function itung_beli(form)
{
		 var PAYMENT_AMOUNT = eval(form.jumlah.value);
		 var kursJual = new Array()
		 var z = 0
		 alert ('3ddd')
<?
$xKurensi = $db->get_results("SELECT * FROM tbl_kurensi WHERE status = 'AKTIF'");
foreach ( $xKurensi as $xk )
{
?>
			kursJual[z] = eval(<? echo $xk->kurs_jual; ?>)
			z = z + 1
			alert(z)
			
<?			
}
?>
		 var KURSDLRB = eval(<?echo $kursbgold;?>);
		 var KURSDLRJ = eval(<?echo $kursjgold;?>);
		 form.nilai.value = number_format(PAYMENT_AMOUNT*6,0,',','.');
		if (form.jenis[0].checked)
		{
		 form.rupiah.value = number_format(PAYMENT_AMOUNT*KURSDLRJ,0,',','.');
		}
		else {
		 form.rupiah.value = number_format(PAYMENT_AMOUNT*KURSDLRB,0,',','.');
		}
		return formCheck(form)
}

function number_format(a, b, c, d) {
	// number_format(number, decimals, comma, formatSeparator)
	a = Math.round(a * Math.pow(10, b)) / Math.pow(10, b);
	e = a + '';
	f = e.split('.');
	if(!f[0]) f[0] = '0';
	if(!f[1]) f[1] = '';
	if(f[1].length < b){
		g = f[1];
		for(i = f[1].length + 1; i <= b; i++) {
			g += '0';
		}
		f[1] = g;
 	}
	if(d != '' && f[0].length > 3) {
		h = f[0];
		f[0] = '';
		for(j = 3; j < h.length; j += 3) {
			i = h.slice(h.length - j, h.length - j + 3);
			f[0] = d + i +  f[0] + '';
		}
		j = h.substr(0, (h.length % 3 == 0) ? 3 : (h.length % 3));
		f[0] = j + f[0];
	}
	c = (b <= 0) ? '': c;
	return f[0] + c + f[1];
}