function cur(a)
{
	a+='';
	a+=(a.indexOf(".")==-1 ? ".":"")+"00";
	return a.substring(0,a.indexOf(".")+3);
}

base=3.99;
maxdiscount=50;
minpurchase=4320;

/*
terms = [
{name:'1 Month', discount:0, period:1},
{name:'3 Months', discount:5, period:3},
{name:'6 Months', discount:10, period:6},
{name:'1 Year', discount:15, period:12}
];

qty = [
{qty:1, discount:0},
{qty:3, discount:15},
{qty:10, discount:30},
{qty:20, discount:50}
];
*/

function calcdiscount(qty, term)
{
	var a = (qty*term/30-1)/1;
	if (a<0) return 0;
	return (a>maxdiscount) ? maxdiscount : Math.round(a);
}

terms = [
{name:'1 Month', period:30},
{name:'3 Months', period:91},
{name:'6 Months', period:182},
{name:'1 Year', period:364},
{name:'2 Years', period:728}
];

qty = [
{qty:1},
{qty:3},
{qty:10},
{qty:20},
{qty:60},
];