SHow/Hide container using JQuery

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function showHide() {

        var display = $("div#containerId").css('display')
        if (display == "none") {
            $("div#searchbar").slideDown("slow");
            $("#searchButton").attr("value", "Hide");
        }

        else {
            $("div#containerId").slideUp("slow");
            $("#searchButton").attr("value", "Show");
        }
   

    }