diff --git a/vilesci/personen/interessent_entfernen.php b/vilesci/personen/interessent_entfernen.php
new file mode 100644
index 000000000..c7bc85758
--- /dev/null
+++ b/vilesci/personen/interessent_entfernen.php
@@ -0,0 +1,179 @@
+<?php
+/* Copyright (C) 2008 Technikum-Wien
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
+ *
+ * Author: Rudolf Hangl <rudolf.hangl@technikum-wien.at>
+ */
+/*
+Entfernen (doppelter) Interessenten
+*/
+require_once('../config.inc.php');
+require_once('../../include/functions.inc.php');
+
+if(!$conn=pg_pconnect(CONN_STRING))
+   die("Konnte Verbindung zur Datenbank nicht herstellen");
+
+function myaddslashes($var)
+{
+	return ($var!=''?"'".addslashes($var)."'":'null');
+}
+
+$msg='';
+
+
+//prestudent_id
+if (isset($_GET['prestudent']) || isset($_POST['prestudent']))
+{
+	$prestudent_id=(isset($_GET['prestudent'])?$_GET['prestudent']:$_POST['prestudent']);
+}
+else 
+{
+	$prestudent='';
+}
+
+//person_id
+if (isset($_GET['person']) || isset($_POST['person']))
+{
+	$person=(isset($_GET['person'])?$_GET['person']:$_POST['person']);
+}
+else 
+{
+	$person='';
+}
+if($person!='' && $prestudent!='')
+{
+	$qry="SELECT * FROM public.tbl_prestudent WHERE person_id=".$person.";";
+	if($result = pg_query($conn, $qry))
+	{
+		if(pg_num_rows($result)>1)
+		{
+			$q2="SELECT * FROM public.tbl_prestudent WHERE person_id=".$person." AND prestudent_id=".$prestudent.";";
+			if($result2 = pg_query($conn, $q2))
+			{
+				if(pg_num_rows($result2)<1)
+				{
+					//kein prestudent mit eingegebener person_id und prestudent_id gefunden
+					$msg="Die Eingaben passen nicht zusammen!";
+				}
+				else 
+				{
+					$q3="SELECT * FROM public.tbl_prestudentrolle WHERE prestudent_id=".$prestudent." AND rolle_kurzbz='Interessent';";
+					if($result3 = pg_query($conn, $q3))
+					{
+						if(pg_num_rows($result3)==1)
+						{
+							//mehrere prestudenten an diesem studenten => nur prestudentrolle und prestudent werden gelöscht
+							$del="DELETE FROM public.tbl_prestudentrolle WHERE prestudent_id=".$prestudent." AND rolle_kurzbz='Interessent';DELETE FROM public.tbl_prestudent WHERE prestudent_id=".$prestudent.";";
+							if(pg_query($conn, $del))
+							{
+								$msg="Prestudent mit ID ".$prestudent." und Prestudentrolle Interessent entfernt.<br>".str_replace(";DELETE",";<br>DELETE",$del);
+							}
+							else 
+							{
+								$msg="Fehler bei: ".$del;
+							}
+							
+						}
+						else 
+						{
+							$msg="Eingabedaten zeigen nicht auf einen Interessenten!";
+						}
+			 		}
+				}	
+			}
+		}
+		elseif(pg_num_rows($result)==1)
+		{
+			if($row = pg_fetch_object($result))
+			{
+				if($row->prestudent_id==$prestudent)
+				{
+					$q3="SELECT * FROM public.tbl_prestudentrolle WHERE prestudent_id=".$prestudent." AND rolle_kurzbz='Interessent';";
+					if($result3 = pg_query($conn, $q3))
+					{
+						if(pg_num_rows($result3)==1)
+						{
+							//löschen von prestudentrolle, prestudent, adresse, kontakt und person werden gelöscht
+							$del="DELETE FROM public.tbl_prestudentrolle WHERE prestudent_id=".$prestudent." AND rolle_kurzbz='Interessent';DELETE FROM public.tbl_prestudent WHERE prestudent_id=".$prestudent.";DELETE FROM public.tbl_adresse WHERE person_id=".$person.";DELETE FROM public.tbl_kontakt WHERE person_id=".$person.";DELETE FROM public.tbl_person WHERE person_id=".$person.";";
+							if(pg_query($conn, $del))
+							{
+								$msg="Prestudent mit ID ".$prestudent." und Person mit ID ".$person." entfernt.<br>".str_replace(";DELETE",";<br>DELETE",$del);	
+							}
+							else 
+							{
+								$msg="Fehler bei: ".$del;
+							}
+							
+						}
+						else 
+						{
+							$msg="Eingabedaten zeigen nicht auf einen Interessenten!";
+						}
+			 		}
+				}
+				else 
+				{
+					$msg="Eingaben passen nicht zusammen!";
+				}
+			}
+				
+		}
+		else 
+		{
+			//kein prestudent gefunden
+			$msg="Keinen Prestudent mit dieser person_id gefunden! Bitte Eingabe überprüfen!";
+		}
+	}
+}
+else 
+{
+	$msg="Bitte beide Parameter eingeben!";
+}
+?>
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
+"http://www.w3.org/TR/html4/loose.dtd">
+<html>
+<head>
+<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
+<link href="../../skin/vilesci.css" rel="stylesheet" type="text/css">
+
+<title>Entfernen von (doppelten) Interessenten</title>
+</head>
+<body>
+
+<H1>Entfernen von (doppelten) Interessenten</H1>
+
+<?php
+echo "<form name='suche' action='interessent_entfernen.php' method='POST'>";
+echo "<table><tr>";
+echo "<th>prestudent_id</th><th>person_id</th><th>&nbsp;</th>";
+echo "<tr>";
+echo "<td><input name=\"prestudent\" type=\"text\" value=\"$prestudent\" size=\"16\" maxlength=\"8\"></td>";
+echo "<td><input name='person' type='text' value=\"$person\" size='16' maxlength='8'></td>";
+echo "<td><input type='submit' value=' entfernen '></td></tr>";
+echo "</table></form>";
+
+?>
+<br>
+<center><h2><?php echo "<span style=\"font-size:0.7em\">".
+substr(CONN_STRING,strpos(CONN_STRING,'dbname=')+7,strpos(CONN_STRING,'user=')-strpos(CONN_STRING,'dbname=')-7).": ".
+$msg."</span>"; ?></h2></center>
+<br>
+
+</tr>
+</table>
+</body>
+</html>
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