function CalculatePrice(sizeBox, paperBox, priceBox, pricesBox)
{
    var size = sizeBox.value;
    var paper = paperBox.value;
    var amount = 1; 
    var price = GetPrice(size, paper, pricesBox.value);
    priceBox.value = price;
}

function CalculatePriceBackup(sizeBox, paperBox, amountBox, priceBox, pricesBox)
{
    var size = sizeBox.value;
    var paper = paperBox.value;
    var amount = 1; //amountBox.value;
    var price = GetPrice(size, paper, pricesBox.value);
    //var isNumb = !isNaN(amount) && !isNaN(price);;
    //if (isNumb)
    //{
        priceBox.value = price; // * amount;
    //}
    //else
    //{
    //    priceBox.value = "NaN";
    //}
}

function GetPrice(s, p, prices)
{
    var sizePaperPrice = "#" + s + "_" + p + ":";
    var index = prices.indexOf(sizePaperPrice); 
    var index2 = prices.indexOf("#", index + 1);
    index = index + sizePaperPrice.length;
    var price = prices.substring(index, index2);
    return price;
}

function DoConfirmation(question)
{
    return confirm(question);
}