/* ---------------------------------------------------------------------
/
/     toolbox heat recovery-js - /     
/     this file is not to be localized for different countries
/     03.01.05 marion.koerner@kaeser.com
/     04.12.06 mko
/
/  -------------------------------------------------------------------- */

function Wahl1()
{
  window.document.Rechnen.T11.value = 0.94;
  Ergebnis();
}

function Wahl2()
{
//    var a = 0.72;   
  window.document.Rechnen.T11.value = 0.72;
  Ergebnis();
}

   
function Ergebnis()
{
  var Art   = window.document.Rechnen.T11.value;;
  var Pab   = 0;
  var Phi   = 0;
  var Pauf  = 0;
  var Bt    = window.document.Rechnen.Bt.value; //FloatEdit3.Value;
  var Hp    = window.document.Rechnen.Hp.value; //FloatEdit4.Value;
  var Preis = window.document.Rechnen.Preis.value; //FloatEdit5.Value;
  var Hw    = window.document.Rechnen.Hw.value;    //FloatEdit6.Value;
  var Wg    = window.document.Rechnen.Wg.value; //FloatEdit7.Value;
  var Ne    = 0; //Pauf * Art;
  Pab = window.document.Rechnen.T1.value;
  
    if (window.document.Rechnen.ISOUS[1].checked == true) {  
    Pab = Pab / 1.341;
  } 

  Phi = window.document.Rechnen.T2.value;
  //alert(window.document.Rechnen.T1.value);
  if (Phi == 0) {
    Pauf = 0;      
  } else {
    Pauf = Pab*100/Phi;
    Pauf = Math.round(Pauf * 1000)/1000;
    Ne   = Math.round(Pauf * Art  * 1000)/1000;
  }


  window.document.Rechnen.T4.value = Pauf;
  window.document.Rechnen.Ne.value = Ne;
  if ((Wg*Hw) != 0) {
    Erg = (Ne * Bt * Hp * Preis) / (Hw * (Wg / 100));
    Erg = Math.round(Erg*100)/100;
    window.document.Rechnen.T10.value = Erg;
  } else {
    window.document.Rechnen.T10.value = 0;
  }
}


function Iso_Us(sprache)
{
if (window.document.Rechnen.ISOUS[1].checked == true)
  {
    us(sprache);
  } else { iso(sprache); }
}

function us(sprache) {
  window.document.getElementById("magl").firstChild.nodeValue = "hp"; 
  
//  switch (sprache) {
//    case "de":
//      window.document.getElementById("pee").firstChild.nodeValue = "$/Einh.";
//      window.document.getElementById("ein").firstChild.nodeValue = "$/Jahr";
//      break;
//    case "en":
//      window.document.getElementById("pee").firstChild.nodeValue = "$/Unit.";
//      window.document.getElementById("ein").firstChild.nodeValue = "$/year";
//      break;
//    case "esp":
//      window.document.getElementById("pee").firstChild.nodeValue = "$/Un.";
//      window.document.getElementById("ein").firstChild.nodeValue = "$/Año";
//      break;
//    default:
//      window.document.getElementById("pee").firstChild.nodeValue = "$/Unit.";
//      window.document.getElementById("ein").firstChild.nodeValue = "$/year";
//      break;
//  }

  window.document.Rechnen.T1.value = 0;
  window.document.Rechnen.T2.value = 0; 
  window.document.Rechnen.Bt.value = 0;
  window.document.Rechnen.Hp.value = 0;
  window.document.Rechnen.Preis.value = 0;
  window.document.Rechnen.Hw.value = 0;
  window.document.Rechnen.Wg.value = 0;
  Ergebnis();
}

function iso(sprache) {
  window.document.getElementById("magl").firstChild.nodeValue = "kW";
  
//  switch (sprache) {
//    case "de":
//      window.document.getElementById("pee").firstChild.nodeValue = "€/Einh.";
//      window.document.getElementById("ein").firstChild.nodeValue = "€/Jahr";
//      break;
//    case "en":
//      window.document.getElementById("pee").firstChild.nodeValue = "$/Unit.";
//      window.document.getElementById("ein").firstChild.nodeValue = "$/year";
//      break;
//    case "esp":
//      window.document.getElementById("pee").firstChild.nodeValue = "$/Un.";
//      window.document.getElementById("ein").firstChild.nodeValue = "$/Año";
//      break;
//    default:
//      window.document.getElementById("pee").firstChild.nodeValue = "$/Unit.";
//      window.document.getElementById("ein").firstChild.nodeValue = "$/year";
//      break;
//  }

  window.document.Rechnen.T1.value = 0;
  window.document.Rechnen.T2.value = 0; 
  window.document.Rechnen.Bt.value = 0;
  window.document.Rechnen.Hp.value = 0;
  window.document.Rechnen.Preis.value = 0;
  window.document.Rechnen.Hw.value = 0;
  window.document.Rechnen.Wg.value = 0;
  Ergebnis();
}