var id_active_menu = 'a_menu_0';

function chng_menu(t,poz2){
  var i;
  //div_menu = document.getElementById("menu"+poz2);
  
  div_pod_menu = document.getElementById("span_pod_menu");
  
  td_html = "";
  div_pod_menu.innerHTML = " ";
  if (pod_menu[poz2]){
    for(i = 0;i < pod_menu[poz2].length;i++){    
      td_html = td_html + '<a href="'+ pod_menu[poz2][i][1]+'" '
        + ((pod_menu[poz2][i][3])?'class="active"':'')+'>' + pod_menu[poz2][i][0] + '</a>';                
    }
    if (id_active_menu) document.getElementById(id_active_menu).className = '';
    if (t.id){
      //t.className = 'active';
      id_active_menu = t.id;
    }else{
      id_active_menu = 'a_menu_'+poz2;
    }      
    if (td_html != ""){  
      if (t.offsetTop > 10){
        div_pod_menu.style.left = (t.offsetLeft + t.offsetWidth + 25) + 'px';
        div_pod_menu.style.top = (t.offsetTop - 2) + 'px';
      }else{
        div_pod_menu.style.left = (t.parentNode.parentNode.parentNode.parentNode.parentNode.offsetLeft + t.offsetWidth +28 ) + 'px';
        div_pod_menu.style.top = (t.offsetTop + t.parentNode.offsetTop+ t.parentNode.parentNode.offsetTop + t.parentNode.parentNode.parentNode.offsetTop + t.parentNode.parentNode.parentNode.parentNode.offsetTop +10) + 'px';
      }
      div_pod_menu.innerHTML = td_html;
      div_pod_menu.style.display = 'block';
    }
  }else{
    clear_menu(t);
  }
  return;
}
function clear_menu(){
  div_pod_menu = document.getElementById("span_pod_menu");
  div_pod_menu.innerHTML = "&nbsp;";
  div_pod_menu.style.display = 'none';
  
  if (id_active_menu) document.getElementById(id_active_menu).className = '';
  //t.className = 'active';
  //id_active_menu = t.id;
  //alert('clear');
}

function open_window(url){
  window.open(url);
}