function calculate()
	{
		if (document.calculator.contrib.value == "" || document.calculator.contrib.value == 0)
			{
				window.alert("Please enter a contribution amount");
				var errors = "True";
			}
			
			/*if (document.calculator.state_tax.value == "" || document.calculator.state_tax.value == 0)
			{
				window.alert("Please enter a contribution amount");
				var errors = "True";
			}*/
	//grab varialbes
	var var_contrib = parseFloat(document.calculator.contrib.value);
	//window.alert("var contrib ="+var_contrib);
	var var_fed_tax = parseInt(document.calculator.fed_tax.value);
	//window.alert("var_fed_tax = "+var_fed_tax);
	var var_state_tax = parseInt(document.calculator.state_tax.value);
	//window.alert("var_state_tax = " + var_state_tax);
	//numbers section
	
	var tax = (var_fed_tax + var_state_tax) / 100;
	//window.alert("tax ="+tax);
	var total = var_contrib * tax;
	//window.alert("total = "+total);
	var var_fixed_total = CurrencyFormatted(total);
	//window.alert("Your tax savings will be $"+var_fixed_total);
	if (errors != "True")
		{
	document.all.status1.innerHTML = ("<strong>Your tax savings will be $"+var_fixed_total+"</strong>");
		}
	}
function numbercheck()
{
		var string1=document.calculator.contrib.value
		if (string1.indexOf("[^0-999]")==1)
			{
				window.alert("Please input a valid amount!")
			}
}

function CurrencyFormatted(amount)
{
	var i = parseFloat(amount);
	if(isNaN(i)) { i = 0.00; }
	var minus = '';
	if(i < 0) { minus = '-'; }
	i = Math.abs(i);
	i = parseInt((i + .005) * 100);
	i = i / 100;
	s = new String(i);
	if(s.indexOf('.') < 0) { s += '.00'; }
	if(s.indexOf('.') == (s.length - 2)) { s += '0'; }
	s = minus + s;
	return s;
}

function checkcontrib(){
	if (document.calculator.contrib.value == "" || document.calculator.contrib.value == 0){
		window.alert("Please enter a contribution amount");
		var errors = "True";
		return errors;
	}
}