function checkIt(evt) {
    evt = (evt) ? evt : window.event
    var charCode = (evt.which) ? evt.which : evt.keyCode
    if (charCode > 31 && (charCode < 48 || charCode > 57)) {
        status = "This field accepts numbers only."
        return false
    }
    status = ""
    return true
}

function DoMath()
{
var temp="some";	
var	Lmps=document.getElementById("Lamps").value;
var hrs=document.getElementById("Hours").value;
var dys=document.getElementById("Days").value;

if(Lmps!="")
{	
temp="All";
}
else
{
alert("Please Enter no of Luminaires");
temp="some";
window.setTimeout(function ()
{document.getElementById('Lamps').focus();}, 0);
return false;
}


if(hrs!="")
{	
temp="All";
}
else
{
alert("Please Enter no of Hours");
temp="some";
window.setTimeout(function ()
{document.getElementById('Hours').focus();}, 0);
return false;
}


if(dys!="")
{	
temp="All";
}
else
{

alert("Please Enter no of Days");
temp="some";
window.setTimeout(function ()
{document.getElementById('Days').focus();}, 0);
return false;
}


if(temp=="All")
{
	
var Units = document.getElementById("Wattage").value;

if(Units==440)
{
  var Rate=120;
}
else if(Units==295)
{
	var Rate=90;
}
else if(Units==175)
{
	var Rate=60;
}
else if(Units==95)
{
	var Rate=36;
}
else if(Units==80)
{
	var Rate=45;
}
else if(Units==40)
{
	 var Rate=18;
}
else if(Units==20)
{
	 var Rate=9;
}
/*
//var Lamps = document.frmData.Lamps.value
var Lamps = document.getElementById("Lamps").value;
var Total = ((Units - Rate) * Lamps)
Total=Math.round(Total*100)/100
document.getElementById("Total").value= Total
var Kilowatt = Total/1000
Kilowatt=Math.round(Kilowatt*100)/100
document.getElementById("Kilowatt").value = Kilowatt
var Hours = document.getElementById("Hours").value
var Days = document.getElementById("Days").value
var Week = document.getElementById("Week").value
var Year = Kilowatt * Hours * Days * Week
Year=Math.round(Year*100)/100
document.getElementById("Year").value = Year
var Energy = document.getElementById("Energy").value
Energy=Energy/46
var Cost = Year * Energy
var Initial = document.getElementById("Initial").value
var main=Initial*0.01
Cost=Cost+main
Cost=Math.round(Cost*100)/100
document.getElementById("Cost").value = Cost
var Simple = Initial/Cost
Simple=Math.round(Simple*100)/100
document.getElementById("Simple").value = Simple
var Return = 100/Simple
Return=Math.round(Return*100)/100
document.getElementById("Return").value = Return
document.getElementById("submit").disabled = true;
*/

var Wattage = document.getElementById("Wattage").value;
//var LED = document.getElementById("txtLED").value;
var Lamps = document.getElementById("Lamps").value;
var Lamps1 = document.getElementById("Lamps1").value;
var Hours = document.getElementById("Hours").value;
var Hours1 = document.getElementById("Hours1").value;
var Days = document.getElementById("Days").value;
var Days1 = document.getElementById("Days1").value;

var Cconsump=(Wattage*Lamps*Hours*Days)/1000;
Cconsump=Math.round(Cconsump*100)/100;
document.getElementById("Cconsump").value=Cconsump;

var Lconsump=(Rate*Lamps*Hours*Days)/1000;
Lconsump=Math.round(Lconsump*100)/100;
document.getElementById("Lconsump").value=Lconsump;

var Syear=Cconsump-Lconsump
Syear=Math.round(Syear*100)/100;
document.getElementById("Syear").value=Syear;

var Energy = document.getElementById("Energy").value;
var savings=Syear*Energy
savings=Math.round(savings*100)/100;
document.getElementById("savings").value=savings;

var Ccost=Cconsump*Energy;
document.getElementById("Ccost").value=Ccost;

var Initial = document.getElementById("Initial").value;
var Initial1 = document.getElementById("Initial1").value;
var maintenance = document.getElementById("maintenance").value;
var maintenance1 = document.getElementById("maintenance1").value;

