var preloadFlag = false;

function Left(str, n){if (n <= 0) {return "";} else if (n > String(str).length) {return str;} else {return String(str).substring(0,n);};
function Right(str, n){if (n <= 0) {return "";} else if (n > String(str).length) {return str;} else {var iLen = String(str).length;return String(str).substring(iLen, iLen - n);};};};

function newImage(arg) {
  if (document.images) {
    rslt = new Image();
    rslt.src = arg;
    return rslt;
  }
}

function changeImages() {
  if (document.images && (preloadFlag == true)) {
    for (var i=0; i<changeImages.arguments.length; i+=2) {
      document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
    }
  }
}

function preloadImages_old() {
  if (document.images) {
    om_         = newImage("images/om_.jpg");
    ansatte_    = newImage("images/ansatte_.jpg");
    kontakt_    = newImage("images/kontakt_.jpg");
    bruktbil_   = newImage("images/bruktbil_.jpg");
    tider_      = newImage("images/tider_.jpg");
    sted_       = newImage("images/sted_.jpg");
    mitsubishi_ = newImage("images/~head_2_.jpg");
    suzuki_     = newImage("images/~head_4_.jpg");
    fiat_       = newImage("images/~head_6_.jpg");
    preloadFlag = true;
  }
}

function preloadImages() {
  if (document.images) {
    mitsubishi_ = newImage("images/~head_2_.jpg");
    suzuki_     = newImage("images/~head_4_.jpg");
    fiat_       = newImage("images/~head_6_.jpg");
    preloadFlag = true;
  }
}

function PicCheck(inFileName) {
  var intStatus=false;
  if (inFileName.substring(inFileName.length-4).toLowerCase()=='.jpg') {intStatus=true}
  if (inFileName.substring(inFileName.length-4).toLowerCase()=='.gif') {intStatus=true}
  if (inFileName.substring(inFileName.length-4).toLowerCase()=='.bmp') {intStatus=true}
  return intStatus;
}

function GenererPassord(intNew) {
  SjulPass(intNew)
  document.getElementById('funksjon').value='GeneratePassword';
  alert('Passordet blir generert når du fullfører siden.');
}

function VisSjulPassord(intNew) {if(document.getElementById('ByttPass').value=='Vis passord') {VisPass(intNew)} else {SjulPass(intNew)};}

function VisPass(intNew) {
  document.getElementById('ByttPass').value='Sjul passord'
  document.getElementById('funksjon').value='';
  var x2=document.getElementById('PassTabell').insertRow(1)
  var c22=x2.insertCell(0)
  var c23=x2.insertCell(1)
  c22.innerHTML="Gjenta :";
  c23.innerHTML="<INPUT TYPE='password' NAME='Passord_gjenta' STYLE='width:220'>";
  c23.align='right'
  var x1=document.getElementById('PassTabell').insertRow(1)
  var c12=x1.insertCell(0)
  var c13=x1.insertCell(1)
  c12.innerHTML="Nytt :";
  c13.innerHTML="<INPUT TYPE='password' NAME='Passord_nytt' STYLE='width:220'>";
  c13.align='right'
  if (intNew>0) {
    var x0=document.getElementById('PassTabell').insertRow(1)
    var c02=x0.insertCell(0)
    var c03=x0.insertCell(1)
    c02.innerHTML="Gammelt :";
    c03.innerHTML="<INPUT TYPE='password' NAME='Passord_gammelt' STYLE='width:220'>";
    c03.align='right'
  }
}

function SjulPass(intNew) {
  if(document.getElementById('ByttPass').value!='Vis passord') {
    document.getElementById('ByttPass').value='Vis passord';
    document.getElementById('PassTabell').deleteRow(1);
    document.getElementById('PassTabell').deleteRow(1);
    if (intNew>0) {document.getElementById('PassTabell').deleteRow(1);}
  }
}