diff --git a/include/konto.class.php b/include/konto.class.php
index d68432fcb..0c3c99070 100644
--- a/include/konto.class.php
+++ b/include/konto.class.php
@@ -347,6 +347,7 @@ class konto
 			$this->errormsg = 'Person_id muss eine gueltige Zahl sein';
 			return false;
 		}
+		
 		if($studiengang_kz!='')
 			$stgwhere = " AND tbl_konto.studiengang_kz='$studiengang_kz' ";
 		else 
@@ -357,7 +358,7 @@ class konto
 			//Alle Buchungen und 'darunterliegende' holen die noch offen sind
 			$qry = "SELECT tbl_konto.*, anrede, titelpost, titelpre, nachname, vorname, vornamen
 					FROM public.tbl_konto JOIN public.tbl_person USING (person_id)
-					WHERE buchungsnr in (SELECT buchungsnr FROM public.tbl_konto as konto_a WHERE
+					WHERE (buchungsnr in (SELECT buchungsnr FROM public.tbl_konto as konto_a WHERE
 									(betrag + (SELECT CASE WHEN sum(betrag) is null THEN 0
 											            ELSE sum(betrag) END
 										         FROM public.tbl_konto WHERE buchungsnr_verweis=konto_a.buchungsnr))<>0
@@ -366,13 +367,13 @@ class konto
 									(betrag + (SELECT CASE WHEN sum(betrag) is null THEN 0
 														ELSE sum(betrag) END
 												 FROM public.tbl_konto WHERE buchungsnr_verweis=konto_a.buchungsnr))<>0
-									AND person_id='$person_id') $stgwhere ORDER BY buchungsdatum";
+									AND person_id='$person_id')) $stgwhere ORDER BY buchungsdatum";
 		}
 		else
 			$qry = "SELECT tbl_konto.*, anrede, titelpost, titelpre, nachname, vorname, vornamen
 					FROM public.tbl_konto JOIN public.tbl_person USING (person_id)
 					WHERE person_id='".$person_id."' $stgwhere ORDER BY buchungsdatum";
-		
+		//echo $qry;
 		if($result = pg_query($this->conn, $qry))
 		{
 			while($row = pg_fetch_object($result))
diff --git a/rdf/konto.rdf.php b/rdf/konto.rdf.php
index 943cc7b68..053b1bf88 100644
--- a/rdf/konto.rdf.php
+++ b/rdf/konto.rdf.php
@@ -99,6 +99,7 @@ if(isset($_SERVER['REMOTE_USER']))
 	if($kontofilterstg=='false')
 		$studiengang_kz='';
 }
+
 if($person_id!='')
 {
 	$konto->getBuchungen($person_id, $filter, $studiengang_kz);
diff --git a/rdf/student.rdf.php b/rdf/student.rdf.php
index 10224d2f4..fa099a0f7 100644
--- a/rdf/student.rdf.php
+++ b/rdf/student.rdf.php
@@ -52,7 +52,7 @@ function convdate($date)
 
 function checkfilter($row, $filter2)
 {
-	global $conn, $studiensemester_kurzbz;
+	global $conn, $studiensemester_kurzbz, $kontofilterstg;
 
 	if($filter2=='dokumente')
 	{
@@ -70,6 +70,9 @@ function checkfilter($row, $filter2)
 	{
 		// Alle Personen die offene Buchungen haben
 		$qry = "SELECT sum(betrag) as summe FROM tbl_konto WHERE person_id='$row->person_id'";
+		if($kontofilterstg=='true')
+			$qry.=" AND studiengang_kz='$row->studiengang_kz'";
+		//echo $qry;
 		if($result_filter = pg_query($conn, $qry))
 			if($row_filter = pg_fetch_object($result_filter))
 				if($row_filter->summe=='0.00' || $row_filter->summe=='' || $row_filter->summe=='0')
diff --git a/vilesci/stammdaten/firma_details.php b/vilesci/stammdaten/firma_details.php
index 8e3d81fbe..ddf31de00 100644
--- a/vilesci/stammdaten/firma_details.php
+++ b/vilesci/stammdaten/firma_details.php
@@ -59,7 +59,7 @@
 			if($firma->save())
 			{
 				$reloadstr .= "<script type='text/javascript'>\n";
-				$reloadstr .= "	parent.uebersicht.location.href='firma_uebersicht.php';";
+				$reloadstr .= "	parent.uebersicht_firma.location.href='firma_uebersicht.php';";
 				$reloadstr .= " window.top.opener.StudentProjektarbeitFirmaRefresh();";
 				$reloadstr .= "</script>\n";
 			}
diff --git a/vilesci/stammdaten/firma_frameset.html b/vilesci/stammdaten/firma_frameset.html
index 69b76bd86..fdfd4f0c5 100644
--- a/vilesci/stammdaten/firma_frameset.html
+++ b/vilesci/stammdaten/firma_frameset.html
@@ -8,8 +8,8 @@
 </head>
 
