There's a typo "repeate" in triggers.inc.php, I don't even know if it has any effect, I can't spot one.. anyways, here's the fix:

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svn diff -rBASE trunk/frontends/php/include/triggers.inc.php
Index: trunk/frontends/php/include/triggers.inc.php
===================================================================
— trunk/frontends/php/include/triggers.inc.php (revision 5116)
+++ trunk/frontends/php/include/triggers.inc.php (working copy)
@@ -1894,11 +1894,11 @@
if((time(NULL)-$trhosts[$hostname]['lastchange'])<300)
$style .= 'background-image: url(images/gradients/blink1.gif); '.
'background-position: top left; '.

• 'background-repeat: repeate;';
  + 'background-repeat: repeat;';
  elseif((time(NULL)-$trhosts[$hostname]['lastchange'])<900)
  $style .= 'background-image: url(images/gradients/blink2.gif); '.
  'background-position: top left; '.
• 'background-repeat: repeate;';
  + 'background-repeat: repeat;';

unset($item_menu);
$tr_ov_menu = array(
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