function openbox(url)
{
  var box = document.getElementById('box');
  document.getElementById('filter').style.display='block';

  //var title = document.getElementById('boxtitle');
  //title.innerHTML = url;

  var content = document.getElementById('boxcontent');
  content.style.padding="0";

  content.innerHTML = "...dynamic content...";
  content.innerHTML = "<img src=" + url + " />";

  box.style.display='block';
}

function closebox()
{
   document.getElementById('box').style.display='none';
   document.getElementById('filter').style.display='none';
}