function calculatePayrolls() {
	var arr_annual_payrolls = document.form.elements["annual_payrolls[]"];
	var sum = 0;
	for(i=0;i<arr_annual_payrolls.length;i++) {
	sum = sum + Math.round(arr_annual_payrolls[i].value);
	}
	document.getElementById('payrollsResult').innerHTML = '$'+sum;
	document.getElementById('payrollsResultHidden').value = '$'+sum;
	}
	function calculateEmployees() {
	var arr_employees = document.form.elements["employees[]"];
	var sum = 0;
	for(i=0;i<arr_employees.length;i++) {
	sum = sum + Math.round(arr_employees[i].value);
	}
	document.getElementById('employeesResult').innerHTML = sum;
	document.getElementById('employeesResultHidden').value = sum;
}