function srol(id,popis){
document.getElementById(id).style.display="none";
document.getElementById(id+"a").innerHTML=popis;

}

function rozrol(id){ 
document.getElementById(id).style.display="block"; 
document.getElementById(id+"a").innerHTML="";

}               



function IsNumeric(input)
{
    return (input - 0) == input && input.length > 0;
}


function klavesa(e){
var keycode;
if (window.event){keycode = window.event.keyCode;}
else if (e){keycode = e.which;} 
if (keycode==39 && myPos<fotkySlozka.length-1){
  myPos++;show_picture(fotkySlozka[myPos],"Zavři");
}    
if (keycode==37 && myPos>0){
  myPos--;show_picture(fotkySlozka[myPos],"Zavři");
}
}
document.onkeydown=klavesa;

         
var myPos=0; 

function show_picture(adresa,close_hlaska,prev,next,num,total){
location.hash = jmenaSlozka[myPos];


if(document.getElementById('pokryv')){
document.body.removeChild(document.getElementById('pokryv'));
div_ramecek=null;
}


    
   var div_ramecek=null;
   var div = document.createElement('div');
   div.id='pokryv';
   
    //existuje pole fotkySlozka[]
    //a int=myPos.
    total=fotkySlozka.length;
    
    
   div_ramecek = document.createElement('div');
   div_ramecek.setAttribute('id','ramecek');
    
   div_ramecek.innerHTML='<p>';
   
   if(myPos>0)
    {
    var prev=fotkySlozka[myPos-1];
    div_ramecek.innerHTML+='<a href="javascript:myPos--;show_picture(\''+prev+'\',\''+close_hlaska+'\');" id="prev_hlaska" class="sipka">←</a>';  
    }
   
   div_ramecek.innerHTML+='<span id="poradi">'+(myPos+1)+'/'+total+'</a>';
   
   var imgClick="";
   if(myPos<total-1){
   var next=fotkySlozka[myPos+1];
   div_ramecek.innerHTML+='<a href="javascript:myPos++;show_picture(\''+next+'\',\''+close_hlaska+'\');" id="next_hlaska" class="sipka">→</a></p>';
   imgClick='javascript:myPos++;show_picture(\''+next+'\',\''+close_hlaska+'\');';
   }else{
   imgClick='javascript:close_picture();';
   }
                   
   div_ramecek.innerHTML+='<h3 id=\"title\">'+popiskySlozka[myPos]+'</h3>';
   
   
   
   div_ramecek.innerHTML+='<a href="javascript:close_picture();" id="close_hlaska">'+close_hlaska+'</a><a href="'+imgClick+'" id="imgClick"><img class="img_obrazek" src="'+adresa+'"/></a>';
   
                                       
   div.appendChild(div_ramecek);
  document.body.appendChild(div);
  /*@cc_on
   /*@if (@_win32)
      {scroll(0,0);}
   @else @*/
   /*@end
@*/
   
}


function show_single_picture(adresa,close_hlaska){

if(document.getElementById('pokryv')){
document.body.removeChild(document.getElementById('pokryv'));
div_ramecek=null;
}                      
   var div = document.createElement('div');
   div.id='pokryv';
                          
   div_ramecek = document.createElement('div');
   div_ramecek.setAttribute('id','ramecek');
    
   div_ramecek.innerHTML='<p>';
      
   var imgClick="";
   imgClick='javascript:close_picture();';
   
   div_ramecek.innerHTML+='<a href="javascript:close_picture();" id="close_hlaska">'+close_hlaska+'</a><a href="'+imgClick+'" id="imgClick"><img class="img_obrazek" src="'+adresa+'"/></a>';
                            
                                      
   div.appendChild(div_ramecek); 
  document.body.appendChild(div); 
  /*@cc_on
   /*@if (@_win32)
      {scroll(0,0);}
   @else @*/
   /*@end
@*/
}


function close_picture(){
document.body.removeChild(document.getElementById('pokryv'));
location.hash = "";
}