function zoom(url){
 var scr = window.screen;
 var product = window.open(url,'zoom_page',"top=10,left=10,height=480,width=640,status=no,toolbar=no,menubar=0,location=0,resizable=1,scrollbars=0");
 product.focus();
}

function stahniData(id,fotka,popisek) {
 var hlavicka = document.getElementsByTagName('head')[0];
 var dataLoader = document.getElementById('scriptLoader');
 if(dataLoader) hlavicka.removeChild(dataLoader);
 script = document.createElement('script');
 script.id = 'scriptLoader';
 script.src = '/img-fullsize/nahled.php?id='+id+'&fotka='+fotka+'&popisek='+popisek+'&r='+Math.random();
 x = document.getElementsByTagName('head')[0];
 x.appendChild(script);
 return false;
}
function vypisText(vystup,txt) {
 var vystupDom = document.getElementById(vystup);
 vystupDom.innerHTML += txt;
}
function chyba(txt) {
 alert(txt);
 return true;
}
function vymazData(vystup) {
 var vystupDom = document.getElementById(vystup);
 while(vystupDom.hasChildNodes()) vystupDom.removeChild(vystupDom.childNodes[0]);
 return false;
}

function disableSumbitFormButton(pole){
 document.getElementById(pole).disabled = true;
 document.getElementById(pole).value = '... odesílám data formuláře ...';
 return true;
} 

function doomFlash() {
 append_fl = document.getElementById('flash');
 
 var mycontent=
  '<object id="flash_object" type="application/x-shockwave-flash" data="/bg.swf" width="800" height="373">'
 +' <param name="movie" value="/bg.swf" />'
 +' <param name="flashvars" value="imageToLoad=index.jpg">'
 +' <param name="menu" value="false" />'
 +' <param name="quality" value="high" />'
 +' <param name="wmode" value="transparent" />'
 +'</object>';
 
 append_fl.innerHTML=mycontent;
}

function shohHiddenFeat(el) {
  var myelement = document.getElementById(el);
  var myelementFeat = document.getElementById(el+'-feat');

  if( !myelement.style.display || myelement.style.display == "none" ) {
	 myelement.style.display = "block"
	 myelementFeat.style.display = "none"
  } else {
    myelement.style.display = "none";
    myelementFeat.style.display = "block"
  }
}