/*-----------------------------------------------------------------------------

 * Javascript Functions - CUSTOMIZED VERSION FOR ELAINE BROWN

 *-----------------------------------------------------------------------------

 * dynamic_product_prices.js

 *-----------------------------------------------------------------------------

 * Author:   Estelle Winterflood

 * Email:    cubecart@expandingbrain.com

 * Store:    http://cubecart.expandingbrain.com

 *

 * Date:     January 10, 2008

 * Compatible with CubeCart Version:  4.x.x

 *-----------------------------------------------------------------------------

 * SOFTWARE LICENSE AGREEMENT:

 * You must own a valid license for this modification to use it on your

 * CubeCart™ store. Licenses for this modification can be purchased from

 * Estelle Winterflood using the URL above. One license permits you to install

 * this modification on a single CubeCart installation only. This non-exclusive

 * license grants you certain rights to use the modification and is not an

 * agreement for sale of the modification or any portion of it. The

 * modification and accompanied documentation may not be sublicensed, sold,

 * leased, rented, lent, or given away to another person or entity. This

 * modification and accompanied documentation is the intellectual property of

 * Estelle Winterflood.

 *-----------------------------------------------------------------------------

 * DISCLAIMER:

 * The modification is provided on an "AS IS" basis, without warranty of

 * any kind, including without limitation the warranties of merchantability,

 * fitness for a particular purpose and non-infringement. The entire risk

 * as to the quality and performance of the Software is borne by you.

 * Should the modification prove defective, you and not the author assume 

 * the entire cost of any service and repair. 

 *-----------------------------------------------------------------------------

 */



function ale(f){var old = window.onload;if (typeof window.onload != 'function') {window.onload = f;} else {window.onload = function() {old();f();}}}function st(e,t){if(e) {e.innerText = t;e.textContent = t;}}function gv(o){var a = [];for(var i=0; i<o.length; ++i) {for(var j=0; o[i] && j<o[i].length; ++j) {if (o[i][j].options)a.push(o[i][j].options[o[i][j].selectedIndex].value);else if (o[i][j].checked)a.push(o[i][j].value);else if (o[i][j].length) {for(var k=0; o[i][j] && k<o[i][j].length; ++k) {if (o[i][j][k].options)a.push(o[i][j][k].options[o[i][j][k].selectedIndex].value);else if (o[i][j][k].checked)a.push(o[i][j][k].value);}}}}return a;}

function sh(e,h){if(e) { e.innerHTML = h;e.htmlContent = h; }}



// Safe guard - prevent javascript errors from incorrect installation

function dpCheckInstallation(showAlert)

{

    if (typeof dp_options == 'undefined'

            // global store settings

            || typeof dp_usePP == 'undefined'

            || typeof dp_useQE == 'undefined'

            || typeof dpFormatPrice == 'undefined'

            // product settings

            || typeof dp_price == 'undefined'

            || typeof dp_element == 'undefined'

            || typeof dp_optionPrices == 'undefined'

            || typeof dp_optionSymbols == 'undefined'

            || typeof dp_options == 'undefined') {

        // if these javascript variables are not set -- indicates installation error!

        if (showAlert) alert("Message for the store owner...\n\nDynamic Product Prices has not been installed correctly, make sure all new files are uploaded successfully then carefully check:\n- styleTemplates/content/viewProd.tpl");



        return false;

    }

    return true;

}



function dpUpdatePrice()

{

    if (!dpCheckInstallation(true)) {

        return;

    }



    var price = dp_price;

    var priceChange = 0;

    var rateChange = 0;



    var a = gv(dp_options);

    for (var i=0; i<a.length; ++i) {

        if (a[i] in dp_optionPrices) {

            var optPrice = dp_optionPrices[a[i]];

            var optSymbol = dp_optionSymbols[a[i]];

            /* Integration with Percentage Price Product Options */

            if (dp_usePP && optSymbol=='%') {

                rateChange += optPrice / 100;

            } else if (optPrice > 0) {

                if (optSymbol=='+') priceChange += optPrice;

                else if (optSymbol=='-') priceChange -= optPrice;

                /* Integration with Quick Edit Product Options */

                else if (dp_useQE && optSymbol=='=') price = optPrice;

            }

        }

    }

    if (rateChange != 0.0) price = price + (price * rateChange);  /* Percentage Price Product Options */

    price = price + priceChange;



    var sp = document.getElementById(dp_element);

    st(sp,dpFormatPrice(price));



    // start customizations for Elaine Brown

    var vat_price = price * 0.175;

    var sv = document.getElementById('vat_price');

    if (sv) {

        st(sv,dpFormatPrice(vat_price));

    }

    // end customizations for Elaine Brown

}