function menushow(element) {
  ulelement = element.lastChild;
  if (ulelement.tagName == 'UL') {
    act = ulelement;
  }
  else {
    act = false;
  }
  if (act) {
    act.style.display = 'block';
    act.style.zindex = '15';
  }
}

function menuhide(element) {
	ulelement = element.lastChild;
	if (ulelement) {
		if (ulelement.tagName == 'UL') {
			act = ulelement;
		}
		else {
			act = false;
		}		
		if (element.parentNode.parentNode.parentNode.parentNode.parentNode.parentNode == document.getElementById('menu') && act) {
			act.style.display = 'none';
		}	
		if (element.className.indexOf('active') > -1) {
		act = false;
		}
		if (act) {
			act.style.display = 'none';
		}
	}

}