diff --git a/phpgwapi/inc/class.common.inc.php b/phpgwapi/inc/class.common.inc.php
index 10e610ebb3..5be70a1cbb 100644
--- a/phpgwapi/inc/class.common.inc.php
+++ b/phpgwapi/inc/class.common.inc.php
@@ -452,7 +452,7 @@ class common
 					$output_text .= '<td align="right"><img src="' . $ir . '/tabs-start1.gif"></td>';
 				}
 
-				$output_text .= '<td align="left" background="' . $ir . '/tabs-bg1.gif">&nbsp;<b><a href="'
+				$output_text .= '<td align="left" style="background: url(' . $ir . '/tabs-bg1.gif) repeat-x;">&nbsp;<b><a href="'
 					. $tab[1]['link'] . '" class="tablink" '.$tab[1]['target'].'>' . $fs . $tab[1]['label']
 					. $fse . '</a></b>&nbsp;</td>';
 				if ($i == count($tabs))
@@ -470,7 +470,7 @@ class common
 				{
 					$output_text .= '<td align="right"><img src="' . $ir . '/tabs-start0.gif"></td>';
 				}
-				$output_text .= '<td align="left" background="' . $ir . '/tabs-bg0.gif">&nbsp;<b><a href="'
+				$output_text .= '<td align="left" style="background: url(' . $ir . '/tabs-bg0.gif) repeat-x;">&nbsp;<b><a href="'
 					. $tab[1]['link'] . '" class="tablink" '.$tab[1]['target'].'>' . $fs . $tab[1]['label'] . $fse
 					. '</a></b>&nbsp;</td>';
 				if (($i + 1) == $selected)