function changeTab(server, tab)
{
  try
  {
    MakeHttpRequest("GET", server + "pages/tabs.php?nbtab=" + tab, true, response_changeTab);
  } 
  catch(err)
  {
  }
}

function response_changeTab(httpRequest)
{
  try
  {
    if(4 == httpRequest.readyState)
    {
      if(200 == httpRequest.status)
      {
        var xml = getResponseXML(httpRequest);    
        var d = getElementById(xml, 'div', 'tab');
        var d2 = document.getElementById('tab');
        d2.innerHTML = getContent(d);
      }
    }  
  }
  catch(err)
  {
  }
}

function changeContactsTown(server, town)
{
  try
  {
    MakeHttpRequest("GET", server + "pages/change_town.php?town=" + town, true, response_changeContactsTown);
  } 
  catch(err)
  {
  }
}

function response_changeContactsTown(httpRequest)
{
  try
  {
    if(4 == httpRequest.readyState)
    {
      if(200 == httpRequest.status)
      {
        var xml = getResponseXML(httpRequest);    
        var d = getElementById(xml, 'div', 'contacts_photos');
        var d2 = document.getElementById('contacts_photos');
        d2.innerHTML = getContent(d);
        d2.className = getClass(d);
      }
    }  
  }
  catch(err)
  {
  }
}

function changeEventsTab(server, tab, max)
{
  try
  {
    MakeHttpRequest("GET", server + "pages/events_tabs.php?nbtab=" + tab + "&maxtab=" + max, true, response_changeEventsTab);
  } 
  catch(err)
  {
  }
}

function response_changeEventsTab(httpRequest)
{
  try
  {
    if(4 == httpRequest.readyState)
    {
      if(200 == httpRequest.status)
      {
        var xml = getResponseXML(httpRequest);    
        var d = getElementById(xml, 'div', 'events_tabs');
        var d2 = document.getElementById('events_tabs');
        d2.innerHTML = getContent(d);
      }
    }  
  }
  catch(err)
  {
  }
}