Display first section only if an URL parameter is present
<script>
ijQuery(document).ready(function(){
console.log(document.location.search.length);
if (document.location.search.length) {
}
else {
$('.page-block').first().addClass('displaynone');
}
});
</script>
<style>
.displaynone {
display: none !important;
}
</style>