function _gEl(n) { return document.getElementById(n); }

function init(section,pageId) {
//  document.getElementById('menu').style.top='0px';
  selectedMenu = sectionId2pos[section];
  selectedMenu = section;

  var m = _gEl('item'+selectedMenu);
  m.className = 'selected';
  m.childNodes[0].className = 'selected';

  var s = _gEl('sub_item'+selectedMenu);  
  if (!s) return;
  s.style.display = 'block';
  section--;
  //  var m = _gEl('item'+section);
  //  var sm = _gEl('submenu_'+pageId);  
  var sm = _gEl('submenu_'+pageId); 
  if (!sm) return;
  sm.className = 'selected';
  sm.childNodes[0].className = 'selected';
  return;
  if (s) {
    var p = s.cloneNode(true);
    p.style.position = 'static';
    p.style.display = 'block';
    p.style.top = '10px';
    p.style.marginTop = '23px';
    p.style.padding = '10px';
    p.style.width = '170px';
    p.id += '_clone';
    p.style.filter = 'alpha(opacity=100)';
    p.style.opacity = 1;

    document.getElementById('here').insertBefore(p,document.getElementById('here').firstChild);
    p.style.border='0px';
  }
}


function changeImage(obj,src) {
    if (typeof(src) == "undefined") {
	src = obj.childNodes[0].src;
	src = src.replace(/thumb/,'');
    }
    else {
	src = '/upload/photogallery/'+src;
    }
    document.getElementById('p_img').src = src;
    return false;
}

function setImage(num) {
    fotoIndex = num;
    document.getElementById('p_img').src = '/upload/photogallery/'+fotoList[fotoIndex-1];
    document.getElementById('p_num').innerHTML = fotoIndex;
}

function prevImage() {
    if (fotoIndex == 1) 
	setImage(fotoList.length);
    else {
        fotoIndex--;
	setImage(fotoIndex);
    }
    return false;
}

function nextImage() {
    if (fotoIndex == fotoList.length) 
	setImage(1);
    else {
	fotoIndex++;
	setImage(fotoIndex);
    }
    return false;
}