$(document).ready(function() {
    $("#btnGoSearch").click(function() {
        var url = "/Search/Default.aspx?sk=" + escape($("#txtSearchKey").val(), false) + "&tp=1";
        window.location.href = url;
        return false;
    });

    $("#txtSearchKey").keydown(function(event) {
        if (event.keyCode == 13) {
            var url = "/Search/Default.aspx?sk=" + escape($("#txtSearchKey").val(), false) + "&tp=1";
            window.location.href = url;
            return false;
        }
    });

});