var selected = null;
var hover_selected = null;
$(document).ready(function () {
    $('.map_form_go').bind('click', function (e) {
        e.preventDefault();
        $(this).parent('form').submit();
    });
    $('#nav ul.subnav').each(function () {
        if ($('li', this).length == 0) {
            $(this).hide();
        }
    });

    $('body.map #nav li.selected:first').removeClass('selected');

    if (!($.browser.msie && $.browser.version.substr(0, 1) < 7)) {

        selected = $('#nav li.selected:first');
        selected.addClass('orig_selected');

        $('#nav .subnav').mouseenter(function () {
            hover_selected = $(this).parent();
            hover_selected.addClass('selected');
        });

        $('#nav .subnav').mouseleave(function () {
            if (!hover_selected.hasClass('orig_selected')) {
                hover_selected.removeClass('selected');
            }
        });

    }

});