function pre(f,o,n,prod){
    //n = numbr of colors, o = object, 
    var products = new Array();
    products[0] = new Array(); //ok, xylamon
    products[1] = new Array();//ok,szuolo
    products[2] = new Array('szintelen','cedrus','harsfa','vorosfenyo','borovi','tolgy','antikfenyo','mahagoni','gesztenye','teak','dio','paliszander','fenyozold'); //ok, classic
    products[3] = new Array('mahagoni','szintelen','teak','dio','koris','paliszander', 'borovi', 'erettborovi','voros','kek','zold'); //ok, extra
    products[4] = new Array('feher','sarga','voros','sotetbarna','fekete', 'zold', 'mohazold','ezustszurke'); //ok, color
    products[5] = new Array('bambusz','aranycedrus','oszinarancs','egomahagoni','teak','antikmahagoni','mahagoni','dio','paliszander'); //ok, royal
    products[6] = new Array('fedofeher','nyersfa','szilfa','dio','sipo','meranti','rozsafa','mogyoro','afrikaiwenge'); //ok, oversol
    products[7] = new Array('szintelen','koris','cedrus','vorosfenyo','borovi','teak','mahagoni','teak','paliszander'); //ok, aqua
    
    document.getElementById('preview').src = 'content/szin-' + f + '.jpg';
    
    for (var x = 0; x <= n; x++)
     {
      document.getElementById('c' + x ).src = 'content/szin-' + products[prod][x] + '.gif';
     }
    
    o.src = 'content/szin-' + f + '-o.gif';
}


function showBox(){
    document.getElementById('overlay').style.display = 'block';
    new Effect.Appear('lightbox', { duration: 0.4 });
    $('flash-main').style.visibility = 'hidden';
    $('text-main').style.visibility = 'hidden';
    
}
 

function hideBox(){
    document.getElementById('overlay').style.display = 'none';
    //new Effect.Fade('overlay', { duration: 0.1 });
    new Effect.Fade('lightbox', { duration: 0.4 });
    $('flash-main').style.visibility = 'visible';
    $('text-main').style.visibility = 'visible';
}

function setOverlayForIe6(){
  //alert(document.body.offsetHeight)
  document.getElementById('overlay').style.height = document.body.clientHeight;
}


/*  */

function showMilyenKulter(){
    new Effect.Appear('tervezo-form-kulter');
    //$('tervezo-form-kulter').show();
    $('tervezo-form-belter').hide();
    $('tervezo-form-kulter').reset();
    $('mit-kulter').hide();
    $('mit-uj-belter').hide();
    $('mit-regi-belter').hide();
}

function showMilyenBelter(){
    $('tervezo-form-kulter').hide();
    new Effect.Appear('tervezo-form-belter');
    //$('tervezo-form-belter').show();
    $('tervezo-form-belter').reset();
    $('mit-uj-belter').hide();
    $('mit-regi-belter').hide();
}

function mitRegiBelter(){
    //$('mit-regi-belter').show();
    new Effect.Appear('mit-regi-belter');
    $('mit-uj-belter').hide();
    $('mit-kulter').hide();
}

function mitUjBelter(){
    //$('mit-uj-belter').show();
    new Effect.Appear('mit-uj-belter');
    $('mit-regi-belter').hide();
    $('mit-kulter').hide();
}

/* TERVEZO */

function calcPrice(prod){
    kiszerel = new Array('','0.75','0.75','0.75','0.75','0.75','0.75','0.75');
    kiadoss = new Array('','10','4','6','6','6','8','12'); // nm per liter
    ar = new Array('','1285', '1724','1504','0','1821','2590','2290');
    sqm = $('product_' + prod + '_1' ).value;
    //x = Math.round( kiszerel[prod] / kiadoss[prod]  * sqm );

    $('product_' + prod + '_2' ).value = sqm / kiadoss[prod] ;
    //$('product_' + prod + '_3' ).value = ar[prod] / kiadoss[prod] * sqm ;
    $('product_' + prod + '_3' ).value = $('product_' + prod + '_2' ).value / kiszerel[prod] * ar[prod]
}

/* VIDEO */

function showVid(){
    $('flash-main').style.visibility = 'hidden';
    $('text-main').style.visibility = 'hidden';
    document.getElementById('overlay').style.display = 'block';
    new Effect.Appear('video', { duration: 0.4 });
}

function hideVid(){
    document.getElementById('overlay').style.display = 'none';
    new Effect.Fade('video', { duration: 0.4 });
    $('flash-main').style.visibility = 'visible';
    $('text-main').style.visibility = 'visible';
}