btn1a = new Image; btn1a.src = "images/btn1a.jpg";
btn1b = new Image; btn1b.src = "images/btn1b.jpg";

vlajka1a = new Image; vlajka1a.src = "images/flag1b.gif";
vlajka1b = new Image; vlajka1b.src = "images/flag1b.gif";
vlajka2a = new Image; vlajka2a.src = "images/flag2a.gif";
vlajka2b = new Image; vlajka2b.src = "images/flag2b.gif";
vlajka3a = new Image; vlajka3a.src = "images/flag3a.gif";
vlajka3b = new Image; vlajka3b.src = "images/flag3b.gif";

bodka_a = new Image; bodka_a.src = "images/pred_a.gif";
bodka_b = new Image; bodka_b.src = "images/pred_b.gif";

menu_img = new Image; menu_img.src = "images/menu_img6.jpg";
menu_img1 = new Image; menu_img1.src = "images/menu_img1.jpg";
menu_img2 = new Image; menu_img2.src = "images/menu_img2.jpg";
menu_img3 = new Image; menu_img3.src = "images/menu_img3.jpg";
menu_img4 = new Image; menu_img4.src = "images/menu_img4.jpg";

sipka1a = new Image; sipka1a.src = "images/sipka1a.jpg";
sipka1b = new Image; sipka1b.src = "images/sipka1b.jpg";
sipka2a = new Image; sipka2a.src = "images/sipka2a.jpg";
sipka2b = new Image; sipka2b.src = "images/sipka2b.jpg";

stat_graf = 1;

function ZmenImg(imgDocID,imgObjName,statusText)
{
document.images[imgDocID].src = eval(imgObjName + ".src");
window.status = statusText;
}

function ZmenObrazok(imgDocID,imgObjName,imgMenuName,statusText)
{
document.images[imgDocID].src = eval(imgObjName + ".src");
document.images.menu_image.src = eval(imgMenuName + ".src");
window.status = statusText;
}

function ZmenImg(imgDocID,imgObjName)
{
document.images[imgDocID].src = eval(imgObjName + ".src");
}

function select_stat() {
  var stat_PictureBox = document.getElementById("stat_obrazok");
  var stat_SelectBox = document.getElementById("stat_select");
  var box_index = stat_SelectBox.selectedIndex;
  var file_name = stat_SelectBox.options[box_index].value
  stat_PictureBox.src = "images/sk/stat_" + file_name + ".png";
  stat_graf = stat_SelectBox.selectedIndex+1;
}

function stat_Forward() {
 if (stat_graf < 9) {
   stat_graf++;
   var stat_PictureBox = document.getElementById("stat_obrazok");
   stat_PictureBox.src = "images/sk/stat_0" + stat_graf + ".png";
   var stat_SelectBox = document.getElementById("stat_select");
   stat_SelectBox.selectedIndex = stat_graf-1;
 } else {
   stat_graf = 1;
   var stat_PictureBox = document.getElementById("stat_obrazok");
   stat_PictureBox.src = "images/sk/stat_0" + stat_graf + ".png";
   var stat_SelectBox = document.getElementById("stat_select");
   stat_SelectBox.selectedIndex = stat_graf-1;
 }
}

function stat_Back() {
 if (stat_graf > 1) {
   stat_graf = stat_graf -1;
   var stat_PictureBox = document.getElementById("stat_obrazok");
   stat_PictureBox.src = "images/sk/stat_0" + stat_graf + ".png";
   var stat_SelectBox = document.getElementById("stat_select");
   stat_SelectBox.selectedIndex = stat_graf-1;
 } else {
   stat_graf = 9;
   var stat_PictureBox = document.getElementById("stat_obrazok");
   stat_PictureBox.src = "images/sk/stat_0" + stat_graf + ".png";
   var stat_SelectBox = document.getElementById("stat_select");
   stat_SelectBox.selectedIndex = stat_graf-1;
 }
}