// JavaScript Document
/*function Get_Cookie(name) { 
   var start = document.cookie.indexOf(name+"="); 
   var len = start+name.length+1; 
   if ((!start) && (name != document.cookie.substring(0,name.length))) return null; 
   if (start == -1) return null; 
   var end = document.cookie.indexOf(";",len); 
   if (end == -1) end = document.cookie.length; 
   return unescape(document.cookie.substring(len,end)); 
} 
function Set_Cookie(name,value,expires,path,domain,secure) { 
    var cookieString = name + "=" +escape(value) + 
       ( (expires) ? ";expires=" + expires.toGMTString() : "") + 
       ( (path) ? ";path=" + path : "") + 
       ( (domain) ? ";domain=" + domain : "") + 
       ( (secure) ? ";secure" : ""); 
    document.cookie = cookieString; 
}
function Delete_Cookie(name,path,domain) { 
   if (Get_Cookie(name)) document.cookie = name + "=" + 
      ( (path) ? ";path=" + path : "") + 
      ( (domain) ? ";domain=" + domain : "") + 
      ";expires=Thu, 01-Jan-70 00:00:01 GMT"; 
}
function odroluj(){
	var objDiv = document.getElementById("discussion1");
	objDiv.scrollTop = Get_Cookie("rolovano");
}

function disc_roll(){
  Set_Cookie('rolovano', document.getElementById("discussion1").scrollTop);
}
*/


function nacti(rok){
  rok_zv(rok); 
  b_zv('home'); 
  var url=document.location.href;
  var re=/#/;
  var result=url.split(re);
  if (result[1]){
     rok_zv(result[1]); 
     ziskejData('thumbnails.php?y='+result[1]+'', 'thumbnails0');
     ziskejData('photo.php?id_ph='+result[2]+'&y_ph='+result[1]+'', 'content');
     b_zv();
  }
  else {
     rok_zv(rok); 
     ziskejData('thumbnails.php?y='+rok+'', 'thumbnails0');
     ziskejData('home.php', 'content');
  }
}

function rol(){
  document.getElementById("thumbnails").scrollTop="0";
}

function drop()
{
      var opravdu=confirm("Opravdu smazat?");
      if (opravdu)
      {
        return true;
      } else
      {
        return false;
      }
};

var akt = "2007";
function rok_zv(id){
  document.getElementById(akt).style.color="";
  document.getElementById(akt).style.borderColor="";
  document.getElementById(id).style.color="white";
  document.getElementById(id).style.borderColor="white";
  akt=id;
}
var bakt = "home";
function b_zv(bid){
  document.getElementById(bakt).style.backgroundImage="";
  document.getElementById(bid).style.backgroundImage="url(images/amenubackh.png)";
  bakt=bid;
}
var raakt = "comread";
function readadd(pole){
  document.getElementById(raakt).style.display="none";
  document.getElementById(pole).style.display="block";
  raakt=pole;
}


      function ziskejData(zdrojDat, divID) 
      { 
      
        var XMLHttpRequestObjekt = false; 
  
        if (window.XMLHttpRequest) {
          XMLHttpRequestObjekt = new XMLHttpRequest();
        } else if (window.ActiveXObject) {
          XMLHttpRequestObjekt = new ActiveXObject("Microsoft.XMLHTTP");
        }
      
        if(XMLHttpRequestObjekt) {
          var obj = document.getElementById(divID); 
          XMLHttpRequestObjekt.open("GET", zdrojDat); 

          XMLHttpRequestObjekt.onreadystatechange = function() 
          { 
            if (XMLHttpRequestObjekt.readyState == 4 && 
              XMLHttpRequestObjekt.status == 200) { 
                obj.innerHTML = XMLHttpRequestObjekt.responseText; 
            } 
          } 

          XMLHttpRequestObjekt.send(null); 
        }
      }




function jeemail(adr){
  re = /^[^.]+(\.[^.]+)*@([^.]+[.])+[a-z]{2,3}$/;
  return adr.search(re) == 0;
}


var data="";
var div="";
var tl="";

function comsubmit(zdrojDat, divID, tlac){
    data=zdrojDat;
    div=divID;
    tl=tlac;
}
function read(){
    if(tl){
      readadd(tl);
    }
    ziskejData(data, div);
}


function form_contrib_close(){
    document.getElementById('add_contrib').style.display='block';
    document.getElementById('discform').style.display='none';
    document.getElementById('discussion1').style.height='';
    document.getElementById('discussion1').style.marginTop='';
}
function form_contrib_show(id) {
    document.getElementById('add_contrib').style.display='none';
    document.getElementById('discform').style.display='block';
    document.getElementById('discussion1').style.height='471px';
    document.getElementById('discussion1').style.marginTop='-36px';
    if(id){
      document.form_comment.re_id.value=id
    }
}  

  function getKeyCode(e) {
    var ret;
    if (!e) {
      var e = window.event;
    }
    if (e.charCode) {
      ret = e.charCode;
    } else
    if (e.keyCode) {
      ret = e.keyCode;
    } /*else
    if (e.which) {
      ret = e.which;
    }*/
    return ret;
  }
  
function jakaKlavesa(e) {
    if(getKeyCode(e)==37 && document.zpetdalsi.id_ph1.value!=''){
      document.location.href='#'+document.zpetdalsi.y_ph.value+'#'+document.zpetdalsi.id_ph1.value;
      document.getElementById('thumbnails').scrollTop=document.zpetdalsi.scroll1.value; ziskejData('photo.php?id_ph='+document.zpetdalsi.id_ph1.value+'&y_ph='+document.zpetdalsi.y_ph.value+'', 'content');
    }
    if(getKeyCode(e)==39 && document.zpetdalsi.id_ph2.value!=''){
      document.location.href='#'+document.zpetdalsi.y_ph.value+'#'+document.zpetdalsi.id_ph2.value;
      document.getElementById('thumbnails').scrollTop=document.zpetdalsi.scroll2.value; ziskejData('photo.php?id_ph='+document.zpetdalsi.id_ph2.value+'&y_ph='+document.zpetdalsi.y_ph.value+'', 'content');
    }
    //return false;
  }