function moreLanguages(more, less) { var size = document.getElementById('availableLanguages').style.width;  if(more) { var sizeTo = "100"; document.getElementById( 'moreLanguages').style.display = "none"; document.getElementById('lessLanguages').style.display = "inline"; document.getElementById('availableLanguages').style.width = sizeTo + "%"; } else {  var sizeTo = "40"; document.getElementById('moreLanguages').style.display = "inline"; document.getElementById('lessLanguages').style.display = "none"; document.getElementById('availableLanguages').style.width = sizeTo + "px"; }  } function showFriends() {  if(document.getElementById('friends').style.visibility  == 'hidden' || document.getElementById('friends').style.visibility == '') { document.getElementById('friends').style.visibility = 'visible'; } else {  document. getElementById('friends').style.visibility = 'hidden';  }  }