<!-- 
//window.defaultStatus="";

function CheckKVA(input) 
{ 
  if (input.value < 1 || input.value > 100000 ) { input.value = "*ERR*"; } 
  return; 
} 

function CheckPhase(input) 
{ 
  if (input.value < 1 || input.value > 5 ) { input.value = "*ERR*"; } 
  return; 
} 
 
function CheckVolts(input) 
{ 
  if (input.value < 1 || input.value > 100000) { input.value = "*ERR*"; } 
  return; 
}

function CalcKVA(form,Volts,KVA,Phase) 
{
 var E = parseInt(Volts);
 var K = parseInt(KVA);
 var P = parseInt(Phase);

 var A = 0;

	if (P == 1) {
		A = ((K * 1000)/E); 	
	}

  else if (P == 2 || P == 4)

  {

	A = ((K * 1000)/(2*E)); 	

  }

  else if (P == 3)

  {

	A = ((K * 1000)/(1.73*E)); 	

  }

  return(A); 

}


function computeForm(form) 
{
   if ((form.volts.value == null || form.volts.value.length == 0)) {
       return;
   }

    var E = form.volts.value;
   var K = form.kva.value;
   var P = form.phase.value;

    var A = 0;


 A = CalcKVA(form, E, K, P);
 form.Ampere.value = A; 



  return; 

}


function computeKVAtoKW(form)

{

    if ((form.kvain.value == null || form.kvain.value == 0))

    {

	return;

    }



    var K = form.kvain.value;

    var W = 0;



    W = K * 0.8;

    form.kwout.value = W;

    return;

}



function computeKWtoKVA(form)

{

    if ((form.kwin.value == null || form.kwin.value == 0))

    {

	return;

    }



    var W = form.kwin.value;

    var K = 0;



    K = W / 0.8;

    form.kvaout.value = K;

    return;

}



function computeKWtoHP(form)
{
    if ((form.kwhpin.value == null || form.kwhpin.value == 0)) {
		return;
    }

    var W = form.kwhpin.value;
    var H = 0;
    H = W / 0.746;
    form.hpout.value = H;
    return;
}

function computeHPtoKVA(form)

{

    if ((form.hpin.value == null || form.hpin.value == 0))

    {

	return;

    }



    var H = form.hpin.value;

    var K = 0;

    var S = 1;

    var R = 1;



    if (H < 50)

    {

	R = 1.5;

    }

    else if (H > 49 && H < 100)

    {

	R = 1.4;

    }

    else if (H > 99)

    {

	R = 1.3;

	S = 5;

    }

    if (H < 30)

    {

	S = 7;

    }

    else if (H > 29 && H < 100)

    {

	S = 6

    }

   
   K = ((H * R * S) / 2) / 1.39;    



    form.kvareq.value = K;

    return;

}



//--> 
<!--

// Code for the start power calculator

var maxRows = 6+1;
var i = 0;

var cells = new Array(maxRows);

initialise();

function initialise()
{
	for (var i=0; i<maxRows; i++) {
		cells[i] = new row();
	}
}

function row()
{

	this.SS = 0;
	this.HP = 0;
	this.SM = 0;
	this.RV = 0;
	this.PC = 0;
	this.SV = 0;
	this.RC = 0;
	this.SC = 0;
}

function calcRV(hp)
{
	if (0 < hp && hp < 50) {
		return 1.5;
	} 
	else if (50 <= hp && hp < 100) {
		return 1.4;
	}
	else if (hp >= 100) {
		return 1.3;
	}
	return 1.5;
}

function calcPC(hp)
{
	return (hp * calcRV(hp));
}

function calcSV(hp, sm)
{
	var sv;
	if (0<hp && hp<=30)	{
		sv = 7;
	}
	else if (30<hp && hp<100) {
		sv = 6;
	}
	else if (100<=hp) {
		sv = 5;
	}

	//  Star Delta or DOL

	if (sm==false) {
		return sv/2;
	} else {
		return sv;
	}
}

function calcRC(hp, prev)
{
	return (prev + calcPC(hp));
}

function calcSC(hp, prev, sm)
{
	return ((calcPC(hp) * calcSV(hp, sm)) + prev);
}

//  Counts the number of rows used (or motors)
function countMotors()
{
	var i = 1;
	var count=0;
	while (i<maxRows && cells[i].HP!="" && cells[i].HP!=0) {
		count++;
		i++;
	}
	return count;
}

