$(document).ready(function() {
            //generateSprites(".sitenav .nav", "current-", true, 400, "fade");
            lastBlock = $("ul.audience li a.active:first");
            act = lastBlock;
            maxWidth = 367;
            minWidth = 131;
            $("ul.audience li a").hover(
              function() {
                  $(lastBlock).animate({ width: minWidth + "px" }, { queue: false, duration: 400 });
                  //$(lastBlock).css({ backgroundPosition: "0 0" });
                  $(this).animate({ width: maxWidth + "px" }, { queue: false, duration: 400 });
                  //$(this).css({ backgroundPosition: "0px -400px" });
                  lastBlock = this;
              },
              function() {
                  if ($(this).hasClass("active")) return;
                  $(this).animate({ width: minWidth + "px" }, { queue: false, duration: 400 });
                  //$(this).css({ backgroundPosition: "0 0" });
                  act.animate({ width: maxWidth + "px" }, { queue: false, duration: 400 });
                  //act.css({ backgroundPosition: "0px -400px" });
                  lastBlock = act;
              }
            );

        });