// JavaScript Document

first = 1;
last = 2;
current = 1;
           

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';
}
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, 5000);  //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