$(document).ready(function () {

    // set up page header search
    $('#txtHeaderSearch').watermark({
        watermarkText: 'Search',
        watermarkCssClass: 'search_watermark'
    });
    $('#btnHeaderSearch').click(function () {
        if ($('#txtHeaderSearch').val().length > 0) {
            document.location.href = '/search.aspx?search=' + $('#txtHeaderSearch').val();
        }
    });

    
    $('#main_nav li:not(.current)')
    .css({ backgroundPosition: "0 0" })
    .mouseover(function () {
        $(this).stop().animate({ backgroundPosition: "0 -44px" }, 150, "linear")
    })
    .mouseout(function () {
        $(this).stop().animate({ backgroundPosition: "0 0" }, 150, "linear", function () {
            $(this).css({ backgroundPosition: "0 0" })
        })
    });
});