function showNavigation(type)
{
    var show;

    for (var i = 1; i <= 10; i++)
    {
        if (i == type)
        {
            try
            {
                show = document.getElementById("nav" + type);

                show.style.display = "block";
            }
            catch (e) { }
        }
        else
        {
            try
            {
                document.getElementById("nav" + i).style.display = "none";
            }
            catch (e) { }
        }
    }

    if (showNavigation.defaultItem == null)
    {
        showNavigation.defaultItem = show;
    }
}

showNavigation.defaultItem = null;

function cancelShowNavigation()
{
    for (var i = 1; i <= 10; i++)
    {
        try
        {
            document.getElementById("nav" + i).style.display = "none";
        }
        catch (e) { }
    }

    if (showNavigation.defaultItem != null)
    {
        showNavigation.defaultItem.style.display = "block";
    }
}

function DoCancelShowNavigationPoilicy(ep)
{
    var e = window.event || ep;

    var sender = e.target || e.srcElement;

    var container = document.getElementById("scriptContainer");

    while (sender != container)
    {
        sender = sender.parentNode;

        if (sender == null)
        {
            cancelShowNavigation();

            return;
        }
    }
}

function showSearch(type, hiddenControlId)
{
    var hidden = document.getElementById(hiddenControlId);

    hidden.value = type;

    for (var i = 1; i <= 8; i++)
    {
        if (i == type)
        {
            document.getElementById("lisear_" + type).className = "current";
        }
        else
        {
            document.getElementById("lisear_" + i).className = "";
        }
    }

    if (document.getElementById("searchTextBox").className != "txt_search1")
    {
        return; 
    }

    document.getElementById("searchTextBox").className = "txt_search1";

    //    showSearchType(type);
    searchOnblur(hiddenControlId);
}

function searchOnfocus(hiddenControlId)
{
    var hidden = document.getElementById(hiddenControlId);

    type = hidden.value;

    if (document.getElementById("searchTextBox").className == "txt_search1")
    {
        document.getElementById("searchTextBox").value = "";

        document.getElementById("searchTextBox").className = "txt_search";
    }
}

function searchOnblur(hiddenControlId)
{
    var hidden = document.getElementById(hiddenControlId);

    type = hidden.value;

    if (document.getElementById("searchTextBox").value == "")
    {
        document.getElementById("searchTextBox").className = "txt_search1";
    }

    if (document.getElementById("searchTextBox").className != "txt_search")
    {
        showSearchType(type);

        document.getElementById("searchTextBox").className == "txt_search1";
    }
}

function searchOnkeydown()
{
    document.getElementById("searchTextBox").className = "txt_search";
}

function searchOnkeyup()
{
    if (document.getElementById("searchTextBox").value == "")
    {
        document.getElementById("searchTextBox").className = "txt_search1";
    }
}

function ClearOnSibmit()
{
    if (document.getElementById("searchTextBox").className != "txt_search")
    {
        document.getElementById("searchTextBox").value = "";
    }
}

function showSearchType(type)
{
    if (type == 1)
    {
        //招商
        document.getElementById("searchTextBox").value = "请输入标题/简要说明";
    }
    else if (type == 2)
    {
        //代理
        document.getElementById("searchTextBox").value = "请输入标题/代理说明";
    }
    else if (type == 3)
    {
        //供应
        document.getElementById("searchTextBox").value = "请输入标题/内容";
    }
    else if (type == 4)
    {
        //求购
        document.getElementById("searchTextBox").value = "请输入标题/内容";
    }
    else if (type == 5)
    {
        //资讯
        document.getElementById("searchTextBox").value = "请输入标题/摘要/关键字";
    }
    else if (type == 6)
    {
        //招标
        document.getElementById("searchTextBox").value = "请输入标题/内容/关键字";
    }
    else if (type == 7)
    {
        //中标
        document.getElementById("searchTextBox").value = "请输入通用名";
    }
    else if (type == 8)
    {
        //招聘
        document.getElementById("searchTextBox").value = "请输入公司名称/职位名称";
    }
    else
    {
        document.getElementById("searchTextBox").value = "搜索内容";
    }
}




function onfocusSearchIndex(obj)
{
    if (obj.className == "noword1")
    {
        obj.value = "";

        obj.className = "haveword1";
    }
}

function onblurSearchIndex(obj, str, hiddenControlId)
{
    var hidden = document.getElementById(hiddenControlId);

    if (obj.value == "" || obj.className == "noword1")
    {
        obj.className = "noword1";

        obj.value = str;

        hidden.value = "";
    }
    else
    {
        hidden.value = obj.value;

        obj.className = "haveword1";
    }
}

function InitializeIndex(input, hidden, str)
{
    input = document.getElementById(input);

    hidden = document.getElementById(hidden);

    if (hidden.value == "")
    {
        input.className = "noword1";

        input.value = str;
    }
    else
    {
        input.className = "haveword1";

        input.value = hidden.value;
    }
}

function onkeydownSearchIndex(obj)
{
    obj.className = "haveword1";
}

function onkeyupSearchIndex(obj)
{
    if (obj.value == "")
    {
        obj.className = "noword1";
    }
}