function search() {
    var element = 'model';
    try {
        if (!$F(element)) throw new Error('ÇëÊäÈëÐͺÅ!');
        return true;
    } catch (e) {
        alert(e.message);
        $(element).focus();
        return false;
    }
}
function friendLink(url) {
    if (!url) return;
    window.open(url);
}
function setFormAction(form, type) {
    var form = $(form);
    switch (type) {
        case 0:
           form.action = 'http://www.100xh.cn/search.php';
            break;
        case 1:
            form.action = 'http://www.100xh.cn/price.php';
    }
}