function ShowDescription()
{
    document.getElementById("DetailMain").style.display = "block";
    document.getElementById("DetailTech").style.display = "none";
    document.getElementById("DetailPic").style.display = "none";
}

function ShowTechSheet()
{
    document.getElementById("DetailMain").style.display = "none";
    document.getElementById("DetailTech").style.display = "block";
    document.getElementById("DetailPic").style.display = "none";
}

function ShowPictures()
{
    document.getElementById("DetailMain").style.display = "none";
    document.getElementById("DetailTech").style.display = "none";
    document.getElementById("DetailPic").style.display = "block";
}