$(function(){
$("#left a").not(".active").hover(
    function(){$("span",this).fadeIn("slow");},
    function(){$("span",this).fadeOut('fast');});
$("#leftarrow a").not(".disactive").hover(
    function(){$("span",this).fadeIn("slow");},
    function(){$("span",this).fadeOut('fast');});
$("#rightarrow a").not(".disactive").hover(
    function(){$("span",this).fadeIn("slow");},
    function(){$("span",this).fadeOut('fast');});
});