[Javascript] More Questions: Navigation Control - No back but ton?

[Karau, Joe]

In this case, IF the user must first visit the "lead-up" pages before they
are supposed to deal with the "DB" page.  You could use session variables to
check.  For instance, the lead-up page could put a variable in the session
basically telling the server that this session can do the update.  Then,
before completing the database update, the server can check to see if the
variable is there, if it is do update, else tell user that they can not do
this (in some polite, constructive manner).  That way, if the user does get
to the log-out page, and presses back, and tries to perform the DB page
again, the server may prevent it.

If the user should only do this once per session, check for the existence of
a session variable before doing the update, if it is not there do update.
After completing update, put a variable in session.  Thus, they won't be
able to do update again.

Joseph Karau
Kingland Systems
joe.karau at kingland.com
507-536-3629
AIM: jkara3629


-----Original Message-----
From: Z. Franco [mailto:zeno at citrus.ucr.edu]
Sent: Thursday, June 21, 2001 12:25 PM
To: javascript at LaTech.edu
Subject: [Javascript] More Questions: Navigation Control - No back
button?


Ok,

Here is another question:  the script below (starting with window.open) asks
to open a new window based on these params...what I'd like to do is have
that command on the page that I am working from, rather than poping up a new
window.

Here's what it looks like now:


|lead-up pages|  -->	|DB page|		-->		|Log-out
Page|

Gives direction		gathers all info			Says, Thanks
a bunch
and gathers info		from lead up pages		Would you
like to
				and has a form for 		Go back
Home?
				more data.  Collects		(currently
the user can hit back and re-enter
data, and mess up my db)
				Everything and dumps
				to DB ...all this in
				ASP using VBS (sorry!)

To use the script below, I'd have to include it on the DB Page so that when
the submit button is hit, it dumps to the db AND asks to open the new window
without the full nav controls.  For simplicity's sake, I'd rather simply
send the user to the log out page, and have the logout page have the
direction to itself to limit the navigation controls.  Is this possible?

Thanks,


Zeno

>window.open('inicio.htm','inicio','fullscreen=no','menubar=yes','scrollbars
=
>yes','toolbar=no','location=yes');
>
>ANNNNNNNNNNNND
>
><script language="javascript">
>function noRightClick() {
>if (event.button==2) {
>alert('You can NOT Right-Click on this page -- but you CAN Left-Click.')
>}
>}
>document.onmousedown=noRightClick
></script>

This function works only in Explorer on Windows. For a more complete
function, see http://www.xs4all.nl/~ppk/js/index.html?improt.html .

ppk
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