function showprivacy()
{  
  switchdisplay("privacy", true);
}

function switchdisplay(thisid, flag)
{
   document.getElementById(thisid).className = (flag) ? "shown" : "hidden";  
}
   
function toggledisplay(thisid)
{
   document.getElementById(thisid).style.display = !document.getElementById(thisid).style.display;  
}
   
function toggle(what)
{
  var el=document.getElementById(what);
  el.className=(el.className=="hidden")?"shown":"hidden";
}
function showtab(n)
{
  var sect;
  var tab;
  if (n==maxtab) 
  {
    document.getElementById("tab" + n).className="tab activeTab";
  }
 
  for (var i=0; i < maxtab; i++) 
  {
    tab = document.getElementById("tab" + i);
    sect = document.getElementById("sect" + i); 
    if (n==i)
    {
      tab.className="tab activeTab";
      sect.className="shown";
    }
    else
    {
      tab.className="tab";
      if (n==maxtab) 
      {
        sect.className="shown";
      }
      else
      {
        sect.className="hidden";
      }
    }
  }
  if (n==maxtab) 
  {
    document.getElementById("tab" + n).className="tab activeTab";
  }
} 

function ajaxInfo(URL, postdata)
{
  // var data = "namelike=" + encodeURI(namelike) + "&ssn=" + encodeURI(ssn);
  var httpRequest;
  if (window.XMLHttpRequest) 
  { // Mozilla, Safari, ...
    httpRequest = new XMLHttpRequest();
  } 
  else if (window.ActiveXObject) 
  { // IE
    httpRequest = new ActiveXObject("Microsoft.XMLHTTP");
  }
  httpRequest.open("POST", URL, false);
  httpRequest.setRequestHeader("Content-Type","application/x-www-form-urlencoded"); 
  httpRequest.send(postdata);
  var resp=httpRequest.responseText;
  httpRequest=null;
  
  return resp;
}