(new Image()).src = "/images/common/bottom-layer-left-current.png";
(new Image()).src = "/images/common/bottom-layer-right-current.png";
(new Image()).src = "/images/common/home-black.gif";
(new Image()).src = "/images/common/search-black.gif";
(new Image()).src = "/images/common/map-black.gif";

function lightItem(item)
{
    item.className = "item current";
}

function shadeItem(item)
{
    item.className = "item";
}

function lightReadyItem(item)
{
    item.className = "ready_item ready_current";
}

function shadeReadyItem(item)
{
    item.className = "ready_item";
}

function lightShadeImage(link, src)
{
    link.getElementsByTagName("img")[0].src = src;
}