var currentIndex = 1;

function show_pic(index, admin)
{
  if (index != currentIndex) {
    var lastIndex = currentIndex;
    currentIndex = index;
    ShowImage(lastIndex);
  }

  if (admin == true){  
    $('#admin-area').fadeIn(450);
  }
  else {
    $('#admin-area').fadeOut(350);
  }
}

function ShowImage(lastIndex)
{
  $('.frame-406x430 img').eq(lastIndex-1).fadeOut(350, function(){
    $('.frame-406x430 img').eq(currentIndex-1).fadeIn(350);
  });
}