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[4937]=new paymentOption(4937,"A4 unmounted","20.00");paymentOptions[4936]=new paymentOption(4936,"A3 unmounted","30.00");paymentOptions[4938]=new paymentOption(4938,"A2 unmounted","60.00");var paymentGroups=new Object();paymentGroups[1293]=new paymentGroup(1293,"Not for sale","");paymentGroups[1281]=new paymentGroup(1281,"Prints","4937,4936,4938");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};