function display(itemID, divID, AID) {
    document.getElementById("A1").className = "link2";
    document.getElementById("A2").className = "link2";
    document.getElementById("A3").className = "link2";
    document.getElementById("A4").className = "link2";
    document.getElementById("A5").className = "link2";
    document.getElementById("A6").className = "link2";
    document.getElementById("A7").className = "link2";
    document.getElementById("A8").className = "link2";
    document.getElementById(AID).className = "link3";

    document.getElementById("item1").style.background = "";
    document.getElementById("item2").style.background = "";
    document.getElementById("item3").style.background = "";
    document.getElementById("item4").style.background = "";
    document.getElementById("item5").style.background = "";
    document.getElementById("item6").style.background = "";
    document.getElementById("item7").style.background = "";
    document.getElementById("item8").style.background = "";
    document.getElementById(itemID).style.background = "url(images/index_18.jpg)";

    document.getElementById("div1").style.display = "none";
    document.getElementById("div2").style.display = "none";
    document.getElementById("div3").style.display = "none";
    document.getElementById("div4").style.display = "none";
    document.getElementById("div5").style.display = "none";
    //document.getElementById("div6").style.display = "none";
    //document.getElementById("div7").style.display = "none";
    //document.getElementById("div8").style.display = "none";
    document.getElementById(divID).style.display = "inline";
}

function bookmarkit() {
    window.external.addFavorite('http://www.china-4s.cn', '中国百姓汽车网') 
}
function seach() {
    window.location.href = "../seach_n.aspx?seach=" + document.getElementById("tbsearch1").value;
}
function show(num) {
    for (var i = 0; i < 4; i++) {
        if (i == num) {
            document.getElementById("divcar" + i).style.display = "block"
        }
        else {
            document.getElementById("divcar" + i).style.display = "none"
        }
    }
}