function toggle_search(){

$('#top_search').toggle();
}
$(document).ready(function(){
$('.slider_top').slick({
  lazyLoad: 'ondemand',
  dots: true,
  infinite: true,
  slidesToScroll: 1,
  autoplay: true,
  autoplaySpeed: 3500,
  arrows: false
});
$('.slider_bottom').slick({
 dots: true,
  infinite: true, 
  speed: 300,
  autoplay: true,
  autoplaySpeed: 1500,
  slidesToShow: 1,
  centerMode: true,
  variableWidth: true,
  arrows: false
});
$("div#navbar").attr("aria-expanded", "false");
$("div#navbar").attr("class", "navbar-collapse collapse");
});