--- event.theme.orig    2007-01-26 10:03:45.000000000 -0800
+++ event.theme 2007-01-26 10:04:17.000000000 -0800
@@ -437,7 +437,7 @@
  */
 function theme_event_ical_link($path) {
   $ical_link = '<div class="ical-link">'. l('<img src="'. base_path() . drupal_get_path('module', 'event') .'/images/ical16x16.gif" alt="'.t('Add to iCalendar').'" />', $path, array('title' => t('Add this calendar to your iCalendar')), NULL, NULL, TRUE, TRUE) .'</div>';
-  return preg_replace("|http://|","webcal://", $ical_link);
+  return $ical_link;
 }

 /**
