//<!--
           //<![CDATA[
           
           first = 1;
           last = 4;
           current = 1;
           
           function nextPicture() {
               // Hide current picture
               object = document.getElementById('slide' + current);
               object2 = document.getElementById('slideTitle' + current);
               object.style.display = 'none';
               object2.style.display = 'none';
               
               // Show next picture, if last, loop back to front
               if (current == last) { current = 1; }
               else { current++ }
               object = document.getElementById('slide' + current);
               object2 = document.getElementById('slideTitle' + current);
               object.style.display = 'block';
               object2.style.display = 'block';
           }

           function previousPicture() {
               // Hide current picture
               object = document.getElementById('slide' + current);
               object2 = document.getElementById('slideTitle' + current);
               object.style.display = 'none';
               object2.style.display = 'none';
               
               if (current == first) { current = last; }
               else { current--; }
               object = document.getElementById('slide' + current);
               object2 = document.getElementById('slideTitle' + current);
               object.style.display = 'block';
               object2.style.display = 'block';
           }
           //]]>
           // -->