/* This script is Copyright (c) Paul McFedries and 
Logophilia Limited (http://www.mcfedries.com/).
Permission is granted to use this script as long as 
this Copyright notice remains in place.*/


function CalcTotal(frm) {
    var order_total = 0;
	var k = 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_id = form_field.id

        // Is it a "product" field?
        if (form_id.substring(0,4) == "PROD") {
		    // If so, extract the price from the name
            item_price = parseFloat(form_id.substring(form_id.lastIndexOf("_") + 1))

            // Get the quantity
			if (form_field.name == "Betaalwijze") {
				item_quantity = 0;
				//for (var k=0; k < frm.Betaalwijze.length; k++) {
					
					//if (frm.Betaalwijze[k].checked)
					if (form_field.checked)
						{
							item_price = parseFloat(frm.Betaalwijze[k].id.substring(form_id.lastIndexOf("_") + 1));
							frm.strBackUrlSite.value = frm.Betaalwijze[k].thanks;
							frm.Extra.value = round_decimals(item_price, 2);
							item_quantity = 1;
							if (k==0){
							frm.Levering.value = "U kunt het totaal bedrag overmaken op rekeningnummer:613386477, tnv H.J. Timmerman te Warnsveld. Zodra het gehele bedrag is overgemaakt zal het pakket dezelfde dag worden verstuurd." ;
							}
							if (k==1){
							frm.Levering.value = "U bestelling zal vandaag onder rembours worden verzonden.";
							}
							if (k==2){
							frm.Levering.value = "U kunt uw bestelling afhalen tijdens werkuren en op zaterdag.";
							}
							
						}						
				
				//}
			    k++;
            
			}
			else {	
            item_quantity = parseInt(form_field.value);
			tmp_val=(item_quantity * item_price);
			frm.Bedrag.value = round_decimals(tmp_val, 2);
			
			}
            // Update the order total
            if (item_quantity >= 0) {
                order_total += item_quantity * item_price
            
			}
        }
    }

    // Display the total rounded to two decimal places
    frm.Totaal.value = round_decimals(order_total, 2)
}







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
			if (form_field.type == "radio") {
				item_quantity = 0;
				for (var k=0; k < form_field.length; k++) {
					
					if (form_field.name[k].checked)
						{
							item_quantity = parseInt(form_field.name[k].value)
						}						
				}
			}
			else {	
            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.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
}