var price_with_options_ajax_call = function() {
				$.ajax({
					type: 'POST',
					url: 'index.php?route=product/live_options/index&product_id=1279',
					data: $('#content input[type=\'text\'], #content input[type=\'hidden\'], #content input[type=\'radio\']:checked, #content input[type=\'checkbox\']:checked, #content select, #content textarea'),
					dataType: 'json',
					beforeSend: function() {
						// you can add smth useful here
					},
					complete: function() {
						// you can add smth useful here
					},
					success: function(json) {
						if (json.success) {
							if ($('#content .price-tax').length > 0 && json.new_price.tax) {
								animation_on_change_price_with_options('#content .price-tax', json.new_price.tax);
							}
							if ($('#content .price-new').length > 0 && json.new_price.special) {
								animation_on_change_price_with_options('#content .price-new', json.new_price.special);
							}
							if ($('#content .price-old').length > 0 && json.new_price.price) {
								animation_on_change_price_with_options('#content .price-old', json.new_price.price);
							}
							// points
							if ($('#content .spend-points').length > 0 && json.new_price.points) {
								animation_on_change_price_with_options('#content .spend-points', json.new_price.points);
							}
							// reward
							if ($('#content .get-reward').length > 0 && json.new_price.reward) {
								animation_on_change_price_with_options('#content .get-reward', json.new_price.reward);
							}
						}
					},
					error: function(error) {
						console.log('error: '+error);
					}
				});
			}
			
			var animation_on_change_price_with_options = function(selector_class_or_id, new_html_content) {
				$(selector_class_or_id).fadeOut(150, function() {
					$(this).html(new_html_content).fadeIn(50);
				});
			}

			if ( jQuery.isFunction(jQuery.fn.on) ) 
			{
				$(document).on('change', '#content input[type=\'text\'], #content input[type=\'hidden\'], #content input[type=\'radio\']:checked, #content input[type=\'checkbox\'], #content select, #content textarea, .product-info input[name=\'quantity\']', function () {
					
					var cur_opt = $(this);
					$('#product input[type="radio"]').prop('checked', false);
					cur_opt.prop('checked', true);

					price_with_options_ajax_call();
				});
			} 
			else 
			{
				$('#content input[type=\'text\'], #content input[type=\'hidden\'], #content input[type=\'radio\']:checked, #content input[type=\'checkbox\']:checked, #content select, #content textarea, .product-info input[name=\'quantity\']').live('change', function() {

					var cur_opt = $(this);
					$('#product input[type="radio"]').prop('checked', false);
					cur_opt.prop('checked', true);
					
					price_with_options_ajax_call();
				});
			}