You cann't from php but you can from javascript.
For exemple:
------------ file -------------------------------------------------

<script language="JavaScript">
Function insert_value(){
Document.form_name.text_box_name.value = javascript_value;

<form method="post" name="form_name">
<input name="text_box_name" value="">
<input type="button" name="INSERT" value="INSERT"

Now: when you click on button insert - then the javascript value insert
value into textbox.
If you open a window with a calendar and choose a value the syntax of
function will be:
"Window.opener.form_name.text_box_name.value = your_value; "
and close windows with

I hope this help you

-----Original Message-----
From: Tom [mailto:[EMAIL PROTECTED]] 
Sent: Monday, September 23, 2002 4:09 PM
Subject: [PHP] How do I use a Javascript variable in PHP?

Hi all,

I hope this is the right place to pose my question, so here goes: -

I have a javascript function called calcMonth() and given a number it
return a date i.e. month = calcMonth( 57 )   -  month will be 'sept

The problem I`m having is at the beginning of my PHP file I`m calling
calcMonth() then doing a load of php stuff and then trying to use the
javascript month variable, but to no avail: -

print "<td><input type=text class=claimreadonly readonly
name=POST_monthdisp value=javascript:month; size=10 tabindex=99></td>";

The result is, the browser displays the words 'javascript:month;' - not
a month number

I`ve looked everywhere for an answer from persistent javascript data to
using framesets to hold the variable but to no avail.

I know its quite a bit of javascript, but its mixed in  with PHP too so
I thought it`d be the right place.

Anyways, I hope someone can provide the answer to my problem.

Thanks in advance,


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