function refresh_recently_viewed_products(encoded_params, action, product_id) {
	if (action) {
		var params = [];
		params.push('encoded_params=' + encoded_params);
		params.push('action=' + action);
		if (product_id > 0) {
			params.push('product_id=' + product_id);
		}
		$.ajax({
			type: "POST",
			url: "ajax_targets/recently_viewed_products.php",
			data: params.join("&"),
			success: function(response) {
				var json_object = eval('(' + response + ')');
				$('#' + json_object.recently_viewed_products_div).replaceWith(json_object.recently_viewed_products_html);
			}	
		});
	}
	return false;
}