diff --git a/content/student/studentkontooverlay.xul.php b/content/student/studentkontooverlay.xul.php
index 274de9b6f..1c5cb9677 100644
--- a/content/student/studentkontooverlay.xul.php
+++ b/content/student/studentkontooverlay.xul.php
@@ -55,7 +55,32 @@ echo '<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>';
 					</hbox>
 					<hbox>
 						<button id="student-konto-button-filterstudenten" oncommand="StudentKontoFilterStudenten('konto')" label="Studentenliste auf offene Buchungen filtern" tooltiptext="Liste aller Studenten mit offenen Buchungen"/>
+						<!--
 						<button id="student-konto-button-filterstudiengebuehr" oncommand="StudentKontoFilterStudenten('studiengebuehr')" label="nicht gebuchte Studiengebuehr" tooltiptext="Liste aller Studenten ohne Studiengebuehrbelastung"/>
+						-->
+
+						<vbox>
+							<spacer flex="1" />
+							<label value="Liste auf nicht gebuchte"/>
+							<sapcer flex="1" />
+						</vbox>
+						<vbox flex="1">
+							<spacer flex="1" />
+							<menulist id="student-konto-menulist-filter-buchungstyp" disabled="false"
+							          datasources="<?php echo APP_ROOT ?>rdf/buchungstyp.rdf.php" flex="1"
+							          ref="http://www.technikum-wien.at/buchungstyp/liste" >
+								<template>
+									<menupopup>
+										<menuitem value="rdf:http://www.technikum-wien.at/buchungstyp/rdf#buchungstyp_kurzbz"
+							        		      label="rdf:http://www.technikum-wien.at/buchungstyp/rdf#beschreibung"
+										  		  uri="rdf:*"/>
+										</menupopup>
+								</template>
+							</menulist>
+							<spacer flex="1" />
+						</vbox>
+						<button id="student-konto-button-filterbuchungstyp" oncommand="StudentKontoFilterBuchungstyp()" label="filtern"/>
+						
 					</hbox>
 				</row>
 				
diff --git a/content/student/studentoverlay.js.php b/content/student/studentoverlay.js.php
index 47a027f5b..5c500b2b2 100644
--- a/content/student/studentoverlay.js.php
+++ b/content/student/studentoverlay.js.php
@@ -1940,6 +1940,65 @@ function StudentKontoFilterStudenten(filter)
 	treeStudent.builder.addListener(StudentTreeListener);
 }
 
+// ****
+// * Setzt im Studententree einen Filter auf die Buchungstypen
+// ****
+function StudentKontoFilterBuchungstyp()
+{
+	netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
+	var tree=document.getElementById('tree-verband');
+
+	//Wenn nichts markiert wurde -> beenden
+	if(tree.currentIndex==-1)
+	{
+		alert('Bitte zuerst einen Studiengang/Semester waehlen');
+		return;
+	}
+
+	filter = document.getElementById('student-konto-menulist-filter-buchungstyp').value;
+	
+    // Progressmeter starten. Ab jetzt keine 'return's mehr.
