Removed unused function parameter.

git-svn-id: http://svn.code.sf.net/p/itop/code/trunk@3581 a333f486-631f-4898-b8df-5754b55c2be0

pages/UI.php

@@ -1480,13 +1480,13 @@ EOF
 		{
 			DisplayNavigatorListTab($oP, $aResults, $sRelation, $oObj);
 			$oP->SetCurrentTab(Dict::S('UI:RelationshipGraph'));
-			$oDisplayGraph->Display($oP, $aResults, $sRelation, $oAppContext, ($sDirection == 'down'));
+			$oDisplayGraph->Display($oP, $aResults, $sRelation, $oAppContext);
 			DisplayNavigatorGroupTab($oP, $aGroups, $sRelation, $oObj);
 		}
 		else
 		{
 			$oP->SetCurrentTab(Dict::S('UI:RelationshipGraph'));
-			$oDisplayGraph->Display($oP, $aResults, $sRelation, $oAppContext, ($sDirection == 'down'));
+			$oDisplayGraph->Display($oP, $aResults, $sRelation, $oAppContext);
 			DisplayNavigatorListTab($oP, $aResults, $sRelation, $oObj);
 			DisplayNavigatorGroupTab($oP, $aGroups, $sRelation, $oObj);
 		}