$(document).ready(function () {
    //slide down if clicked
    $(".accordionItem").slideUp();
    $("#litCategoryInAccordion1").click(function () {
        $(".accordionItem").slideUp();
        $('#itemInAccordion1').slideDown();
    });
    $("#litCategoryInAccordion2").click(function () {
        $(".accordionItem").slideUp();
        $('#itemInAccordion2').slideDown();
    });
    $("#litCategoryInAccordion3").click(function () {
        $(".accordionItem").slideUp();
        $('#itemInAccordion3').slideDown();
    });
    $("#litCategoryInAccordion4").click(function () {
        $(".accordionItem").slideUp();
        $('#itemInAccordion4').slideDown();
    });

    //if already slid down. slide up if clicked
});