Index: js/views_slideshow.js
===================================================================
--- js/views_slideshow.js	(revision 436)
+++ js/views_slideshow.js	(working copy)
@@ -19,6 +19,11 @@
 // set the timer on or off
 function views_slideshow_timer(slideshow_main, slideshow_status) {
   // stop the current timer
+  if (slideshow_data[slideshow_main]._num_divs < 2) {
+  	// Don't do anything fancy if there's only 1 or 0 divs.
+  	return;
+  }
+
   clearTimeout(slideshow_data[slideshow_main]._timer_id);
 
   // start a new timer, if slideshow_status is true, unless we're currently paused