 <frameset rows="70%,*">
-  	<frame src="firma_uebersicht.php" id="uebersicht" name="uebersicht" frameborder="0" />
-  	<frame src="firma_details.php" id="detail" name="detail" frameborder="0" />
+  	<frame src="firma_uebersicht.php" name="uebersicht_firma" frameborder="0" />
+  	<frame src="firma_details.php" name="detail_firma" frameborder="0" />
 	<noframes>
 		<body bgcolor="#FFFFFF">
 			This application works only with a frames-enabled browser.<br />
diff --git a/vilesci/stammdaten/firma_uebersicht.php b/vilesci/stammdaten/firma_uebersicht.php
index 234578b52..c2eba9362 100644
--- a/vilesci/stammdaten/firma_uebersicht.php
+++ b/vilesci/stammdaten/firma_uebersicht.php
@@ -26,8 +26,8 @@
 	    {
 	        //$htmlstr .= "   <tr class='liste". ($i%2) ."'>\n";
 			$htmlstr .= "   <tr>\n";
-	        $htmlstr .= "       <td><a href='firma_details.php?firma_id=".$row->firma_id."' target='detail'>".$row->firma_id."</a></td>\n";
-			$htmlstr .= "       <td><a href='firma_details.php?firma_id=".$row->firma_id."' target='detail'>".$row->name."</a></td>\n";
+	        $htmlstr .= "       <td><a href='firma_details.php?firma_id=".$row->firma_id."' target='detail_firma'>".$row->firma_id."</a></td>\n";
+			$htmlstr .= "       <td><a href='firma_details.php?firma_id=".$row->firma_id."' target='detail_firma'>".$row->name."</a></td>\n";
 	        $htmlstr .= "       <td>$row->adresse</td>\n";
 	        $htmlstr .= "       <td>$row->email</td>\n";
 	        $htmlstr .= "       <td>$row->telefon</td>\n";
@@ -62,7 +62,7 @@
 	echo '<table width="100%"><tr><td>';
 	echo '<h3>Übersicht</h3>';
 	echo '</td><td align="right">';
-	echo "<input type='button' onclick='parent.detail.location=\"firma_details.php?neu=true\"' value='Neue Firma anlegen'/>";
+	echo "<input type='button' onclick='parent.detail_firma.location=\"firma_details.php?neu=true\"' value='Neue Firma anlegen'/>";
 	echo '</td></tr></table><br />';
 	
 	echo $htmlstr;
diff --git a/vilesci/stammdaten/raum_details.php b/vilesci/stammdaten/raum_details.php
index 4e8cfd1d5..aab2ee56d 100644
--- a/vilesci/stammdaten/raum_details.php
+++ b/vilesci/stammdaten/raum_details.php
@@ -92,7 +92,7 @@
 			$errorstr .= $sg_update->errormsg;
 		}
 		$reloadstr .= "<script type='text/javascript'>\n";
-		$reloadstr .= "	parent.uebersicht.location.href='raum_uebersicht.php';";
+		$reloadstr .= "	parent.uebersicht_raum.location.href='raum_uebersicht.php';";
 		$reloadstr .= "</script>\n";
 	}
 
diff --git a/vilesci/stammdaten/raum_frameset.html b/vilesci/stammdaten/raum_frameset.html
index 46da61a8c..95e55edf7 100644
--- a/vilesci/stammdaten/raum_frameset.html
+++ b/vilesci/stammdaten/raum_frameset.html
@@ -8,8 +8,8 @@
 </head>
 
