function removeProductAttribute (attributeId, url) {

	if (attributeId == '5') {
	message = "Installation is highly recommended on this product.\n\n";
	message += "Our installation service is provided by a qualified professional installation team who will, on an agreed date, come to your premises and deliver and install the equipment to a room of your choice on any floor.\n\n";
	message += "They will test the machine and take the packaging away to be recycled. \n\n";
	message += "If you do not require installation simply delete the Installation line from your order and click the update button to confirm your changes";

	if (window.confirm(message)) { 
		document.location = url;
	}

		return false;
	} else {
		return true;
	}
}