var curProductId = 0;

function ajaxAdd(productId) {
	if (curProductId && $('add' +curProductId))
		$('add' +curProductId).innerHTML = '';
	curProductId = productId;
		
	new Ajax.Updater('add' +productId, 'ajax_add_product.asp',
		{
			parameters:'add_product_id=' +productId, onComplete:function() {
				new Effect.Pulsate('add' +productId, { duration: 1.2 });
			}
		}
	);
	return false;
}