$(document).ready(function() {
  $(".fbslide").each(function() { 
    var fbslide = $(this),
        closed,
        opened;
    closed = fbslide.css("right");
    opened = (parseInt(closed, 10) + 251) + "px";
    fbslide.bind("mouseenter",function(){
      fbslide.animate({"right": opened}, {queue: false}, "slow");
    });   
    fbslide.bind("mouseleave",function(){
      fbslide.animate({"right": closed}, {queue: false}, "slow");
    });    
  });
});