function reEmail(email)
{
    email.value = "";
}

function showBrand(id)
{
    var g = document.getElementById(id);
    if(g.style.display == "none")
    {
        g.style.display = "block";
    }
    else
        g.style.display = "none";
}

function showEd(id)
{
    var g = document.getElementById(id);
    for(var i = 0; i <= 9; i++)
    {
        if(g.id == "ed" + i)
        {
            if(g.style.display == "none")
                g.style.display = "block";
            else
                g.style.display = "none";
        }
        else
            document.getElementById("ed" + i).style.display = "none";
    }
}

function showPP()
{
    var id = document.getElementById("introPP");
    var catImgId = document.getElementById("catUd");
    //alert(jianJie);
    if(catImgId.innerHTML == "Read more...")
    {
        introId.innerHTML = intro;
        catImgId.innerHTML = "Back To Top";
    }
    else
    {
        introId.innerHTML = jianJie;
        catImgId.innerHTML = "Read more...";
    }
}

function getCode()
{
    var codeFile = "GetCode.aspx";
    var code = document.getElementById("code");
    code.innerHTML = '<img id="imgCode" src=' + codeFile + ' style="cursor:pointer" onClick="this.src=\'' + codeFile + '?l=6&t=\' + Math.random()" />';
    var imgCode = document.getElementById("imgCode");;
    imgCode.alt = "click to change code";
    //alert(code.innerHTML);
}