function resetForm() {
    document.CalCost.reset();
}

function formatCurrency(num) {
num = num.toString().replace(/\$|\,/g,'');
if(isNaN(num)) num = "0";
cents = Math.floor((num*100+0.5)%100); num = Math.floor(num).toString();
if(cents < 10) cents = "0" + cents; 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 ('$' + num + '.' + cents);}

function calc(form) {
  var a, b;
  //a = eval(document.CalCost.annual_wage.value);
  a_comma = document.CalCost.annual_wage.value.replace(",","");
  a = a_comma.replace("$", "");
  parseInt(a);
  b = document.CalCost.employ_num.value.replace(",","");
  parseInt(b);

  document.CalCost.turnover_cost.value = ((a *.25)+ ((a * .30)* .25)) * b;

  document.CalCost.turnover_cost.value=formatCurrency(document.CalCost.turnover_cost.value);
}