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/*
This source is shared under the terms of LGPL 3
www.gnu.org/licenses/lgpl.html

You are free to use the code in Commercial or non-commercial projects
*/

 //Set up an associative array
 //The keys represent the binding
 var binding_prices = new Array();
 binding_prices["hardcover"]=5;
 binding_prices["softcover"]=4;
 binding_prices["brochure"]=3;
 binding_prices["sbinding"]=2;

 //Set up an associative array
 //The keys represent the pages
 var pages_prices= new Array();
 pages_prices["25pages"]=0;
 pages_prices["50pages"]=5;
 pages_prices["75pages"]=5;
 pages_prices["100pages"]=7;
 pages_prices["125pages"]=8;
 pages_prices["150pages"]=10;
 pages_prices["175pages"]=5;
 pages_prices["200pages"]=9;
 pages_prices["225pages"]=5;
 pages_prices["250pages"]=5;
 pages_prices["275pages"]=8;
 pages_prices["300pages"]=7;

 //Set up an associative array
 //The keys represent the pages
 var quantity_prices= new Array();
 quantity_prices["30pcs"]=8;
 quantity_prices["50pcs"]=7;
 quantity_prices["100pcs"]=5;
 quantity_prices["200pcs"]=3;
 quantity_prices["300pcs"]=0;

function getBindingPrice()
{
    var bindingPrice=0;
    //Get a reference to the form id="choice_books"
    var theForm = document.forms["choice_books"];
    //Get a reference to the select id="binding"
     var selectedBinding = theForm.elements["binding"];

    bindingPrice = binding_prices[selectedBinding.value];

    return bindingPrice;
}

function getPagesPrice()
{
    var pagesPrice=0;
    //Get a reference to the form id="choice_books"
    var theForm = document.forms["choice_books"];
    //Get a reference to the select id="binding"
     var selectedPages = theForm.elements["pages"];

    pagesPrice = pages_prices[selectedPages.value];

    return pagesPrice;
}

function getQuantityPrice()
{
    var quantityPrice=0;
    //Get a reference to the form id="choice_books"
    var theForm = document.forms["choice_books"];
    //Get a reference to the select id="binding"
     var selectedQuantity = theForm.elements["quantity"];

    quantityPrice = quantity_prices[selectedQuantity.value];

    return quantityPrice;
}

function calculateTotal()
{
    //Here we get the total price by calling our function
    //Each function returns a number so by calling them we add the values they return together
    var bookPrice = getBindingPrice() + getPagesPrice() + getQuantityPrice();

    //display the result
    var divobj = document.getElementById('totalPrice');
    divobj.style.display='block';
    divobj.innerHTML = "Gesamtpreis €"+cakePrice;

}

function hideTotal()
{
    var divobj = document.getElementById('totalPrice');
    divobj.style.display='none';
}