function Calculate1() {


var $Format = document.getElementById("Material_1").value;
var $Framerate = document.getElementById("Framerate_1").value;
var $Perf = "";
if (document.getElementById("threeperf_1").checked == true) {$Perf = "yes";}
else {$Perf = "";}
var $Drehmaterial = document.getElementById("Drehmaterial_1").value;
var $Meterfeet = document.getElementById("Meterfeet_1").value;
var $Laenge1 = document.getElementById("Laenge1_1").value;
var $Laenge2 = document.getElementById("Laenge2_1").value;
var $Laenge = ($Laenge1*1) + ($Laenge2/60);
var $Fieldsperfoot = "";
var $Lengthinfoot = "";
var $Lengthinmins = "";

if ($Format == "35 mm") 
{
if ($Perf == "yes") {$Fieldsperfoot = 21.333333;}
else {$Fieldsperfoot = 16;}
}
if ($Format == "Super 35") 
{
if ($Perf == "yes") {$Fieldsperfoot = 21.333333;}
else {$Fieldsperfoot = 16;}
}
if ($Format == "65 mm") 
{
$Fieldsperfoot = 12.8;
}
if ($Format == "Super 16") 
{
$Fieldsperfoot = 40;
}
if ($Format == "16 mm") 
{
$Fieldsperfoot = 40;
}
if ($Format == "Super 8") 
{
$Fieldsperfoot = 72;
}
if ($Format == "8 mm") 
{
$Fieldsperfoot = 80;
}

var $Footpersecond = $Framerate / $Fieldsperfoot;

if ($Meterfeet == "Meter") {$Lengthinfoot = $Drehmaterial * 3.28084;}
else {$Lengthinfoot = $Drehmaterial;}

$Lengthinmins = ($Lengthinfoot / $Footpersecond) / 60;

if ($Meterfeet == "Min") {$Lengthinmins = $Drehmaterial;}

var $Drehverhaeltnis = $Lengthinmins / $Laenge;

$Drehverhaeltnis = $Drehverhaeltnis.toFixed(4);


document.getElementById("Drehverhaeltnis_1").value = $Drehverhaeltnis;
return false;
}

function Calculate2() {


var Format = document.getElementById("Material_2").value;
var Framerate = document.getElementById("Framerate_2").value;
var Drehverhaeltnis = document.getElementById("Drehverhaeltnis_2").value;
var Perf = "";
if (document.getElementById("threeperf_2").checked == true) {Perf = "yes";}
else {Perf = "";}
var Drehmaterial = document.getElementById("Drehmaterial_2").value;
var Meterfeet = document.getElementById("Meterfeet_2").value;
var Laenge1 = document.getElementById("Laenge1_2").value;
var Laenge2 = document.getElementById("Laenge2_2").value;
var Laenge = (Laenge1*1) + (Laenge2/60);
var Fieldsperfoot = "";
var Lengthinfoot = "";
var Lengthinmins = "";


if (Format == "35 mm") 
{
if (Perf == "yes") {Fieldsperfoot = 21.333333;}
else {Fieldsperfoot = 16;}
}
if (Format == "Super 35") 
{
if (Perf == "yes") {Fieldsperfoot = 21.333333;}
else {Fieldsperfoot = 16;}
}
if (Format == "65 mm") 
{
Fieldsperfoot = 12.8;
}
if (Format == "Super 16") 
{
Fieldsperfoot = 40;
}
if (Format == "16 mm") 
{
Fieldsperfoot = 40;
}
if (Format == "Super 8") 
{
Fieldsperfoot = 72;
}
if (Format == "8 mm") 
{
Fieldsperfoot = 80;
}

var Footpersecond = Framerate / Fieldsperfoot;

var Lengthinmins = Drehverhaeltnis * Laenge;

var Lengthinfoot = (Lengthinmins * 60) * Footpersecond;

if (Meterfeet == "Meter") {Drehmaterial = Lengthinfoot / 3.28084;}
else {Drehmaterial = Lengthinfoot;}


if (Meterfeet == "Min") {Drehmaterial = Lengthinmins;}

Drehmaterial = Drehmaterial.toFixed(4);


document.getElementById("Drehmaterial_2").value = Drehmaterial;
return false;
}


function Calculate3() {


var $Format = document.getElementById("Material_3").value;
var $Framerate = document.getElementById("Framerate_3").value;
var $Drehverhaeltnis = document.getElementById("Drehverhaeltnis_3").value;
var $Perf = "";
if (document.getElementById("threeperf_3").checked == true) {$Perf = "yes";}
else {$Perf = "";}

