View file ajax/profileCover/index.js

function toggle(selector) {
	var elem = $(selector);
	var state = elem.css('display');
	if (state == 'none')elem.show(500);
	else elem.hide(500);
}

function selectCategory(catId) {
	$('.profileCoverSelectCategory').hide(500);
	toggle("#category" + catId);
}

function selectCover(coverId) {
	var cover = $(".profileCoverImage");
	$.ajax({
		url : '/ajax/profileCover/index.php', 
		method : 'GET', 
		data : {
			cover_id : coverId
		}
	}).done(function (data) {
			console.log(data);
			if (!data.error) {
				cover.animate({
					opacity : 0
				}, 300, function () {
					$(this).attr('src', data.coverSrc).animate({
						opacity : 1
					}, 300);
				});
			} else {
				alert(data.error);
			}
		});
}