LiveStreet CMS

function toggleBlock(idBlock, idToggler, classInactive) {
	classInactive = classInactive || 'inactive';
	var cookie = new Cookie(idBlock, {path: '/'}), obj = $(idBlock), link = $(idToggler);
	if (!cookie.read()) {
		obj.setStyle('display', 'none');
		link.addClass(classInactive);
	}
	link.addEvent('click', function() {
		this.toggleClass(classInactive);
		if (obj.getStyle('display') == 'none') obj.slide('hide').setStyle('display', 'block');
		obj.slide();
		if (this.hasClass(classInactive)) cookie.dispose(); else cookie.write(1);
		return!1;
	});
}

<div class="block">
	<h3 id="my-block-toggler">Тожлер блока</h3>
	<div id="my-block">
		Содержимое блока
	</div>
</div>

window.addEvent('domready', function() {
	toggleBlock('my-block', 'my-block-toggler');
});

window.addEvent('domready', ODKL.init);