+    document.getElementById('statusbar-progressmeter').setAttribute('mode','undetermined');
+    //globalProgressmeter.StartPM();
+
+	var stg_kz = getTreeCellText(tree, 'stg_kz', tree.currentIndex);
+	var sem = getTreeCellText(tree, 'sem', tree.currentIndex);
+	var ver = getTreeCellText(tree, 'ver', tree.currentIndex);
+	var grp = getTreeCellText(tree, 'grp', tree.currentIndex);
+	var gruppe = getTreeCellText(tree, 'gruppe', tree.currentIndex);
+	var typ = getTreeCellText(tree, 'typ', tree.currentIndex);
+	var stsem = getTreeCellText(tree, 'stsem', tree.currentIndex);
+		
+	if(stsem=='')
+		stsem = getStudiensemester();
+	if(typ=='')
+		typ='student';
+	url = "<?php echo APP_ROOT; ?>rdf/student.rdf.php?studiengang_kz="+stg_kz+"&semester="+sem+"&verband="+ver+"&gruppe="+grp+"&gruppe_kurzbz="+gruppe+"&studiensemester_kurzbz="+stsem+"&typ="+typ+"&filter2=buchungstyp;"+filter+"&"+gettimestamp();
+	var treeStudent=document.getElementById('student-tree');
+
+	//Alte DS entfernen
+	var oldDatasources = treeStudent.database.GetDataSources();
+	while(oldDatasources.hasMoreElements())
+	{
+		treeStudent.database.RemoveDataSource(oldDatasources.getNext());
+	}
+
+	try
+	{
+		StudentTreeDatasource.removeXMLSinkObserver(StudentTreeSinkObserver);
+		treeStudent.builder.removeListener(StudentTreeListener);
+	}
+	catch(e)
+	{}
+	var rdfService = Components.classes["@mozilla.org/rdf/rdf-service;1"].getService(Components.interfaces.nsIRDFService);
+	StudentTreeDatasource = rdfService.GetDataSource(url);
+	StudentTreeDatasource.QueryInterface(Components.interfaces.nsIRDFRemoteDataSource);
+	StudentTreeDatasource.QueryInterface(Components.interfaces.nsIRDFXMLSink);
+	treeStudent.database.AddDataSource(StudentTreeDatasource);
+	StudentTreeDatasource.addXMLSinkObserver(StudentTreeSinkObserver);
+	treeStudent.builder.addListener(StudentTreeListener);
+}
+
 // ****
 // * Aktiviert / Deaktiviert die Konto Felder
 // ****
diff --git a/include/konto.class.php b/include/konto.class.php
index 667bf8be2..6df43548f 100644
--- a/include/konto.class.php
+++ b/include/konto.class.php
@@ -370,7 +370,7 @@ class konto
 			$qry = "SELECT tbl_konto.*, anrede, titelpost, titelpre, nachname, vorname, vornamen
 					FROM public.tbl_konto JOIN public.tbl_person USING (person_id)
 					WHERE person_id='".$person_id."' $stgwhere ORDER BY buchungsdatum";
-
+		
 		if($result = pg_query($this->conn, $qry))
 		{
 			while($row = pg_fetch_object($result))
diff --git a/rdf/student.rdf.php b/rdf/student.rdf.php
index 132ba0817..d47bbd554 100644
--- a/rdf/student.rdf.php
+++ b/rdf/student.rdf.php
@@ -91,6 +91,23 @@ function checkfilter($row, $filter2)
 				if($row_filter->anzahl>0 || $prestudent->rolle_kurzbz=='Incoming')
 					return false;
 	}
+	elseif(strstr($filter2,'buchungstyp;'))
+	{
+		// Alle Personen die keine Belastung auf den uebergebenen Buchungstyp haben 
+		// Incoming werden nicht beruecksichtigt
+		list($filter, $buchungstyp) = split(';',$filter2);
+		$prestudent = new prestudent($conn, null, null);
+		$prestudent->getLastStatus($row->prestudent_id);
+		
+		$qry = "SELECT count(*) as anzahl FROM public.tbl_konto WHERE 
+					studiensemester_kurzbz='".addslashes($studiensemester_kurzbz)."' AND 
+					person_id='".addslashes($row->person_id)."' AND 
+					buchungstyp_kurzbz='$buchungstyp'";
+		if($result_filter = pg_query($conn, $qry))
+			if($row_filter = pg_fetch_object($result_filter))
+				if($row_filter->anzahl>0 || $prestudent->rolle_kurzbz=='Incoming')
+					return false;
+	}
 	elseif($filter2=='zgvohnedatum')
 	{
 		//Alle Personen die den ZGV Typ eingetragen haben aber noch kein Datum