function popup()
{
	var wdt = 400;
	var hgh = 470;
	
	var newwin = window.open(
		'',
		'pu',
		'width=' + wdt + ', height=' + hgh + ', directories=no, toolbar=no, location=no, menubar=no, scrollbars=no, status=no, resizable=no, dependent=no, top=' + Math.round((screen.height-hgh)/2) + ', left=' + Math.round((screen.width-wdt)/2)
	);
	
	newwin.focus();
}

window.onload = function()
{
  // Dero

	var as_cont = document.getElementById('nevyzadane-prispevky-nechceme');
	var as = document.getElementById('as');

  if ((as != null) && (as_cont != null))
  {
  	as.value = "10";
  	as_cont.style.position = "absolute";
  	as_cont.style.visibility = "hidden";
	}
	
	// Johny_G
	
  	var as_cont = document.getElementById('nevyzadane-prispevky-nechceme2');
  	var as = document.getElementById('as2');

  if ((as != null) && (as_cont != null))
  {  
  	as.value = "10";
  	as_cont.style.position = "absolute";
  	as_cont.style.visibility = "hidden";
  }
	
	
	var chbox1 = document.getElementById('ss0');
	var chbox2 = document.getElementById('ss1');
	
	chbox1.checked = false;
	chbox2.checked = true;
}

function changeClass(Elem, myClass) {
	var elem;
	if(document.getElementById) {
		var elem = document.getElementById(Elem);
	} else if (document.all){
		var elem = document.all[Elem];
	}
	elem.className = myClass;
}

function ratingHover(hodnota, isSperm)
{
  var obrazek = new Array();
  
  for (var i=1; i<=10; i++)
  {
    if (isSperm)
    {
      if (i<=hodnota) changeClass('rating'+i, 'sperm_on');
        else changeClass('rating'+i, 'sperm_off');
    }
    else
    {
      if (i<=hodnota) changeClass('rating'+i, 'vlocka_on');
        else changeClass('rating'+i, 'vlocka_off');
    }
  }     
}