current = 0;

function previous()
{
   current = (current + images - 1) % images;
   imgsrc = baseDir + "image (" + current + ").jpg";
   document.getElementById("scrapbook").src = imgsrc;
}

function next()
{
   current = (current + 1) % images;
   imgsrc = baseDir + "image (" + current + ").jpg";
   document.getElementById("scrapbook").src = imgsrc;
}

function display ()
{
   window.open(document.getElementById('scrapbook').src, '', 'scrollbars=yes,menubar=no,height=480,width=640,resizable=yes,toolbar=no,location=no,status=no');
}

function draw_thumbs ()
{
   document.getElementById('scrapbook').src = baseDir + "image (0).jpg";
   for (current = 0; current < images; current++)
   {
      imgsrc = baseDir + "image (" + current + ").jpg";
      clkcmd = "document.getElementById('scrapbook').src = '" + imgsrc + "';";
      document.write("<img class=\"thumbnail\" src=\"" + imgsrc + "\" onclick=\"" + clkcmd + "\"/> ");
   }
}