
/**
 * Slideshow knowledgesutra.com
 */
	   //<!--
	   //<![CDATA[
	   
	   first = 1;
	   last = 19;
	   current = 1;
	   
	   function nextPicture() {
		   // Hide current picture
		   object = document.getElementById('slide' + current);
		   object.style.display = 'none';
		   
		   // Show next picture, if last, loop back to front
		   if (current == last) { current = 1; }
		   else { current++ }
		   object = document.getElementById('slide' + current);
		   object.style.display = 'block';
	   }

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

