillion for ur advice. i used the code in the popup window.
But the problem is i get a javascript error which describes "window.opener.document.forms.form1.recpient_list.value" is null or not an object!!
(variable names as suggested by u)
Its not able to read the variable inside the form of opener window.
Please F1 ! F1 ! F1 ! F1 ! F1 ! F1 !
Regards
Bhushan

[Anon]

You're welcome...

Here are some possible reasons why you would hget that error message:

1. The form on you opener window does not have the NAME attribute as "form1"
   i.e. <form action="action_page.html" name ="form1" method="POST">

2. I noticed you spelt "recipient" as recpient; if you have the hidden field on your opener window form named differently, then you will get a 'null or not an object' error message, since javascript can't find the form field (treated as a javascript object).

should be: <input type="hidden" name="recipient_list">

hyope this helps

[Anon]

Hi Ulrik,
Thanks for the same, but the names in my program are not the same as what given by u. i just gave u the example of the variables which u have mentioned.
anyway, the problem has been solved now. the whole idea has been dropped and the client insists me to use a table frm the database to store the values, which will help him to refer to the sender's list(stored in the database) for future reference.
Thanks a lot for ur help !
Happy programming
bye
live 'n' love - Bhushan