var dnes_pole_img = Array("img/dnes/0.jpg", "img/dnes/1.jpg","img/dnes/2.jpg","img/dnes/3.jpg","img/dnes/4.jpg");
var pole_img = Array("img/brana.jpg", "img/f2.jpg", "img/f1.jpg", "img/f3.jpg", "img/f4.jpg", "img/f5.jpg", "img/f6.jpg", "img/f7.jpg", "img/f8.jpg", "img/f9.jpg", "img/f10.jpg"); // obrázky na úvodní stránce, měli by mít velikost 164 x 233 px 

function dnes_fadeOut2(objId,opacity,min) 
{
  if (document.getElementById) 
  {
    obj = document.getElementById(objId);
    if (opacity > 0) 
    {
      setOpacity(obj, opacity);
      opacity -= 10;
      window.setTimeout("dnes_fadeOut2('"+objId+"',"+opacity+","+min+")", 100 );
    }
    else
    {
      dnes_change_img2(min);
    }
  }
}

function dnes_change_img(dnes_min)
{  
  dnes_fadeOut2("imgDnes",100,dnes_min);
}

function dnes_change_img2(dnes_min)
{  
  var dnes_img = document.getElementById("imgDnes");
  dnes_img.src = dnes_pole_img[dnes_min];
  dnes_min++;
  if(dnes_min >= dnes_pole_img.length)
    dnes_min = 0;
    
  fadeIn("imgDnes",0);
  window.setTimeout("dnes_change_img("+dnes_min+")",5000);  
}




function change_img(min)
{  
  fadeOut2("imgBrana",100,min);
}

function change_img2(min)
{  
  var img = document.getElementById("imgBrana");
  img.src = pole_img[min];
  min++;
  if(min >= pole_img.length)
    min = 0;
    
  fadeIn("imgBrana",0);
  window.setTimeout("change_img("+min+")",5000);  
}




function init_mainImages()
{
  var img = document.getElementById("imgBrana");
  img.src = pole_img[0];
  
  var polePom = Array(pole_img.length);
  
  for(i = 0; i < pole_img.length; i++)
  {
    polePom[i] = new Image();
    polePom[i].src = pole_img[i];
  }
  
  window.setTimeout('change_img(1)',5000);



  var dnes_img = document.getElementById("imgDnes");
  dnes_img.src = dnes_pole_img[0];
  
  var dnes_polePom = Array(dnes_pole_img.length);
  
  for(i = 0; i < dnes_pole_img.length; i++)
  {
    dnes_polePom[i] = new Image();
    dnes_polePom[i].src = dnes_pole_img[i];
  }
  
  window.setTimeout('dnes_change_img(1)',3000);
}












function foto_click(img)
{
  var mainFoto = document.getElementById("fotoMain");
  var mainImg = mainFoto.src;
  mainFoto.src = img.src;
  img.src = mainImg;
}

function mainfoto_click()
{
  var img = document.getElementById("fotoMain");
  var width = img.width;
  var height = img.height;
  var top = (screen.availHeight / 2) - (height / 2);
  var left = (screen.availWidth / 2) - (width / 2);
  msg = window.open('image.php?url='+img.src, 'nove_okno', 'toolbar=no, menubar=no, cation=no, directories=no, scrollbars=no, location=no, resizable=yes, status=no, width='+width+', height='+height+',top='+top+', left='+left);
}
function open_full(src, width, height)
{
  var top = (screen.availHeight / 2) - (height / 2);
  var left = (screen.availWidth / 2) - (width / 2);
  msg = window.open('image.php?url='+src, 'nove_okno', 'toolbar=no, menubar=no, cation=no, directories=no, scrollbars=no, location=no, resizable=yes, status=no, width='+width+', height='+height+',top='+top+', left='+left);

}

function show_progressbar()
{
  document.write("<style type='text/css'> #fotoMain {visibility: hidden;} </style>");
  image = document.getElementById("fotoMain");
}

function image_click()
{
  image = document.getElementById("fotoMain");
  setOpacity(image, 100);
  image.style.visibility = 'visible';
  fadeOut("fotoMain",100);
}

function image_loaded()
{
 document.getElementById("progressbar").style.display = "none";
  image = document.getElementById("fotoMain");
  setOpacity(image, 0);
  image.style.visibility = 'visible';
  //image.style.display = "inline";
  
  fadeIn("fotoMain",0);
}

function setOpacity(obj, opacity) 
{
  opacity = (opacity == 100)?99.999:opacity;
  obj.style.filter = "alpha(opacity:"+opacity+")";
  obj.style.KHTMLOpacity = opacity/100;
  obj.style.MozOpacity = opacity/100;
  obj.style.opacity = opacity/100;
}

function fadeIn(objId,opacity) 
{
  if (document.getElementById) 
  {
    obj = document.getElementById(objId);
    if (opacity <= 100) 
    {
      setOpacity(obj, opacity);
      opacity += 10;
      window.setTimeout("fadeIn('"+objId+"',"+opacity+")", 100);
    }
  }
}

function fadeOut(objId,opacity) 
{
  if (document.getElementById) 
  {
    obj = document.getElementById(objId);
    if (opacity > 0) 
    {
      setOpacity(obj, opacity);
      opacity -= 10;
      window.setTimeout("fadeOut('"+objId+"',"+opacity+")", 100);
    }
    else
    {
      window.close();
    }
  }
}

function fadeOut2(objId,opacity,min) 
{
  if (document.getElementById) 
  {
    obj = document.getElementById(objId);
    if (opacity > 0) 
    {
      setOpacity(obj, opacity);
      opacity -= 10;
      window.setTimeout("fadeOut2('"+objId+"',"+opacity+","+min+")", 100 );
    }
    else
    {
      change_img2(min);
    }
  }
}