RE: cloneNode, Ad Rotation, caching, iframes - issue issues issuess

Thank you Ian.
 
You described my problem better than me :)
 
The issue that I am facing is also because when I call getAdTag(), it document.write's an iframe onto the page with src as an "external" url.
When that url is hit upon, it serves a page (from the external domain) with html that has 3 more iframes with src's to 3 different ads.
 
Now, if I capture this to a variable and move it into the cache, then move the cache to active area, because of the $rand thingie in the 3rd party url's, it is sending requests again and it's not giving a feel of picking it from cache.

I was thinking that if I use cloneNode(true) it will clone everything and keep it in cache but I was definitely wrong.
 
Any thoughts on this?
 
I am open to any thoughts you may have.
 
Thank you,
Mandy.
 
 

________________________________

From: [email protected] on behalf of Ian Petersen
Sent: Thu 3/30/2006 12:22 AM
To: [email protected]
Subject: Re: [wdf-dom] cloneNode, Ad Rotation, caching, iframes - issue issues issuess


Hi Mandy,

It sounds like you're having problems with cloneNode.  Is there a
reason you need to clone the ad?

As I understand it, your algorithm is like this:

1. download an ad into a cache
2. when the user makes an action, move the cached ad into the "active" area
3. goto 1

If that's right, then you're never going to re-use the node that
you're trying to clone.  Why not just move it?  In other words, use

cache.innerHTML = 'downloaded content'

to create the cache, and then

active.removeChild(active.firstChild)
active.appendChild(cache.removeChild(cache.firstChild))

to move the cached ad into the active area.

Anyway, it was just a thought.  Oh, and it's been a while since I've
worked with the DOM directly, so I don't know if my snippets will
actually work--they're just meant to be illustrations.

Ian

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