 		else
 			@skuData = {}
 			@sku = null
+
 		@update()
 
 	quantityChanged: (evt, productId, quantity) =>

	update: =>
		url = if @sku or @options.multipleProductIds then @getURL() else "javascript:alert('#{@options.errorMessage}');"
		@element.attr('href', url)

		@element.show()

		if @options.hideUnavailable and @skuData and @skuData.available is false

		if @options.multipleProductIds
			@manyProducts[productId].quantity = quantity
		else
			@quantity = quantity

		@update()

	accessoriesUpdated: (evt, productId, accessories) =>
