How can I use the 'accesskey' attribute in the pager component?

I need use the accesskey attribute in the pager component, at least to set the focus in the first link of it. In our corporate applications almost all components in the layouts, can be focused with a shortcut.
I set the 'accesskey="y"' attribute, but it doesn´t run.

What I´m doing bad?

I need your help urgently.

Thanks in advice.

Some components may need the

Some components may need the tabindex attribute as well for the accesskey to function.

Below is an example.

<b:pagerBar width="auto">
<b:pager for="id('sample-grid')" width="250px">
<b:pagerButton type="First"></b:pagerButton>
<b:pagerButton type="Previous"></b:pagerButton>
<b:pagerSeparator></b:pagerSeparator>
<b:pagerJumper></b:pagerJumper>
<b:pagerSeparator></b:pagerSeparator>
<b:pagerButton type="Next" accesskey="x" tabindex="1"></b:pagerButton>
<b:pagerButton type="Last" accesskey="y" tabindex="2"></b:pagerButton>
</b:pager>
</b:pagerBar>
</bjsf:script>