/**
Funkcje odpowiedzialne za pokazywanie nazwy zdjecia, albumu oraz linkow
do albomow
**/
function show_album_name(id){
  var block = document.getElementById("album_"+id);
  block.setAttribute('class','nameShow');
}

function hide_album_name(id){
  var div = document.getElementById("album_"+id);
  div.setAttribute('class','nameHide');
}

function show_image_name(id){
  var block = document.getElementById("image_"+id);
  block.setAttribute('class','nameShow');
}

function hide_image_name(id){
  var div = document.getElementById("image_"+id);
  div.setAttribute('class','nameHide');
}

/**
Funkcje przesuwajace div.mini_img_list w prawo, w lewo oraz na poczatku
do aktywnego zdjecia
**/
var mini_img_list_div = 0;

function mini_img_list_start(img_number){
  mini_img_list_div = document.getElementById('mini_list');
  var img_ = document.getElementById("img_"+img_number);
  var nLeft = 0;
  if(img_.offsetParent){
    nLeft = img_.offsetLeft;
  }
  if(nLeft>350){
   mini_img_list_div.scrollLeft = nLeft-350;
  }
}

function move_list_left(){
  var nLeft =  mini_img_list_div.scrollLeft;
  if(nLeft>0){
     mini_img_list_div.scrollLeft -= 1;
     t = setTimeout("move_list_left()",0.1);
  }
}

function move_list_right(last){
  var nLeft =  mini_img_list_div.scrollLeft;
  var nWidth = mini_img_list_div.offsetWidth;
  if(nLeft != last){
     mini_img_list_div.scrollLeft += 1;
    t = setTimeout("move_list_right("+nLeft+")",0.1);
  }    
}

function move_stop(){
 clearTimeout(t);
}

/**
Ruchome logo
**/

var sliced = new Array();
var present_img = 1;
var images_nbr = 3;
var time_to_change = 5000;
var slice_can_go;
var after_change = true;
var change_jet = new Array();  
var slice_count = 27;
function next_img(){
  after=change = false;
  if(sliced[0] != "ok") {
   sliced[0] = "ok";
   for(var i=1; i<=slice_count; i++){
     sliced[i] = document.getElementById("log"+i);
   }
  } 
  ++present_img;
  if(present_img > images_nbr)
    present_img = 1;
  var nbr = present_img;
  for(var i=1; i<=slice_count; i++)
     change_jet[i] = false;
  change_src(nbr, 1);
}
var t;
function change_src(nbr, i){
  if(i<=slice_count){
   if(i <10)
     sliced[i].src = "./logo/"+nbr+"_0"+i+".jpg";
   else
     sliced[i].src = "./logo/"+nbr+"_"+i+".jpg";
    ++i; 
    t = setTimeout("change_src('"+nbr+"',"+i+")",150);
  }
  else{
   after_change = true;
   clearTimeout(t);
   sliced_go();
  } 
}
function sliced_go(){
  if(after_change)
    slice_can_go = setTimeout("next_img()",time_to_change);
}

function sliced_break(){
  if(after_change)
   clearTimeOut(slice_can_go);
}