var $Meterfeet = document.getElementById("Meterfeet_3").value;
var $Materialausgang = document.getElementById("Drehmaterial_3").value;
var $Laenge = 1;
var $Fieldsperfoot = "";
var $Lengthinfoot = "";
var $Lengthinmins = "";

if ($Format == "35 mm") 
{
if ($Perf == "yes") {$Fieldsperfoot = 21.333333;}
else {$Fieldsperfoot = 16;}
}
if ($Format == "Super 35") 
{
if ($Perf == "yes") {$Fieldsperfoot = 21.333333;}
else {$Fieldsperfoot = 16;}
}
if ($Format == "65 mm") 
{
$Fieldsperfoot = 12.8;
}
if ($Format == "Super 16") 
{
$Fieldsperfoot = 40;
}
if ($Format == "16 mm") 
{
$Fieldsperfoot = 40;
}
if ($Format == "Super 8") 
{
$Fieldsperfoot = 72;
}
if ($Format == "8 mm") 
{
$Fieldsperfoot = 80;
}

var $Footpersecond = $Framerate / $Fieldsperfoot;

var $Lengthinmins = $Drehverhaeltnis * $Laenge;

var $Lengthinfoot = ($Lengthinmins * 60) * $Footpersecond;

if ($Meterfeet == "Meter") {$Drehmaterial = $Lengthinfoot / 3.28084;}
else {$Drehmaterial = $Lengthinfoot;}


if ($Meterfeet == "Min") {$Drehmaterial = $Lengthinmins;}

var $Drehmaterialneu = $Materialausgang / $Drehmaterial;

var $Drehmaterialneu1b = Math.floor($Drehmaterialneu);
var $Drehmaterialneu2 = ($Drehmaterialneu - $Drehmaterialneu1b)*60;
var $Drehmaterialneu2 = Math.floor($Drehmaterialneu2);


$Drehmaterialneu = $Drehmaterialneu1b + " min " + $Drehmaterialneu2 + " sec";


document.getElementById("Laenge_3").value = $Drehmaterialneu;
return false;
}

function Calculate4() {


var $Format = document.getElementById("Material_4").value;
var $Framerate = document.getElementById("Framerate_4").value;
var $Drehverhaeltnis = document.getElementById("Drehverhaeltnis_4").value;
var $Perf = "";
if (document.getElementById("threeperf_4").checked == true) {$Perf = "yes";}
else {$Perf = "";}
var $Drehmaterial = document.getElementById("Drehmaterial_4").value;
var $Meterfeet = document.getElementById("Meterfeet_4").value;
var $Laenge1 = document.getElementById("Laenge1_4").value;
var $Laenge2 = document.getElementById("Laenge2_4").value;
var $Laenge = ($Laenge1*1) + ($Laenge2/60);
var $Fieldsperfoot = "";
var $Lengthinfoot = "";
var $Lengthinmins = "";

if ($Format == "35 mm") 
{
if ($Perf == "yes") {$Fieldsperfoot = 21.333333;}
else {$Fieldsperfoot = 16;}
}
if ($Format == "Super 35") 
{
if ($Perf == "yes") {$Fieldsperfoot = 21.333333;}
else {$Fieldsperfoot = 16;}
}
if ($Format == "65 mm") 
{
$Fieldsperfoot = 12.8;
}
if ($Format == "Super 16") 
{
$Fieldsperfoot = 40;
}
if ($Format == "16 mm") 
{
$Fieldsperfoot = 40;
}
if ($Format == "Super 8") 
{
$Fieldsperfoot = 72;
}
if ($Format == "8 mm") 
{
$Fieldsperfoot = 80;
}

var $Footpersecond = $Framerate / $Fieldsperfoot;

var $Lengthinmins = $Drehverhaeltnis * $Laenge;

var $Lengthinfoot = ($Lengthinmins * 60) * $Footpersecond;

if ($Meterfeet == "Meter") {$Drehmaterial = $Lengthinfoot / 3.28084;}
else {$Drehmaterial = $Lengthinfoot;}


if ($Meterfeet == "Min") {$Drehmaterial = $Lengthinmins;}

$Drehmaterial = $Drehmaterial.toFixed(4);


document.getElementById("Drehmaterial_4").value = $Drehmaterial;
return false;
}