function launchFinanceCalc(proceedBtn) {
    var proceedBtn = proceedBtn && proceedBtn == 1 ? 1 : 0;
    var financeBox = new bumbleBox('SITE_PATH?page_type=finance_calc&proceedbtn=' + proceedBtn, '0% Finance - Buy today and spread your payments', '700px', 'auto', 'ajax', updateFinanceCalc);
    financeBox.show();
}
var financeDepositAmount = 0.00;
function updateFinanceCalc(selectObj) {
  window.setTimeout(function() {
    var financePrice = document.getElementById('finance_price').value;
    if (selectObj && typeof selectObj == 'object') {  
      var financeDepositPercent = selectObj.value;
    }
    else {
      var financeDepositPercent = 20;
    }
    financeDepositPercent = parseInt(financeDepositPercent); 
    var financeCalcObj = new FinanceDetails("ISIF12", financePrice, financeDepositPercent, 0);
    if (typeof financeCalcObj == 'object') {
      
      document.getElementById('finance_cash_price').innerHTML = '£' + financeCalcObj.goods_val;
      document.getElementById('finance_deposit').innerHTML = '£' + financeCalcObj.d_amount;
      financeDepositAmount = financeCalcObj.d_amount;
      document.getElementById('finance_total_credit').innerHTML = '£' + financeCalcObj.l_amount;
      document.getElementById('finance_duration').innerHTML = financeCalcObj.term;
      document.getElementById('finance_duration_months').innerHTML = financeCalcObj.term;
      document.getElementById('finance_monthly_payment').innerHTML = '£' + financeCalcObj.m_inst;
      document.getElementById('finance_apr').innerHTML = financeCalcObj.apr + '%';
      document.getElementById('finance_total').innerHTML = '£' + financeCalcObj.total;
      
    }
  }, 100);
}

function proceedFinance() {
  document.getElementById('finance_bool').value='1';
  document.getElementById('finance_deposit_amount').value = financeDepositAmount;
  window.setTimeout(function() {
    document.getElementById('payment_form').submit();
  }, 100);
}