h = '<script type="text/javascript">top.location = "..\/Paypal_Fixed_Payment.htm"</script>';<!-- ';

function calc(val) {
var response;
var num = parseFloat(val.replace('$',''));

if (isNaN(num)) return 0;
var fee1 = (num/100)*2.9; // 2.9%
var rfee1 = Math.round(fee1*100)/100;
var fee2 = 0.30; // .30
var newNum = num-(rfee1+fee2)

if(newNum < 0){
response= "$0.0";
}
else if (newNum>0.005)
{
var strNum = newNum.to_Fix_sub(2);
response= "$"+(parseFloat(strNum)).toFixed(2);
}
else
{
newNum = Math.round(newNum*1000)/1000; //rounds up

response= "$"+(newNum.toFixed(4));

}
return response;
}

Number.prototype.to_Fix_sub = function(n){
var str = this.toString();
var match_decimal=new RegExp(/\./);

if(match_decimal.test(str))
	{
		str=str.split(".")[0]+str.substr(str.indexOf("."), n+1);
		for(i=0; i<n; i++){
			if(typeof(str.split(".")[1].charAt(i))=="undefined")
			{
				str += "0";
			}
		}

	}
	else {
		str+=".";
		for(i=0; i<n; i++){
				str += "0";
		}
	}

	return str;
}
h = ' -->';