$(document).ready(function(){
  function myAccordion(selector) {
		$(selector+" ul:not(:first)").hide();
		$(selector+" h3").hover(function(){	  
		  if($(this).next().css("display") == "block") { return false; }
      $(selector+" ul:visible").slideUp("fast");
			$(this).next().slideDown("fast");
		});
	}
	
	myAccordion('#my_friends_options');
});