function formatCurrency(num) {function CheckNumeric() {
num = num.toString().replace(/\$|\,/g, '');
if (isNaN(num))
num = "0";
sign = (num == (num = Math.abs(num)));
num = Math.floor(num * 100 + 0.50000000001);
pence = num % 100;
num = Math.floor(num / 100).toString();
if (pence < 10)
pence = "0" + pence;
for (var i = 0; i < Math.floor((num.length - (1 + i)) / 3) ; i++)
num = num.substring(0, num.length - (4 * i + 3)) + ',' + num.substring(num.length - (4 * i + 3));
return (((sign) ? '' : '-') + '£' + num + '.' + pence);
}
return event.keyCode > 47 && event.keyCode < 58 || event.keyCode == 46;
}
function FormatOtherAmount() {
var anotherAmount = document.getElementById('mainContent_txtOtherAmount');
document.getElementById('mainContent_txtOtherAmount').value = formatCurrency(anotherAmount.value);
}