function vepis(){
var retez=document.getElementById("banner").innerHTML;
retez=retez.replace(/banner1/, "banner2");
document.getElementById("banner").innerHTML+=retez;

document.getElementById("banner2").style.left="1208px";
}


function animace(x){
x=x-1;

if((1208+x)==0){
x=0;
}
setTimeout("document.getElementById('banner1').style.left='"+x+"px'; document.getElementById('banner2').style.left='"+(1208+x)+"px'; animace("+x+");", 75);
}

function show(soubor){
 document.getElementById('fotogalerie').innerHTML="<img src='foto/"+soubor+"' />";
 return false;
}

var y=0;
var stop=true;

function setgallery(){
document.getElementById("fotky").style.height="474px";


var sipkanavrch="<a href=\"#\" title=\"nahoru\" class=\"sipka\" onclick=\"return false;\" onmousedown=\"stop=false; scrolluj('nahoru');\" onmouseup=\"stop=true;\" onmouseout=\"stop=true;\"><img src=\"design/sipkanavrch.png\" /></a>";
var sipkadolu="<a href=\"#\" title=\"dolů\" class=\"sipka\" onclick=\"return false;\" onmousedown=\"stop=false; scrolluj('dolu');\" onmouseup=\"stop=true;\" onmouseout=\"stop=true;\"><img src=\"design/sipkadolu.png\" /></a>";

document.getElementById("kontejner").innerHTML=sipkanavrch+document.getElementById("kontejner").innerHTML;
document.getElementById("kontejner").innerHTML+=sipkadolu;
document.getElementById("fotky").innerHTML="<div id=\"obsahfotek\">"+document.getElementById("fotky").innerHTML;
document.getElementById("fotky").innerHTML+="</div>";
}

function scrolluj(smer){ 
 var rychlost=15;
 if(smer=="dolu"){
  if(!stop&&(y-rychlost)>=(-(document.getElementById('obsahfotek').scrollHeight-474))){
  y=y-rychlost;
  setTimeout("document.getElementById('obsahfotek').style.top='"+y+"px'; scrolluj('dolu')", 25);
  }
 }else{
  if(!stop&&(y+rychlost)<=0){
  y=y+rychlost;
  setTimeout("document.getElementById('obsahfotek').style.top='"+y+"px'; scrolluj('nahoru')", 25);
  }  
 }


}