var num=0;
var cislo=0;


imgArray = [
  ['content/gallery/angelicon.eu_01.jpg','Angelicon', 'www.angelicon.eu'],
  ['content/gallery/angelicon.eu_02.jpg','Angelicon', 'www.angelicon.eu']
]

function slideshow(slide_num) {
  document.getElementById('mypic').src=imgArray[slide_num][0];
  document.getElementById('mypic').alt=imgArray[slide_num][1];
  document.getElementById('burns').innerHTML=imgArray[slide_num][2];
}

function slideshowUp() {
  num++;
  num = num % imgArray.length;
  cislo = num;
  slideshow(num);
}

function slideshowBack() {
  num--;
  if (num < 0) {num=imgArray.length-1;}
  num = num % imgArray.length;
  cislo = num;
  slideshow(num);
}

function actualphoto() {
  document.write(cislo+'/13');
}