function ShowPicture(picture)
{
  var pimg = document.getElementById('pictureimg');
  var pdiv = document.getElementById('picturediv');
  pdiv.style.display="block";
  pdiv.style.height = document.body.offsetHeight+"px";

  pimg.src=picture;
  pimg.style.display="block";
  pimg.style.left=((document.body.offsetWidth/2)-225)+"px";
}

function HidePicture()
{
  document.getElementById('picturediv').style.display="none";
  document.getElementById('pictureimg').style.display="none";
}

function SelectOption(oid)
{
  document.getElementById(oid).checked = true;
}