function tijiao() {
    if (document.getElementById('TextBox1').value == '') {
        alert('请输入查询内容!');
        return false;
    }
}
function chaxun() {
    if (document.getElementById('searchKeyInput').value == '') {
        alert('请输入车牌号码!');
        return false;
    }
    var url = "wzcx.aspx?num=" + document.getElementById('searchKeyInput').value;
    window.open(url, "_blank")
}