// Back to top
$('a.top').click(function (e) {
 e.preventDefault();
 $(document.body).animate({scrollTop: 0}, 800);
});

<!-- Create an anchor tag -->
<a class="top" href="#">Back to top</a>

$.preloadImages = function () {
 for (var i = 0; i < arguments.length; i++) {
 $('img').attr('src', arguments[i]);
 }
};
$.preloadImages('img/hover-on.png', 'img/hover-off.png');

$('img').load(function () {
 console.log('image load successful');
});

$('img').on('error', function () {
 $(this).prop('src', 'img/broken.png');
});

$('.btn').hover(function () {
 $(this).addClass('hover');
 }, function () {
 $(this).removeClass('hover');
 });

$('.btn').hover(function () {
 $(this).toggleClass('hover');
});

$('a.no-link').click(function (e) {
 e.preventDefault();
});

// Fade
$('.btn').click(function () {
 $('.element').fadeToggle('slow');
});
// Toggle
$('.btn').click(function () {
 $('.element').slideToggle('slow');
});

// Close all panels
$('#accordion').find('.content').hide();
// Accordion
$('#accordion').find('.accordion-header').click(function () {
 var next = $(this).next();
 next.slideToggle('fast');
 $('.content').not(next).slideUp('fast');
 return false;
});

$('.div').css('min-height', $(.main-div).height());
var $columns = $('.column');
var height = 0;
$columns.each(function () {
 if ($(this).height() > height) {
 height = $(this).height();
 }
});
$columns.height(height);

var $rows = $('.same-height-columns');
$rows.each(function () {
 $(this).find('.column').height($(this).height());
});

$('a[href^="http"]').attr('target','_blank');
$('a[href^="//"]').attr('target','_blank');
$('a[href^="'+window.location.origin+'"]').attr('target','_self');

var search = $('#search').val();
$('div:not(:contains("'+search+'"))').hide();