//  Prints an error message
function error(emsg)
{
	window.status = "## ERROR: " + emsg + " ##";
	setTimeout('clearError()', 9000);
}

//  Clears the status bar
function clearError()
{
	window.status = "";
}

function resetAllMotors(form)
{
	for (i=1; i<maxRows; i++) {
		cells[i].HP = 0;
		cells[i].RC = 0;
		cells[i].SC = 0;
	}

	form.HP6.value = "";
	form.HP5.value = "";
	form.HP4.value = "";
	form.HP3.value = "";
	form.HP2.value = "";
	form.HP1.value = "";
}

function getValues(form)
{
	var i;
	for (i=1; i<maxRows; i++) {
		cells[i].HP = eval("form.HP" + i + ".value");
		cells[i].SM = eval("form.SM" + i + "[0].checked");
	}
}

function evalGenSize(form)
{
	var hp;
	var phasemult=1.39;
	var count=0;
	getValues(form);
	count = countMotors();
	if (count==0) {
		error("No motors entered.");
	} else {
		var rcprev = 0;
		var rcmax = 0;
		var scmax = 0;
		var kvaStart = 0;
		var kvaRunning = 0;
		var sm = 1;
		
		if (form.phase[1].checked) {
			phasemult = 4.20;
		} else {
			phasemult = 1.39;
		}
		
		for (i=1; i<=count; i++) {
			hp = cells[i].HP;
			sm = cells[i].SM;

			if (hp<0)

			{

				error("Some HP values are negative.");

			}

			cells[i].RV = calcRV(hp);

			cells[i].PC = calcPC(hp);

			cells[i].SV = calcSV(hp, sm);

			cells[i].RC = calcRC(hp, rcprev);

			cells[i].SC = calcSC(hp, rcprev, sm);

			rcprev = cells[i].RC;

			if (rcprev > rcmax)

			{

				rcmax = rcprev;

			}

			if (cells[i].SC > scmax)

			{

				scmax = cells[i].SC;

			}

		}

		returnValues(form);

		kvaStart = scmax/phasemult/2;

		kvaRunning = rcmax/phasemult;

		recommended = 1.16*Math.max(kvaStart, kvaRunning);



		form.startwith.value = Math.round(kvaStart);

		form.runwith.value = Math.round(kvaRunning);

		form.recommend.value = Math.round(recommended);

	}

}



function returnValues(form)

{

	var i = 1;



	if (cells[i].SC!=0)

	{

		form.RV1.value = cells[i].RV;

		form.PC1.value = Math.round(cells[i].PC);

		form.SV1.value = cells[i].SV;

		form.RC1.value = Math.round(cells[i].RC);

		form.SC1.value = Math.round(cells[i].SC);

	}

	i++;

	if (cells[i].SC!=0)

	{

		form.RV2.value = cells[i].RV;

		form.PC2.value = Math.round(cells[i].PC);

		form.SV2.value = cells[i].SV;

		form.RC2.value = Math.round(cells[i].RC);

		form.SC2.value = Math.round(cells[i].SC);

	}

	i++;

	if (cells[i].SC!=0)

	{

		form.RV3.value = cells[i].RV;

		form.PC3.value = Math.round(cells[i].PC);

		form.SV3.value = cells[i].SV;

		form.RC3.value = Math.round(cells[i].RC);

		form.SC3.value = Math.round(cells[i].SC);

	}

	i++;

	if (cells[i].SC!=0)

	{

		form.RV4.value = cells[i].RV;

		form.PC4.value = Math.round(cells[i].PC);

		form.SV4.value = cells[i].SV;

		form.RC4.value = Math.round(cells[i].RC);

		form.SC4.value = Math.round(cells[i].SC);

	}

	i++;

	if (cells[i].SC!=0)

	{

		form.RV5.value = cells[i].RV;

		form.PC5.value = Math.round(cells[i].PC);

		form.SV5.value = cells[i].SV;

		form.RC5.value = Math.round(cells[i].RC);

		form.SC5.value = Math.round(cells[i].SC);

	}

	i++;

	if (cells[i].SC!=0)

	{

		form.RV6.value = cells[i].RV;

		form.PC6.value = Math.round(cells[i].PC);

		form.SV6.value = cells[i].SV;

		form.RC6.value = Math.round(cells[i].RC);

		form.SC6.value = Math.round(cells[i].SC);

	}

	i++;

}



function printRow(cell, i)

{



}


//-->