var powercost;
var offpeakpowercost;
var yearpowercost;
var lighthours;
var floodlighthours;
var tubes;
var fridge;
var showers;
var taps;
var computers;
var laptops;
var thinclients;
var server;
var insulation;
var drafts;
var ice;
var savekWh;
var savedollars;
var savewater;
var savewatertotal;
var Totalsavedollars;
var TotalsavekWh;
var TotalsaveCo2;
var forout;
var ResultsOut;
var temp1;

function getresults()
{
savekWh = 0;
savedollars = 0;
Totalsavedollars = 0;
TotalsavekWh = 0;
savewatertotal = 0;
TotalsaveCo2 = 0;
ResultsOut = "";
document.myForm.ResultsOut.value = "";
powercost = Math.round(document.myForm.powercost.value * 100)/100;
offpeakpowercost = Math.round(document.myForm.offpeakpowercost.value * 100)/100;
yearpowercost = Math.round(document.myForm.yearpowercost.value);
lighthours = Math.round(document.myForm.lighthours.value);
floodlighthours = Math.round(document.myForm.floodlighthours.value);
tubes = Math.round(document.myForm.tubes.value);
fridge = Math.round(document.myForm.fridge.value);
showers = Math.round(document.myForm.showers.value);
taps = Math.round(document.myForm.taps.value);
computers = Math.round(document.myForm.computers.value);
laptops = Math.round(document.myForm.laptops.value);
thinclients = Math.round(document.myForm.thinclients.value);
server = Math.round(document.myForm.server.value);
insulation = document.myForm.insulation.checked;
drafts = document.myForm.drafts.checked;
ice = document.myForm.ice.checked;
ResultsOut = "Power cost " + powercost + ", Off peak Power cost " + offpeakpowercost + ", Year power cost " + yearpowercost + " \r";
document.myForm.ResultsOut.value = ResultsOut;

