function Calculate(frm) {
    var order_total, length, width, i;
	order_total = 0;
	
	
	length = parseFloat(frm.length.value);
	width = parseFloat(frm.width.value);
	
	if (length > 0 && width > 0) {
		order_total = length * width;
		for (i = 0; i < frm.tooling.length; i++) {
			if (frm.tooling[i].value === "withouttooling" && frm.tooling[i].checked === true) {
				order_total = order_total * ".30";
			}
			if (frm.tooling[i].value === "withtooling" && frm.tooling[i].checked === true) {
				order_total = order_total * ".40";
			}
		}
		//order_total = order_total * .35
		order_total = order_total + 25;
	}
	else {
		order_total = 0;
	}
	
    // Run through all the form fields
    //for (var i=0; i < frm.elements.length; ++i) {

        // Get the current field
        //form_field = frm.elements[i]

        // Get the field's name
        //form_name = form_field.name

        // Is it a "product" field?
        //if (form_name.substring(0,4) == "PROD") {

            // If so, extract the price from the name
            //item_price = parseFloat(form_name.substring(form_name.lastIndexOf("_") + 1))

            // Get the quantity
            //item_quantity = parseInt(form_field.value)

            // Update the order total
            //if (item_quantity >= 0) {
                //order_total += item_quantity * item_price
            //}
        //}
    //}

    // Display the total rounded to two decimal places
    frm.totalcost.value = '$ ' + round_decimals(order_total, 2);
}

function round_decimals(original_number, decimals) {
    var result1 = original_number * Math.pow(10, decimals);
    var result2 = Math.round(result1);
    var result3 = result2 / Math.pow(10, decimals);
    return pad_with_zeros(result3, decimals);
}

function pad_with_zeros(rounded_value, decimal_places) {

    // Convert the number to a string
    var value_string = rounded_value.toString();
    
    // Locate the decimal point
    var decimal_location = value_string.indexOf(".");

    // Is there a decimal point?
    if (decimal_location == -1) {
        
        // If no, then all decimal places will be padded with 0s
        decimal_part_length = 0;
        
        // If decimal_places is greater than zero, tack on a decimal point
        value_string += decimal_places > 0 ? "." : "";
    }
    else {

        // If yes, then only the extra decimal places will be padded with 0s
        decimal_part_length = value_string.length - decimal_location - 1;
    }
    
    // Calculate the number of decimal places that need to be padded with 0s
    var pad_total = decimal_places - decimal_part_length;
    
    if (pad_total > 0) {
        
        // Pad the string with 0s
        for (var counter = 1; counter <= pad_total; counter++) {
            value_string += "0";
			}
        }
    return value_string;
}