function ShowView(contentID)
{ showObject(document.getElementById('prev01'), false);
  showObject(document.getElementById('prev02'), false);
  showObject(document.getElementById('prev03'), false);
  showObject(document.getElementById('prev04'), false);
  showObject(document.getElementById('prev05'), false);
  showObject(document.getElementById('prev06'), false);
  showObject(document.getElementById(contentID), true);
  document.getElementById('prev').style.height="auto";
}

function showObject(obj, show)
{ if (show)
  { obj.style.position="static";
    obj.style.top="auto";
    obj.style.left="auto";
    obj.style.width="auto";
    obj.style.height="auto";
    obj.style.overflow="auto";
    obj.style.display="block";
  }
  else
  { obj.style.position="absolute";
    obj.style.top="-9999px";
    obj.style.left="-9999px";
    obj.style.width="0px";
    obj.style.height="0px";
    obj.style.overflow="hidden";
    obj.style.display="inline";
  }
}