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[304]=new paymentOption(304,"A4 (21 by 30cms, 8&quot; by 12&quot;)","18.50");paymentOptions[305]=new paymentOption(305,"A3 (30 by 42 cms, 12&quot; by 16&quot;)","27.50");paymentOptions[306]=new paymentOption(306,"A2 Unmounted (42 by 60 cms, 16&quot; by 24&quot;)","40.00");paymentOptions[567]=new paymentOption(567,"Unmounted 75 by 50 cms, 30&quot; by 20&quot;","60.00");var paymentGroups=new Object();paymentGroups[0]=new paymentGroup(0,"Default group","304,305,306,567");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};