$(document).ready(function() {
$(".sliderItem").mouseenter(function(){ ShowSignpostSummary($(this)); }).mouseleave(function(){ HideSignpostSummary($(this)); });
});

function ShowSignpostSummary(box)
{
     box.children(".details").animate({bottom:"1px"},600);
     box.children(".details").children(".background").animate({opacity: '0.6'},400);
}

function HideSignpostSummary(box)
{
     box.children(".details").animate({bottom:"-59px"},600);
     box.children(".details").children(".background").animate({opacity: '0.5'},400);
}