$("#fbContainerHolder").mouseover(function(){
  //$(window).scrollTo($(".l-top-head h1"), "slow");
  if (window.addEventListener)
  	window.addEventListener('DOMMouseScroll', wheel, false);
  window.onmousewheel = document.onmousewheel = wheel;
});
$("#fbContainerHolder").mouseout(function(){
  if (window.removeEventListener)
  	window.removeEventListener('DOMMouseScroll', wheel, false);
  window.onmousewheel = document.onmousewheel = null;
});