if (lighthours > 0)
{
savekWh = lighthours * 0.062 * 365;
savedollars = savekWh * powercost;
TotalsavekWh = TotalsavekWh + savekWh;
Totalsavedollars = Totalsavedollars + savedollars; 
ResultsOut = ResultsOut + "Lighting savings $" + Math.round(savedollars* 100)/100 + ", " + Math.round(savekWh* 100)/100 + "kWh. Calc = 62 Watts per light saved x hours x 365 days. \r";
document.myForm.ResultsOut.value = ResultsOut;
}
if (floodlighthours > 0)
{
savekWh = floodlighthours * 0.102 * 365;
savedollars = savekWh * powercost;
TotalsavekWh = TotalsavekWh + savekWh;
Totalsavedollars = Totalsavedollars + savedollars; 
ResultsOut = ResultsOut + "Floodlighting savings $" + Math.round(savedollars* 100)/100 + ", " + Math.round(savekWh* 100)/100 + "kWh. Calc = 102 Watts per light saved x hours x 365 days. \r";
document.myForm.ResultsOut.value = ResultsOut;
}
if (tubes > 0)
{
savekWh = tubes * 0.012 * 365;
savedollars = savekWh * powercost;
TotalsavekWh = TotalsavekWh + savekWh;
Totalsavedollars = Totalsavedollars + savedollars; 
ResultsOut = ResultsOut + "Fluroescent tube savings $" + Math.round(savedollars* 100)/100 + ", " + Math.round(savekWh* 100)/100 + "kWh. Calc = 12 watts x tube hours x 365 days. \r";
document.myForm.ResultsOut.value = ResultsOut;
}
if (fridge > 0)
{
savekWh = 700 * fridge;
savedollars = savekWh * powercost;
TotalsavekWh = TotalsavekWh + savekWh;
Totalsavedollars = Totalsavedollars + savedollars; 
ResultsOut = ResultsOut + "Fridge savings $" + Math.round(savedollars* 100)/100 + ", " + Math.round(savekWh* 100)/100 + "kWh. Calc = Fridges * 700kWh. \r";
document.myForm.ResultsOut.value = ResultsOut;
}
if (showers > 0)
{
savekWh = showers * (20-9) * 0.052 * 365 * 0.5 * 5;
savedollars = savekWh * powercost;
savewater = (20-9) * showers * 365 * 5;
TotalsavekWh = TotalsavekWh + savekWh;
savewatertotal = savewatertotal + savewater;
Totalsavedollars = Totalsavedollars + savedollars; 
ResultsOut = ResultsOut + "Showers savings $" + Math.round(savedollars* 100)/100 + ", " + Math.round(savekWh* 100)/100 + "kWh, Water saved " + Math.round(savewater) + " litres. Calc = showers x (20old-9new)litres/min x 0.052kWh(to heat 1 litre of water) x 0.5 (50% hot water) x 5 min showers x 365 days. \r";
document.myForm.ResultsOut.value = ResultsOut;
}
if (taps > 0)
{
savekWh = taps * (20-5) * 0.052 * 365 * 0.5;
savedollars = savekWh * powercost;
savewater = (20-5) * taps * 365;
TotalsavekWh = TotalsavekWh + savekWh;
savewatertotal = savewatertotal + savewater;
Totalsavedollars = Totalsavedollars + savedollars; 
ResultsOut = ResultsOut + "Taps savings $" + Math.round(savedollars* 100)/100 + ", " + Math.round(savekWh* 100)/100 + "kWh, Water saved " + Math.round(savewater) + " litres. Calc = taps min x (20old-5new)litres/min x 0.052kWh(to heat 1 litre of water) x 0.5 (50% hot water) x 365 days. \r";
document.myForm.ResultsOut.value = ResultsOut;
}
if (computers > 0)
{
savekWh = 0.38 * 0.2 * 24 * 365 * computers;
savedollars = savekWh * powercost;
TotalsavekWh = TotalsavekWh + savekWh;
Totalsavedollars = Totalsavedollars + savedollars; 
ResultsOut = ResultsOut + "Computer savings $" + Math.round(savedollars* 100)/100 + ", " + Math.round(savekWh* 100)/100 + "kWh. Calc= 38% saving x 200 watt PC x 24 hours x 365 days. \r";
document.myForm.ResultsOut.value = ResultsOut;
}
if (laptops > 0)
{
savekWh = 0.38 * 0.05 * 24 * 365 * laptops;
savedollars = savekWh * powercost;
TotalsavekWh = TotalsavekWh + savekWh;
Totalsavedollars = Totalsavedollars + savedollars; 
ResultsOut = ResultsOut + "Laptop savings $" + Math.round(savedollars* 100)/100 + ", " + Math.round(savekWh* 100)/100 + "kWh. Calc= 38% saving x 50 watt laptop x 24 hours x 365 days. \r";
document.myForm.ResultsOut.value = ResultsOut;
}
if (thinclients > 0)
{
savekWh = 0.085 * 45 * 52 * thinclients;
savedollars = savekWh * powercost;
TotalsavekWh = TotalsavekWh + savekWh;
Totalsavedollars = Totalsavedollars + savedollars; 
ResultsOut = ResultsOut + "Thin client savings $" + Math.round(savedollars* 100)/100 + ", " + Math.round(savekWh* 100)/100 + "kWh. Calc = thin clients x 85 watts saving x 45 hours per week x 52 weeks.  \r";
document.myForm.ResultsOut.value = ResultsOut;
}
if (server > 0)
{
savekWh = 0.6 * 24 * 365 * server;
savedollars = savekWh * powercost;
TotalsavekWh = TotalsavekWh + savekWh;
Totalsavedollars = Totalsavedollars + savedollars; 
ResultsOut = ResultsOut + "Server savings $" + Math.round(savedollars* 100)/100 + ", " + Math.round(savekWh* 100)/100 + "kWh. Calc = servers x (300W server + 300W cooling) x 24 hours x 365 days. \r";
document.myForm.ResultsOut.value = ResultsOut;
}
if (insulation == true)
{
savedollars = yearpowercost * 0.3 * 0.4;
savekWh = savedollars/powercost;
TotalsavekWh = TotalsavekWh + savekWh;
Totalsavedollars = Totalsavedollars + savedollars; 
ResultsOut = ResultsOut + "Insulation savings $" + Math.round(savedollars* 100)/100 + ", " + Math.round(savekWh* 100)/100 + "kWh. Calc = Year cost x 40% for heat/cooling x 30% saving.  \r";
document.myForm.ResultsOut.value = ResultsOut;
}
if (drafts == true)
{
savedollars = yearpowercost * 0.3 * 0.4;
savekWh = savedollars/powercost;
TotalsavekWh = TotalsavekWh + savekWh;
Totalsavedollars = Totalsavedollars + savedollars; 
ResultsOut = ResultsOut + "Drafts savings $" + Math.round(savedollars* 100)/100 + ", " + Math.round(savekWh* 100)/100 + "kWh. Calc = Year cost x 40% for heat/cooling x 30% saving.  \r";
document.myForm.ResultsOut.value = ResultsOut;
}
if (ice == true)
{
temp1 = (powercost - offpeakpowercost) * 0.95;
savedollars = yearpowercost * temp1 * 0.4;
savekWh = yearpowercost * 0.4 * 0.1;
TotalsavekWh = TotalsavekWh + savekWh;
Totalsavedollars = Totalsavedollars + savedollars; 
ResultsOut = ResultsOut + "Ice Cooling savings $" + Math.round(savedollars* 100)/100 + ", " + Math.round(savekWh* 100)/100 + "kWh. Calc = ((Peak power - off peak power)x 95% reduction) x year power x 40%. \r";
document.myForm.ResultsOut.value = ResultsOut;
}

document.myForm.yearkwh.value = Math.round(TotalsavekWh);
document.myForm.yearsaved.value = Math.round(Totalsavedollars);
document.myForm.savewatertotal.value = Math.round(savewatertotal);
document.myForm.yearco2saved.value = Math.round(TotalsavekWh);
           
}