Ответ 1
Ниже показано, как это решение в вашем вопросе должно быть настроено для работы (здесь я использую iframe для имитации ваших объявлений).
$("#sidebar").stick_in_parent({
offset_top: 15,
parent: ".content", // note: we must now manually provide the parent
spacer: ".sticky-spacer",
});
// the following code is the workaround so that the sticky element does not disappear when bottom -
// taken from: https://github.com/leafo/sticky-kit/issues/31 danxshap
$('#id_side_advert_container')
.on('sticky_kit:bottom', function(e) {
$(this).parent().css('position', 'static');
})
.on('sticky_kit:unbottom', function(e) {
$(this).parent().css('position', 'relative');
})
.content {
overflow: hidden;
}
.content .sidebar {
width: 200px;
margin: 10px;
margin-right: 0;
float: left;
overflow: hidden;
font-family: sans-serif;
}
.content .main {
margin: 10px;
margin-left: 222px;
border: 1px solid blue;
height: 2000px;
overflow: hidden;
}
.footer {
margin: 10px;
text-align: center;
font-size: 13px;
border-top: 1px dashed #dadada;
color: #666;
padding-top: 10px;
min-height: 233px;
}
.sub {
color: #999;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<script src="https://cdn.rawgit.com/leafo/sticky-kit/v1.1.2/jquery.sticky-kit.min.js"></script>
<h1>Example sticky flicker fix</h1>
<div class="content">
<div class="sticky-spacer">
<div id="sidebar" class="sidebar">
<em>Ads go here. <span style="color:maroon">Demo'ing with an iFrame instead.</span></em>
<iframe frameborder="0" scrolling="no" width="100%" height="100%" src="https://unsplash.it/200/200" name="imgbox" id="imgbox">
<p>iframes are not supported by your browser.</p>
</iframe>
</div>
</div>
<div class="main">
This is the main column
<p class="sub">
Lorem ipsum dolor sit amet, consectetur adipiscing elit. Cras tempus id leo et aliquam. Proin consectetur ligula vel neque cursus laoreet. Nullam dignissim, augue at consectetur pellentesque, metus ipsum interdum sapien, quis ornare quam enim vel ipsum.
</p>
<p class="sub">
In congue nunc vitae magna tempor ultrices. Cras ultricies posuere elit. Nullam ultrices purus ante, at mattis leo placerat ac. Nunc faucibus ligula nec lorem sodales venenatis. Curabitur nec est condimentum, blandit tellus nec, semper arcu. Nullam in
porta ipsum, non consectetur mi. Sed pharetra sapien nisl. Aliquam ac lectus sed elit vehicula scelerisque ut vel sem. Ut ut semper nisl.
</p>
<p class="sub">
Curabitur rhoncus, arcu at placerat volutpat, felis elit sollicitudin ante, sed tempus justo nibh sed massa. Integer vestibulum non ante ornare eleifend. In vel mollis dolor.
</p>
</div>
</div>
<div class="footer">
My very tall footer!
</div>