// Global user functions

function formatCurrency(num)
{
	num = num.toString().replace(/\$|\,/g, '');

	if (isNaN(num))
		num = "0";

	sign = (num == (num = Math.abs(num)));
	num = Math.floor(num * 100 + 0.50000000001);
	paisa = num % 100;
	num = Math.floor(num/100).toString();

	if (paisa < 10)
		paisa = "0" + paisa;

	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 + '.' + paisa);
}