$("li.inactive span").css("opacity", "0");
$("li.inactive a").hover(
        function() {
            //console.log("hover on");
            $(this).prev().animate({opacity:"1"},500);            
        },
        function() {        
            //console.log("hover off");
            $(this).prev().animate({opacity:"0"},500);            
        }
    );

var height=$(document).height();

$(".wrapper").css("height", height)