$(document).ready(function() {
    $('#btnSearch').click(function() {
        var txtKey = $('#txtKey').val();
        var txtType = $('#selectType').val();
        var url = "/Search.aspx?key=" + encodeURIComponent(txtKey);
        url += "&type=" + encodeURIComponent(txtType);
        window.location = url;
    });

    $('select[name=selectlink]').change(function() {
        window.open(this.value, "_blank");
    });
});