Ccost=parseInt(Ccost)+parseInt(maintenance*Lamps);
document.getElementById("Ccost").value=Ccost;

var LCost=(Lconsump*Energy);
LCost=parseInt(LCost)+parseInt(maintenance1*Lamps);
LCost=Math.round(LCost*100)/100;
document.getElementById("LCost").value=LCost;

var payback1=parseInt(Initial1*Lamps)-parseInt(Initial*Lamps);
var payback2=parseInt(Ccost)-parseInt(LCost)
var payback=payback1/payback2;
payback=Math.round(payback*10)/10;
document.getElementById("payback").value=payback;

var Return=100/payback;
Return=Math.round(Return*100)/100;
document.getElementById("Return").value=Return;


document.getElementById("submit").disabled = true;
}

}

function Enable()
{
document.getElementById("submit").disabled = false;
}


function showUser(str)
{

document.getElementById("txtLED").value="";
document.getElementById("Initial").value="";
document.getElementById("Initial1").value="";

if (str!="Select Option:")
{
  if(str==440)
 { 

   document.getElementById("txtLED").value='120W LED Street';
   document.getElementById("Initial").value=5500;
   document.getElementById("Initial1").value=25500;
   document.getElementById("maintenance").value=5500*0.20; 
   document.getElementById("maintenance1").value=25500*0.001;      
   return;
 } 
  else
   if(str==295)
  {
	    document.getElementById("txtLED").value='90W LED Street';
        document.getElementById("Initial").value=4500;
        document.getElementById("Initial1").value=20300;
		document.getElementById("maintenance").value=4500*0.20;
   		document.getElementById("maintenance1").value=20300*0.001;
        return;
  }
  else
  if(str==175)
  {
	    document.getElementById("txtLED").value='60W LED Street';
        document.getElementById("Initial").value=4000;
        document.getElementById("Initial1").value=15000;
		document.getElementById("maintenance").value=4000*0.20;
   		document.getElementById("maintenance1").value=15000*0.001;
        return;
  }
   else
  if(str==95)
  {
   document.getElementById("txtLED").value='36W LED Street';
   document.getElementById("Initial").value=3000;
   document.getElementById("Initial1").value=11250;
   document.getElementById("maintenance").value=3000*0.20;
   document.getElementById("maintenance1").value=11250*0.001;
  return;
  }
   else
  if(str==80)
  {
   document.getElementById("txtLED").value='1X45W 2x2 LED';
   document.getElementById("Initial").value=3500;
   document.getElementById("Initial1").value=9000;
   document.getElementById("maintenance").value=3500*0.20;
   document.getElementById("maintenance1").value=9000*0.001;
  return;
  }
     else
  if(str==40)
  {
   document.getElementById("txtLED").value='1X18W LED Down Light';
   document.getElementById("Initial").value=1500;
   document.getElementById("Initial1").value=2750;
   document.getElementById("maintenance").value=1500*0.20;
   document.getElementById("maintenance1").value=2750*0.001;
  return;
  }   else
  if(str==20)
  {
   document.getElementById("txtLED").value='1X9W LED Down Light';
   document.getElementById("Initial").value=1000;
   document.getElementById("Initial1").value=2500;
   document.getElementById("maintenance").value=1000*0.20;
   document.getElementById("maintenance1").value=2500*0.001;
  return;
  }
  
  return;
 
  } 

}


function FillA()
{
document.getElementById("Lamps1").value=document.getElementById("Lamps").value;
document.getElementById("submit").disabled = false;
}


function FillB()
{

var hrs=document.getElementById("Hours").value;
  if(hrs>24)
  {
	 alert("Enter valid Hours Value should be less than:24");
	 document.getElementById("Hours").value="";
	  window.setTimeout(function ()
    {document.getElementById('Hours').focus();}, 0);
    return false;
  	
 }
if(hrs<=0)
  {
	alert("Enter valid Hours Value should be greater than:0");
	document.getElementById("Hours").value="";
   window.setTimeout(function ()
    {document.getElementById('Hours').focus();}, 0);
    return false;
  }

document.getElementById("Hours1").value=document.getElementById("Hours").value;
document.getElementById("submit").disabled = false;
}

function FillC()
{
	
 var dys=document.getElementById("Days").value;
  if(dys>365)
  {
	 alert("Enter valid Days Value should be less than: 365");
	 document.getElementById("Days").value="";
	  window.setTimeout(function ()
    {document.getElementById('Days').focus();}, 0);
    return false;
  	
 }
if(dys<=0)
  {
	alert("Enter valid Days Value should be greater than: 0");
	document.getElementById("Days").value="";
   window.setTimeout(function ()
    {document.getElementById('Days').focus();}, 0);
    return false;
  }

document.getElementById("Days1").value=document.getElementById("Days").value;
document.getElementById("submit").disabled = false;
}

function FillD()
{
document.getElementById("Energy1").value=document.getElementById("Energy").value;
}

function Reset()
{
document.getElementById("submit").disabled = false;
}



function validations()
{	
var wk=document.getElementById("week").value;
  if(wk>52 || wk<=0 )
  {
	alert("Enter valid weeks:Value shoould be >0 and <=52");
	document.getElementById("week").value="";
	
	 window.setTimeout(function ()
    {document.getElementById('week').focus();}, 0);
    return false;
  }

  
document.getElementById("Week1").value=document.getElementById("Week").value;
document.getElementById("submit").disabled = false;
}