function changeSearchType(type){

    new Ajax.Updater("search_span", "/product/showSubType4Search.do", {
        method: 'post',
        parameters: "parentTypeId=" + type,
        evalScripts: true
    });
}

function submitSearch(){
    if (!checkselect($("search_parentTypeId")) && $("search_keyWord").value.strip() == "" && !checkselect($("search_typeId")) && !checkselect($("search_brandId"))) {
        alert("请选择大类或搜索关键字！")
        return;
    }
    $("search_product_form").submit();
}

function checkselect(ele){
    var v = parseInt(ele.options[ele.selectedIndex].value)
    return v != NaN && v > 0
}

function getHotWord(len){
    var words = ["奶粉", "辅食", "果泥", "面条", "米粉", "钙", "牛初乳", "益生菌", "纸尿裤", "奶瓶", "奶嘴", "童车", "童床", "摄影", "月子", "鱼肝油", "维生素", "羊奶粉", "雅培", "惠氏", "多美滋", "雀巢", "圣元", "美赞臣", "亨氏", "嘉宝", "伊威", "合生元", "生命阳光", "挪亚", "乳加力", "阿卡奇", "奥聪", "金箍棒", "好奇", "帮宝适", "妈咪宝贝", "嘘嘘乐", "好孩子", "康贝", "费雪", "百利威", "星月", "木马智慧", "绘儿乐", "澳优", "贝亲", "新安怡", "喜多", "优生", "NUK", "芙儿优", "美素", "明治", "强生", "欧润芙", "三洋", "六甲村", "婷美", "添香", "英氏", "黄色小鸭", "比士尼", "吸乳器", "布朗博士", "爱护", "润肤露", "安全座椅"];
    var n = 0;
    for (var i = 0; i < len; i++) {
        n = Math.floor(Math.random() * words.length);
        if (n > words.length - 1) {
            return;
        }
        document.write("<a href=\"/product/searchProduct.do?keyWord=" + encodeURIComponent(words[n]) + "\">" +words[n] + "</a>&nbsp;&nbsp;&nbsp; ");
        words.splice(n, 1)
    }
}