document.documentElement.className="skrypt"
window.onload = function() {
if (!document.getElementsByTagName) return false;
if (window.location.hash) {
el=document.getElementById(window.location.hash.substr(1));
if (el) el.className='otwarty';
}
  initState();
  var lnks = document.getElementById("menu").getElementsByTagName("li");
  for (var i=0; i<lnks.length; i++) {
    if(lnks[i].className == "rozwin"){
      lnks[i].onclick = function() {
        toggle(this.getAttribute("id"));
        return true;
      };
				lnks[i].onkeyup = function() {
        toggle(this.getAttribute("id"));
        return false;
      }
    }
  }
}

function initState () {
	var subHeads = document.getElementById("menu").getElementsByTagName("li");
	for (var k=0; k<subHeads.length; k++) {
		var holdText = subHeads[k].firstChild.data;
		subHeads[k].className = "rozwin";
	  subHeads[k].setAttribute('id',"ktory" + [k+1]);
	}
}

function toggle(id){
	var allLists = document.getElementsByTagName("div");
	for (var x=0; x<allLists.length; x++) {
		if(allLists[x].className == "otwarty") {
			allLists[x].className = "zamkniety";
			}};
	var ul = "div_" + id;
	var ulElement = document.getElementById(ul);
	if (ulElement){
		if (ulElement.className == "zamkniety"){
			ulElement.className = "otwarty";
		}else{
			ulElement.className = "zamkniety";
		}
	}
}