function el(A){return document.getElementById(A)}

function MM_openBrWindow(theURL,winName,features)
{  //v2.0
    var winOpen = window.open(theURL,winName,features);
    winOpen.focus();
}

function doSearch()
{
    var obj_key  = el("key");
    var obj_chk1 = el("chk1");
    var obj_chk2 = el("chk2");
    var obj_chk3 = el("chk3");
    if (obj_key.value == '')
    {
        alert("请输入要查询的关键字。");
        return false;
    }
    if (obj_chk1.checked == true)
    {
        var ok_url = "http://www.17ok.com/focus/search/?id=" + encodeURI(obj_key.value);
        MM_openBrWindow(ok_url, "ok_result", "");
    }
    if (obj_chk2.checked == true)
    {
        var baidu_url = "http://www.baidu.com/s?tn=site17ok&ie=utf-8&word=" + encodeURI(obj_key.value);
        MM_openBrWindow(baidu_url, "baidu_result", "");
    }
    if (obj_chk3.checked == true)
    {
        var google_url = "http://www.google.cn/search?hl=zh-CN&ie=utf8&oe=utf8&forid=1&prog=aff&sa=%E6%90%9C%E7%B4%A2&client=pub-5287897629932177&q=" + encodeURI(obj_key.value);
        MM_openBrWindow(google_url, "google_result", "");
    }
}