Menu Image jQuery

gistfile1.js

jQuery(document).ready(function($) {
			items = $('#menu-main-menu-1 li');
			$.each(items, function() {
				parent = $(this);
				target = $(parent).find('.sub-menu-item-image');
				image = $(parent).find('img');
				src = $(image).prop('src');
				$(target).html("<img class='menu-image' src='" + src + "' alt='menu image'>");
				$(image).hide();
			});
		});