 <frameset rows="65%,*">
-  	<frame src="raum_uebersicht.php" id="uebersicht" name="uebersicht" frameborder="0" />
-  	<frame src="raum_details.php" id="detail" name="detail" frameborder="0" />
+  	<frame src="raum_uebersicht.php" name="uebersicht_raum" frameborder="0" />
+  	<frame src="raum_details.php" name="detail_raum" frameborder="0" />
 	<noframes>
 		<body bgcolor="#FFFFFF">
 			This application works only with a frames-enabled browser.<br />
diff --git a/vilesci/stammdaten/raum_uebersicht.php b/vilesci/stammdaten/raum_uebersicht.php
index 29a0c0449..943fb8c58 100644
--- a/vilesci/stammdaten/raum_uebersicht.php
+++ b/vilesci/stammdaten/raum_uebersicht.php
@@ -63,7 +63,7 @@ foreach ($sg->result as $twraum)
 {
     //$htmlstr .= "   <tr class='liste". ($i%2) ."'>\n";
 	$htmlstr .= "   <tr>\n";
-	$htmlstr .= "       <td><a href='raum_details.php?ort_kurzbz=".$twraum->ort_kurzbz."' target='detail'>".$twraum->ort_kurzbz."</a></td>\n";
+	$htmlstr .= "       <td><a href='raum_details.php?ort_kurzbz=".$twraum->ort_kurzbz."' target='detail_raum'>".$twraum->ort_kurzbz."</a></td>\n";
 	$htmlstr .= "       <td>".$twraum->bezeichnung."</td>\n";
 	$htmlstr .= "       <td>".$twraum->planbezeichnung."</td>\n";
 	$htmlstr .= "       <td>".$twraum->max_person."</td>\n";
diff --git a/vilesci/stammdaten/studiengang_details.php b/vilesci/stammdaten/studiengang_details.php
index c9d3b6aa8..49b3d069e 100644
--- a/vilesci/stammdaten/studiengang_details.php
+++ b/vilesci/stammdaten/studiengang_details.php
@@ -104,7 +104,7 @@
 			$errorstr .= $sg_update->errormsg;
 		}
 		$reloadstr .= "<script type='text/javascript'>\n";
-		$reloadstr .= "	parent.uebersicht.location.href='studiengang_uebersicht.php';";
+		$reloadstr .= "	parent.uebersicht_studiengang.location.href='studiengang_uebersicht.php';";
 		$reloadstr .= "</script>\n";
 	}
 
diff --git a/vilesci/stammdaten/studiengang_frameset.html b/vilesci/stammdaten/studiengang_frameset.html
index f46932556..69ec7635d 100644
--- a/vilesci/stammdaten/studiengang_frameset.html
+++ b/vilesci/stammdaten/studiengang_frameset.html
@@ -8,8 +8,8 @@
 </head>
 
 <frameset rows="65%,*">
-  	<frame src="studiengang_uebersicht.php" id="uebersicht" name="uebersicht" frameborder="0" />
-  	<frame src="studiengang_details.php" id="detail" name="detail" frameborder="0" />
+  	<frame src="studiengang_uebersicht.php" name="uebersicht_studiengang" frameborder="0" />
+  	<frame src="studiengang_details.php" name="detail_studiengang" frameborder="0" />
 	<noframes>
 		<body bgcolor="#FFFFFF">
 			This application works only with a frames-enabled browser.<br />
diff --git a/vilesci/stammdaten/studiengang_uebersicht.php b/vilesci/stammdaten/studiengang_uebersicht.php
index 407741c69..6dad89dd9 100644
--- a/vilesci/stammdaten/studiengang_uebersicht.php
+++ b/vilesci/stammdaten/studiengang_uebersicht.php
@@ -32,7 +32,7 @@
         $htmlstr .= "       <td>".$stg->kurzbz."</td>\n";
         $htmlstr .= "       <td>".$stg->kurzbzlang."</td>\n";
 		$htmlstr .= "       <td>".$stg->typ."</td>\n";
-        $htmlstr .= "       <td><a href='studiengang_details.php?studiengang_kz=".$stg->studiengang_kz."' target='detail'>".$stg->bezeichnung."</a></td>\n";
+        $htmlstr .= "       <td><a href='studiengang_details.php?studiengang_kz=".$stg->studiengang_kz."' target='detail_studiengang'>".$stg->bezeichnung."</a></td>\n";
 		
 		if($stg->aktiv=='t')
 			$aktivbild = "true.gif";