orderPersister = {
	// remembers data from orderForm for later use
	
	orderForm: {
		id:          "orderForm",
		node:        null
	},
	
	fields: {
		company: {
			id:       "order_company",
			cookie:   "orderPersister_company",
			node:     null
		},
		street: {
			id:       "order_street",
			cookie:   "orderPersister_street",
			node:     null
		},
		town: {
			id:       "order_town",
			cookie:   "orderPersister_town",
			node:     null
		},
		postCode: {
			id:       "order_postcode",
			cookie:   "orderPersister_postcode",
			node:     null
		},
		phone: {
			id:       "order_phone",
			cookie:   "orderPersister_phone",
			node:     null
		},
		email: {
			id:       "order_email",
			cookie:   "orderPersister_email",
			node:     null
		},
		cellPhone: {
			id:       "order_cellphone",
			cookie:   "orderPersister_cellphone",
			node:     null
		},
		fax: {
			id:       "order_fax",
			cookie:   "orderPersister_fax",
			node:     null
		},
		billCompany: {
			id:       "order_company2",
			cookie:   "orderPersister_billCompany",
			node:     null
		},
		billStreet: {
			id:       "order_street2",
			cookie:   "orderPersister_billStreet",
			node:     null
		},
		billTown: {
			id:       "order_town2",
			cookie:   "orderPersister_billTown",
			node:     null
		},
		billPostCode: {
			id:       "order_postcode2",
			cookie:   "orderPersister_billPostcode",
			node:     null
		},
		billInfo: {
			id:       "order_info2",
			cookie:   "orderPersister_billInfo",
			node:     null
		},
		ico: {
			id:       "order_ico",
			cookie:   "orderPersister_ico",
			node:     null
		},
		dic: {
			id:       "order_dic",
			cookie:   "orderPersister_dic",
			node:     null
		}
	},
	
	init: function(orderForm) {
		// fields are set by id, so there can be only one orderPersister per page
		if (typeof orderForm == "undefined") {
			orderPersister.orderForm.node = elm.get(orderPersister.orderForm.id);
		} else {
			orderPersister.orderForm.node = elm.get(orderForm);
		}
		if (orderPersister.orderForm.node == null) return false; // init failed
		var i;
		for (i in orderPersister.fields) {
			orderPersister.fields[i].node = elm.get(orderPersister.fields[i].id);
		}
		orderPersister.setFieldValues(); // reads values from cookies and sets form fields
		evt.add(orderPersister.orderForm.node, "submit", orderPersister.saveFieldValues);
		return true;
	},
	
	setFieldValues: function() {
		var i, cookieVal;
		for (i in orderPersister.fields) {
			if (orderPersister.fields[i].node != null) {
				cookieVal = cook.get(orderPersister.fields[i].cookie);
				if (cookieVal == null) cookieVal = "";
				elm.setValue(orderPersister.fields[i].node, cookieVal);
			}
		}
		return true;
	},
	
	saveFieldValues: function() {
		var i;
		for (i in orderPersister.fields) {
			if (orderPersister.fields[i].node != null) {
				cook.set(
					orderPersister.fields[i].cookie,
					elm.getValue(orderPersister.fields[i].node),
					365
				);
			}
		}
		return true;
	}
}