<!--

function CalculateTotal(frm) 
{
	var 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)
					
					//if(item_quantity > 12)
					//{
					//  No more restrictions on the number of tickets a person can buy
					//alert("12 tickets is the MAXIMUM order per person per concert.");
					//	return false;
					//}

          // Update the order total
          if (item_quantity >= 0) 
          {
            order_total += item_quantity * item_price
          }
        }
    }

    // Display the total rounded to two decimal places
    frm.TOTAL.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
}

//-->
