Fórum OpenCart Brasil

function addToCart(product_id, quantity) {
	quantity = typeof(quantity) != 'undefined' ? quantity : 1;

	$.ajax({
		url: 'index.php?route=checkout/cart/add',
		type: 'post',
		data: 'product_id=' + product_id + '&quantity=' + quantity,
		dataType: 'json',
		success: function(json) {
			$('.success, .warning, .attention, .information, .error').remove();
			
			if (json['redirect']) {
				location = json['redirect'];
			}
			
			if (json['success']) {
				$('#notification').html('<div class="success" style="display: none;">' + json['success'] + '<img src="catalog/view/theme/default/image/close.png" alt="" class="close" /></div>');
				
				$('.success').fadeIn('slow');
				
				$('#cart-total').html(json['total']);
				
				$('html, body').animate({ scrollTop: 0 }, 'slow'); 
				
			}	
		}
	});
}

//--></script> 
<script type="text/javascript"><!--
$('#button-cart').bind('click', function() {
	$.ajax({
		url: 'index.php?route=checkout/cart/add',
		type: 'post',
		data: $('.product-info input[type=\'text\'], .product-info input[type=\'hidden\'], .product-info input[type=\'radio\']:checked, .product-info input[type=\'checkbox\']:checked, .product-info select, .product-info textarea'),
		dataType: 'json',
		success: function(json) {
			$('.success, .warning, .attention, information, .error').remove();
			$('.option input, .option textarea').removeClass("input-error");
			
			if (json['error']) {
				if (json['error']['option']) {
					for (i in json['error']['option']) {
						$('#option-' + i + ' input, #option-' + i + ' textarea').addClass("input-error");
						$('#option-' + i).after('<span class="error" style="clear:both;position:relative;margin-top:8px;padding-bottom:4px">' + json['error']['option'][i] + '</span>');
					}
				}
			} 
			
			if (json['success']) {
				$('#notification').html('<div class="notification"><div class="close"></div>' + json['success'] + '</div>');
				
				$('#cart_block').load('index.php?route=module/cart #cart_block > *');
					
				$('.success').fadeIn('slow');
									
			}	
		}
	});
});
//--></script>

if (json['success']) {