// SCRIPT FOR SLIDESHOW
           
   first = 1;
   last = 3;
   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';
		setTimeout(nextPicture, 6000); //NEW LINE in the end of nextPicture function
		} //a self repeating call at a delay of 2.5 secs
		//adjust the seconds to your liking
   

   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';
   }