function getFBNS(){
  var html = document.getElementsByTagName('html')[0];
  html.setAttribute('xmlns:fb','http://www.facebook.com/2008/fbml');
}

function getFBLogin(loc, label){
  var el = document.createElement('fb:login-button');
  el.setAttribute('autologoutlink','true');
  el.innerHTML = label;
  document.getElementById(loc).appendChild(el);
}

function getFBLike(loc)
{
  var fb = document.createElement('fb:like');
  fb.setAttribute('show_faces','false');
  fb.setAttribute('width','160');
  fb.setAttribute('layout','button_count');
  document.getElementById(loc).appendChild(fb);
}