Can disable/deactivate/turn-off the sidebar with CSS - but can't re-enable.

I'm iFraming a confluence landing page in a mashery portal. The mashery page isn't full screen so I want to turn off the side bar - just for the landing page, then re-enable as soon as the visitor goes to another page in confuence.

The disable works, but wierdly not the re-enable. It shouldn't even carry on to the second page, but it does and even when I try to turn it on, it won't. Any ideas?

Here is how I disable using a HTML macro on the page.

<style type="text/css">
.breadcrumb-section {display: none !important;}
#splitter-sidebar  {display: none !important;}

Then, on the subsequent page, I do the opposite and re-enable those elements (this doesn't work - side bar still disabled)

<style type="text/css">
.breadcrumb-section {display: inline !important;}
#splitter-sidebar  {display: inline  !important;}

Any ideas or have a bit of JavaScript that will re-enable it?

1 answer

Genius beside me solved it.

When the sidebar is disabled, a cookie is written to storage, which persists across pages.

To re-enable the side-bar then, just remove the cookie as the page unloads:

<script type="text/javascript">
var wunload = window.onunload;

window.onunload= function(e) {
    document.cookie = 'doc-sidebar=; expires=' + (new Date(0)).toUTCString() + '; path=/;';

    if (wunload !== undefined && typeof wunload === 'function') {

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