var mTime = [];
var num = 1;
window.onload = mInit;

function mInit() {

	/*
  var li = document.getElementById('hm').getElementsByTagName('li');
  for(a = 0; a < li.length; a++) {
    if(li.item(a).getElementsByTagName('ul')) { 
      li.item(a).onmouseover = new Function('zvyr(this, true);');
      li.item(a).onmouseout = new Function('zvyr(this, false);');
    }
  }
	*/



  var ul = document.getElementById('hm').getElementsByTagName('ul');
  for(a = 0; a < ul.length; a++) {
		ul.item(a).setAttribute('id','id'+num);
		num++;
    ul.item(a).parentNode.onmouseover = new Function('zobr(\'' + ul.item(a).id + '\');');
    ul.item(a).parentNode.onmouseout = new Function('schov(\'' + ul.item(a).id + '\');');
  }
}


function zobr(id) {
  var licko = document.getElementById(id);

  if (mTime[id]) {
    clearTimeout(mTime[id]);
    mTime[id] = null;
  }

  document.getElementById(id).style.display = 'block';
  // licko.parentNode.style.backgroundImage = 'url(images/menu-bg.gif)';
}

function schov(id) {
  mTime[id] = setTimeout('sh(\''+ id +'\', parent);', 50);
}

function sh(id) {
  if (id != 'id1') {
		document.getElementById(id).style.display = 'none';
		
  }
	// var licko = document.getElementById(id);
  // licko.parentNode.style.backgroundImage = 'none';
}

function zvyr(node, stav) {
  if(stav) {
    // node.style.backgroundImage = 'url(images/menu-bg.gif)';
  } else {
    // node.style.backgroundImage = 'none';
  }
}