Help with variable & link

[C4rtm4N]

Hi

I'm a total Javascript novice & am having a lot of issues trying top get a variable that I have have populated passed as part of a link.

The header of the page contains the following script which works fine ....
<script language="javascript">
var sid = prompt("Please enter the tracking id that you have been issued with. Without this no payments will be made", "");
</script>

But then when I try to use the 'sid' variable in the link below, it doesn't see to get passed. Clearly my syntax is wrong but all I've done is replace a working static value of QQQ with "+sid+" (including the quotes).
<script type="text/javascript" language="javascript" src="

http://www.dpbolvw.net/placeholder-1311498?sid="+sid+"&target=_blank&mouseover=N"></script>

What am I doing wrong ?

Thanks

Steve

 

[BillyRayPreachersSon]

If you're including the script line on the same page as thr prompt, then the variable will not have been populated before the script is included.

You'd need to either dynamically write out the script like after getting the sid, or post a form with the sid to that url (using the "get" method if you need it in the URL).

Hope this helps,
Dan



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[C4rtm4N]

Thanks Dan

Would it work if I was to replace sid with document.write(sid)? The example page that I looked at (

http://codepunk.hardwar.org.uk/bjs05.htm)

talks about the sid being poluated as the header of the page is loading so therefore it's available for when the body loads.

Steve

 

[BillyRayPreachersSon]

You could use document.write to write out the whole script tag with SID, yes - but not just sid by itself.

Give that a whirl and see how you go.

Hope this helps,
Dan



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[BillyRayPreachersSon]

Steve,

Did that work for you?

Dan



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[BillyRayPreachersSon]

Steve,

Did that work for you?

Dan



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[/tt]

 

[BillyRayPreachersSon]

Steve,

Did that work for you?

Dan



Coedit Limited - Delivering standards compliant, accessible web solutions

[tt]Dan's Page [blue]@[/blue] Code Couch

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[/tt]

 

[C4rtm4N]

Sorry Dan - I got sidetracked with another project & hadn't been back to check responses - I tried it last night & yes it worked.

Many Thanks

Steve