/*
 * POZOR - soubor musi mit KODOVANI UTF-8
 * zobrazovani a ovladani obrazku  
 */
//************************************************************//
// konfigurace
var images_dir = '/images/gallery/'; // adresar s obrazky
var images = new Array( // seznam obrazku v danem adresari, ktere chceme zobrazovat - pozor! pro mapa_miskovice je treba jeste upravit odkaz, resp. index/poradi ve funkci switchImage() nize
                       '001.jpg',
                       '002.jpg',
                       '003.jpg',                       
                       '004.jpg',
                       '005.jpg',
                       '006.jpg',
                       '007.jpg',
                       '008.jpg'
                      );

//************************************************************//
// globalni promenne
var position = 0;
var images_count = images.length;
//************************************************************//

/*
 * funkce zobrazi misto obrazku jiny obrazek, odkaz s id map-link bude odkazovat na obrazek
 *  
 * param  id_image  id obrazku
 * param  mode      prev/next - predchozi/dalsi obrazek, default: zobrazi se nahodny obrazek
 */
function switchImage(id_image, mode)
{
  var pos = 0;

  var map_link = document.getElementById('map-link');
  map_link.href = '';
  map_link.title = '';

  var image = document.getElementById(id_image);
  image.alt = '';

  switch (mode) {
    case 'next':
      pos = ++position % images_count;
      image.src = images_dir + images[pos];
      map_link.href = image.src;
      break;
    case 'prev':
      if (position == 0) {
        position = images_count;
      }
      pos = --position % images_count;
      image.src = images_dir + images[pos];
      map_link.href = image.src;
      break;    
    case 'mapa':      
      pos = 7;
      position = pos;
      image.src = images_dir + images[pos];
      map_link.href = image.src;

      break;    
    default: // nahodne vybereme obrazek
      position = Math.floor(Math.random() * (images_count));
      pos = position;
      image.src = images_dir + images[position];
      map_link.href = image.src;
      break;
    }
    if (pos == 7) { //mapa - nastavime href, title a alt
      //map_link.href = 'http://www.mapy.cz/#x=133349367@y=136200484@z=13@mm=ZP@sa=s@st=s@ssq=Mi%C5%A1kovice,%20Praha@sss=1@ssp=133334592_136176128_133390784_136228544';
      //map_link.href = 'http://maps.google.cz/maps?f=q&source=embed&hl=cs&geocode=&q=Travel+Hotel+Prague+spol.+s+r.o&aq=&sll=49.930008,15.369873&sspn=5.071042,12.513428&brcurrent=5,0,0&ie=UTF8&hq=Travel+Hotel+Prague+spol.+s+r.o&hnear=&cid=5445133080992035614&ll=50.156336,14.543409&spn=0.026396,0.054932&z=14&iwloc=A&output=embed&TB_iframe=true&height=600&width=800';
        map_link.href = 'http://maps.google.cz/maps?f=q&source=s_q&hl=cs&geocode=&q=Travel+Hotel+Prague+spol.+s+r.o&aq=&sll=49.930008,15.369873&sspn=5.071042,12.513428&brcurrent=5,0,1&ie=UTF8&hq=Travel+Hotel+Prague+spol.+s+r.o&z=18&output=embed&TB_iframe=true&height=570&width=870';

    	map_link.title = 'Mapa (v novém okně)';
      image.alt = 'Mapa Miškovice';
    }
    return false;
}

//************************************************************//