// JavaScript Document

function sem(id) {
  var prodzekt;
  prodzekt = document.getElementById(id);
  prodzekt.style.background='#e9e9e9';
  prodzekt.style.color='#000000';
  return false;
}

function tam(id) {
  var prodzekt;
  prodzekt = document.getElementById(id);
  prodzekt.style.background='#f6f6f6';
  prodzekt.style.color='#000000';
  return false;
}

function refsem(id) {
  var prodzekt;
  prodzekt = document.getElementById(id);
  prodzekt.style.background='url(/images/refbgon.gif) repeat-x center top';
  return false;
}

function reftam(id) {
  var prodzekt;
  prodzekt = document.getElementById(id);
  prodzekt.style.background='url(/images/refbg.gif) repeat-x center top';
  return false;
}

function show(kat, uroven){
	if (uroven > 2) uroven = 2;
	var podmenu;
	if (podmenu = document.getElementById(kat)) {
		var visible = (podmenu.style.display!='none');
		if(visible){
			podmenu.style.display='none';
		} else {
			podmenu.style.display='block';
		}
	}
	return false;
}

// JavaScript Document
/** fce nalezeni elementu */
function getElement(id) {
  if(document.getElementById) return document.getElementById(id);
  if(document.all) return document.all(id);
  return document.layers[id];
}

/** fce vytiskne stranku */
function printMe() {
  window.print();
}

/** fce registruje funkce na udalosti objektu */
function addEvent(obj, evType, fn) {
  if(obj.addEventListener) {
	  obj.addEventListener(evType,fn,true);
		return true;
	} else if(obj.attachEvent) {
	  var r = obj.attachEvent("on"+evType,fn);
		return r;
	}
  return false;
}

addEvent(window,'load',refreshObjects);


function refreshObjects(){
	var objects = document.getElementsByTagName("object");
	for (var i=0; i<objects.length; i++) {
 		objects[i].removeAttribute("data");
 		objects[i].outerHTML = objects[i].outerHTML;
 	}
}