function showI(image)
{
	document.getElementById("toestel-image-groot").src = image;
}
function showhidediv(id)
{
    if (document.getElementById)
    {
        obj = document.getElementById(id);
    }
    if (obj.style.display == "none")
    {
        obj.style.display = "";
    }
    else
    {
        obj.style.display = "none";
    }
}