var oHolderHeight, holderDiv, bottomDiv;
function reset() {
  if (!holderDiv) holderDiv = document.getElementById('holder');
  if (!bottomDiv) bottomDiv = document.getElementById('bottom');
  oHolderHeight = holderDiv.style.height;
  holderDiv.style.height = holderDiv.offsetHeight + 'px';
  bottomDiv.style.bottom = '1px';
  setTimeout("holderDiv.style.height=oHolderHeight; bottomDiv.style.bottom='0px';", 0);
}
function voteByLabelClick(id) {
	var i, labels, form;
	// najdeme formular
	form = document.getElementById(id);
	// budeme pokracovat jedine, pokud jsme
	// nasli formular
	if (form) {
		// formulari priradime tridu "voteByLabel",
		// pres kterou je v CSS definovano skryti
		// radiobuttonu a obarveni labelu tak, aby
		// vypadaly jako odkazy
		form.className += ' voteByLabelClick';
		// najdeme labely
		labels = form.getElementsByTagName('label');
		for (i = 0; i < labels.length; i++) {
			// kazdemu opet priradime na onclick
			// funkci, ktera odesle formular
			labels[i].onclick = function () {
				if (form.onsubmit instanceof Function && false === form.onsubmit()) {
					return false;
				}
				// nastaveni radiu pro tuto volbu checked na true
				document.getElementById(this.htmlFor).checked = true;
				form.submit();
			}
		}
	}
}

function stahniData(id, image) {
 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/foto.php?id='+id+'&image='+image+'&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 toggleTable(el) {
  var myelement = document.getElementById(el);

  if( !myelement.style.display || myelement.style.display == "none" ) {
	 myelement.style.display = "block"
  } else {
    myelement.style.display = "none";
  }
}
function Zvets(url){
var scr = window.screen;
var product = window.open(url,'veloFullSize',"top=10,left=10,height=480,width=640,status=no,toolbar=no,menubar=0,location=0,resizable=1,scrollbars=0");product.focus();
}

function SwitchRadio(formId) {
 var prepinaciPole = document.getElementById(formId);
 for(var i = 0; i< prepinaciPole.length; i++) {
  if(prepinaciPole[i].checked) {
   top.document.location.replace('?'+prepinaciPole[i].name+'='+prepinaciPole[i].value);
  }
 }
}

function SwitchForm(pole) {
 var stranka = document.getElementById(pole).options[document.getElementById(pole).selectedIndex].value;
 if (stranka > "")
  top.document.location.replace(stranka);
 return false;
}