function MM_findObj(n, d) { //v4.01
    var p, i, x; if (!d) d = document; if ((p = n.indexOf("?")) > 0 && parent.frames.length) {
        d = parent.frames[n.substring(p + 1)].document; n = n.substring(0, p);
    }
    if (!(x = d[n]) && d.all) x = d.all[n]; for (i = 0; !x && i < d.forms.length; i++) x = d.forms[i][n];
    for (i = 0; !x && d.layers && i < d.layers.length; i++) x = MM_findObj(n, d.layers[i].document);
    if (!x && d.getElementById) x = d.getElementById(n); return x;
}

function MM_showHideLayers() { //v6.0
    var i, p, v, obj, args = MM_showHideLayers.arguments;
    for (i = 0; i < (args.length - 2); i += 3) if ((obj = MM_findObj(args[i])) != null) {
        v = args[i + 2];
        if (obj.style) { obj = obj.style; v = (v == 'show') ? 'visible' : (v == 'hide') ? 'hidden' : v; }
        obj.visibility = v;
    }
}

function supply() {
    if (document.getElementById("text_supply").value == ""||document.getElementById("text_supply").value=="请输入提供服务内容！") {
        alert("提供服务不能为空！");
        return;
    }
    window.location.href = "/Trade_Supply.aspx?keyword=" + escape(document.getElementById("text_supply").value);
}
function need() {
    if (document.getElementById("text_need").value == "" || document.getElementById("text_need").value == "请输入需要服务内容！") {
        alert("需要服务不能为空！");
        return;
    }
    window.location.href = "/Trade_Need.aspx?keyword=" + escape(document.getElementById("text_need").value);
}
function companyarchives() {
    if (document.getElementById("text_companyarchives").value == "" || document.getElementById("text_companyarchives").value == "请输入家政公司名称！") {
        alert("公司搜不能为空！");
        return;
    }
    window.location.href = "/CompanyArchives.aspx?keywordtype=title&keyword=" + escape(document.getElementById("text_companyarchives").value);
}
function yellowpage() {
    if (document.getElementById("text_yellowpage").value == "" || document.getElementById("text_yellowpage").value == "请输入搜索内容 如：家政公司名称") {
        alert("黄页搜不能为空！");
        return;
    }
    window.location.href = "/YellowPage.aspx?keyword=" + escape(document.getElementById("text_yellowpage").value);
}