function paymentOption(c,a,b){this.id=c;this.payment_option=a;this.price=b}function paymentGroup(c,b,a){this.id=c;this.payment_group=b;this.options=a.split(",")}function updateItemValues(a,b){a.amount.value=paymentOptions[b].price;a.item_name.value=(paymentOptions[b].payment_option).replace(/&quot;/g,'"')}var paymentOptions=new Object();paymentOptions[40647]=new paymentOption(40647,"Stafford Beer; a Personal Memoir","8.95");paymentOptions[40652]=new paymentOption(40652,"Oxfordshire Place-Names","6.99");paymentOptions[40648]=new paymentOption(40648,"Tony O'Malley: an Irish Artist in Cornwall","12.99");paymentOptions[40649]=new paymentOption(40649,"Stonelight: Words in Place, Images of Time","14.99");paymentOptions[40650]=new paymentOption(40650,"Zawn Lens: Words and Images from West Cornwall","9.99");paymentOptions[40651]=new paymentOption(40651,"Cotswold Place-Names","6.99");paymentOptions[51159]=new paymentOption(51159,"Think Before you Think","20.00");paymentOptions[40654]=new paymentOption(40654,"Greetings Cards","8.00");var paymentGroups=new Object();paymentGroups[12581]=new paymentGroup(12581,"A3 prints","");paymentGroups[12582]=new paymentGroup(12582,"A4 prints","");paymentGroups[12580]=new paymentGroup(12580,"Books","40647,40652,40648,40649,40650,40651,51159");paymentGroups[12578]=new paymentGroup(12578,"Greetings Cards","40654");function getPaymentOptions(a){var b="";if(paymentGroups[a].options[0]!=""){for(var c in paymentGroups[a].options){paymentOption=paymentOptions[paymentGroups[a].options[c]];b=b+'<option  value="'+paymentOption.id+'">'+paymentOption.payment_option+" - 				&pound;"+paymentOption.price+"</option>"}}return b};