Added support for OnFormCancel

git-svn-id: http://svn.code.sf.net/p/itop/code/trunk@1335 a333f486-631f-4898-b8df-5754b55c2be0

application/portalwebpage.class.inc.php

@@ -679,6 +679,7 @@ EOF
 		$sTransactionId = utils::GetNewTransactionId();
 		$this->SetTransactionId($sTransactionId);
 		$this->add("<input type=\"hidden\" name=\"transaction_id\" value=\"$sTransactionId\">\n");
+		$oPage->add_ready_script("$(window).unload(function() { OnUnload('$sTransactionId') } );\n");
 	}
 
 	public function WizardFormButtons($iButtonFlags)