function insertContact(theName, linkText)
{
theDomain = 'aeoluspower' + '-windenergy' + '.co.uk';
theAddress = theName + "@" + theDomain;
document.write("
');
newWindow.document.write('');
newWindow.document.close();
newWindow.focus();
}
var kWhpa = [[120000, 160000, 210000], [15300, 23600, 31300], [9018, 13429, 17423]];
var power = [50, 10, 6];
var windspeed = [5, 6, 7];
var prices = [250000, 45000, 25000];
var startPrices = [200000, 35000, 22000];
var perKwh = [0.241, 0.267, 0.267];
var exportRate = [0.05, 0.03, 0.03];
var savingRate = 0.12;
function addCommas(nStr)
{
nStr += '';
x = nStr.split('.');
x1 = x[0];
x2 = x.length > 1 ? '.' + x[1] : '';
var rgx = /(\d+)(\d{3})/;
while (rgx.test(x1)) {
x1 = x1.replace(rgx, '$1' + ',' + '$2');
}
return x1 + x2;
}
function updateTable()
{
//alert(choice.turbine.options.selectedIndex);
var which = document.choice.turbine.options.selectedIndex;
var text;
var incomeRate, incomeRate1;
var rate, income, payback;
var line0, line1, line2, line3, line4, line5;
var incomeSaving;
var totalIncome;
var text0;
var kwhRate;
text = document.getElementById('totalcost');
text.innerHTML = "Total Cost ranges from £" + addCommas(startPrices[which]) + " to £" + addCommas(prices[which]);
incomeRate = document.getElementById('incomeRate');
rate = ((perKwh[which] + exportRate[which]) * 100);
incomeRate.innerHTML = "Income \@" + rate.toFixed(1) + "p";
incomeRate1 = document.getElementById('incomeRate1');
rate = (perKwh[which] * 100);
incomeRate1.innerHTML = "Income \@" + rate.toFixed(1) + "p";
// calculate income for first wind speed, for 'export'
income = kWhpa[which][0] * (perKwh[which] + exportRate[which]);
payback = prices[which] / income;
line0 = document.getElementById('tariffs').rows[4].cells;
line0[1].innerHTML = addCommas(kWhpa[which][0]);
line0[2].innerHTML = payback.toFixed(1) + " years";
line0[3].innerHTML = "£" + addCommas(income.toFixed(0));
// calculate the 'onsite' figures
income = kWhpa[which][0] * (perKwh[which]);
incomeSaving = kWhpa[which][0] * savingRate;
totalIncome = income + incomeSaving;
payback = prices[which] / totalIncome;
line3 = document.getElementById('tariffs').rows[10].cells;
line3[1].innerHTML = addCommas(kWhpa[which][0]);
line3[2].innerHTML = payback.toFixed(1) + " years";
line3[3].innerHTML = "£" + addCommas(income.toFixed(0));
line3[4].innerHTML = "£" + addCommas(incomeSaving.toFixed(0));
line3[5].innerHTML = "£" + addCommas(totalIncome.toFixed(0));
// repeat for second wind speed
income = kWhpa[which][1] * (perKwh[which] + exportRate[which]);
payback = prices[which] / income;
line1 = document.getElementById('tariffs').rows[5].cells;
line1[1].innerHTML = addCommas(kWhpa[which][1]);
line1[2].innerHTML = payback.toFixed(1) + " years";
line1[3].innerHTML = "£" + addCommas(income.toFixed(0));
// calculate the 'onsite' figures
income = kWhpa[which][1] * (perKwh[which]);
incomeSaving = kWhpa[which][1] * savingRate;
totalIncome = income + incomeSaving;
payback = prices[which] / totalIncome;
line4 = document.getElementById('tariffs').rows[11].cells;
line4[1].innerHTML = addCommas(kWhpa[which][1]);
line4[2].innerHTML = payback.toFixed(1) + " years";
line4[3].innerHTML = "£" + addCommas(income.toFixed(0));
line4[4].innerHTML = "£" + addCommas(incomeSaving.toFixed(0));
line4[5].innerHTML = "£" + addCommas(totalIncome.toFixed(0));
// repeat for third wind speed
income = kWhpa[which][2] * (perKwh[which] + exportRate[which]);
payback = prices[which] / income;
line2 = document.getElementById('tariffs').rows[6].cells;
line2[1].innerHTML = addCommas(kWhpa[which][2]);
line2[2].innerHTML = payback.toFixed(1) + " years";
line2[3].innerHTML = "£" + addCommas(income.toFixed(0));
// calculate the 'onsite' figures
income = kWhpa[which][2] * (perKwh[which]);
incomeSaving = kWhpa[which][2] * savingRate;
totalIncome = income + incomeSaving;
payback = prices[which] / totalIncome;
line5 = document.getElementById('tariffs').rows[12].cells;
line5[1].innerHTML = addCommas(kWhpa[which][2]);
line5[2].innerHTML = payback.toFixed(1) + " years";
line5[3].innerHTML = "£" + addCommas(income.toFixed(0));
line5[4].innerHTML = "£" + addCommas(incomeSaving.toFixed(0));
line5[5].innerHTML = "£" + addCommas(totalIncome.toFixed(0));
// now tackle the text in the boxes underneath
text0 = document.getElementById('tariffs').rows[13].cells;
kwhRate = perKwh[which] * 100;
text0[0].innerHTML = "These figures are based on the Feed in Tariffs introduced in April 2010. For a "
+ power[which] + "kW turbine you will be paid "
+ kwhRate.toFixed(1) + "p per kWh produced and "
+ exportRate[which] * 100 + "p per kWh exported. Savings are based on average cost of imported electricity at "
+ savingRate * 100 + "p/kWh. The kWh production is based on smooth laminar airflow.
";
}