diff -u --recursive --new-file mantis-0.19.0/core/file_api.php mantis-0.19.0-qem-1/core/file_api.php
--- mantis-0.19.0/core/file_api.php	2004-08-31 15:11:50.000000000 +0200
+++ mantis-0.19.0-qem-1/core/file_api.php	2004-10-04 13:43:34.000000000 +0200
@@ -230,7 +230,7 @@
 				file_delete_local ( $row['diskfile'] );
 
 				if ( FTP == $t_method ) {
-					file_ftp_delete ( $ftp, $row['filename'] );
+					file_ftp_delete ( $ftp, $row['diskfile'] );
 				}
 			}
 
@@ -273,7 +273,7 @@
 				file_delete_local ( $row['diskfile'] );
 
 				if ( FTP == $t_method ) {
-					file_ftp_delete ( $ftp, $row['filename'] );
+					file_ftp_delete ( $ftp, $row['diskfile'] );
 				}
 			}
 
@@ -363,7 +363,7 @@
 
 			if ( FTP == $t_upload_method ) {
 				$ftp = file_ftp_connect();
-				file_ftp_delete ( $ftp, $t_filename );
+				file_ftp_delete ( $ftp, $t_diskfile );
 				file_ftp_disconnect( $ftp );
 			}
 
diff -u --recursive --new-file mantis-0.19.0/file_download.php mantis-0.19.0-qem-1/file_download.php
--- mantis-0.19.0/file_download.php	2004-06-16 06:28:28.000000000 +0200
+++ mantis-0.19.0-qem-1/file_download.php	2004-10-04 13:43:58.000000000 +0200
@@ -88,7 +88,7 @@
 				readfile( $v_diskfile );
 			} else {
 				$ftp = file_ftp_connect();
-				file_ftp_get ( $ftp, $v_diskfile, $v_filename );
+				file_ftp_get ( $ftp, $v_diskfile, $v_diskfile );
 				file_ftp_disconnect( $ftp );
 				readfile( $v_diskfile );
 			}
diff -u --recursive --new-file mantis-0.19.0/proj_doc_add.php mantis-0.19.0-qem-1/proj_doc_add.php
--- mantis-0.19.0/proj_doc_add.php	2004-08-31 15:11:50.000000000 +0200
+++ mantis-0.19.0-qem-1/proj_doc_add.php	2004-10-04 13:44:12.000000000 +0200
@@ -97,7 +97,7 @@
 		$query = "INSERT INTO $t_project_file_table
 				(project_id, title, description, diskfile, filename, folder, filesize, file_type, date_added, content)
 				VALUES
-				($t_project_id, '$c_title', '$c_description', '$t_disk_file_name', '$c_file_name', '$c_file_path', $c_file_size, '$c_file_type', " . db_now() .", '$c_content')";
+				($t_project_id, '$c_title', '$c_description', '$c_disk_file_name', '$c_file_name', '$c_file_path', $c_file_size, '$c_file_type', " . db_now() .", '$c_content')";
 
 		$result = db_query( $query );
 	}
diff -u --recursive --new-file mantis-0.19.0/proj_doc_delete.php mantis-0.19.0-qem-1/proj_doc_delete.php
--- mantis-0.19.0/proj_doc_delete.php	2004-02-29 10:07:44.000000000 +0100
+++ mantis-0.19.0-qem-1/proj_doc_delete.php	2004-10-04 10:50:00.000000000 +0200
@@ -9,7 +9,12 @@
 	# $Id: proj_doc_delete.php,v 1.20 2004/02/29 09:07:45 vboctor Exp $
 	# --------------------------------------------------------
 ?>
-<?php require_once( 'core.php' ) ?>
+<?php 
+	require_once( 'core.php' );
+
+	$t_core_path = config_get( 'core_path' );
+	require_once( $t_core_path . 'file_api.php' );
+?>
 <?php
 	# Check if project documentation feature is enabled.
 	if ( OFF == config_get( 'enable_project_documentation' ) ) {
@@ -26,17 +31,22 @@
 	helper_ensure_confirmed( lang_get( 'confirm_file_delete_msg' ),
 							 lang_get( 'file_delete_button' ) );
 
-	if ( DISK == $g_file_upload_method ) {
+
+	if ( ( DISK == $g_file_upload_method ) || ( FTP == $g_file_upload_method ) ) {
 		# grab the file name
 		$query = "SELECT diskfile
 				FROM $g_mantis_project_file_table
 				WHERE id='$c_file_id'";
 		$result = db_query( $query );
 		$t_diskfile = db_result( $result );
-
-		# in windows replace with system("del $t_diskfile");
-		chmod( $t_diskfile, 0775 );
-		unlink( $t_diskfile );
+		if ( FTP == $g_file_upload_method ) {
+			$ftp = file_ftp_connect();
+			file_ftp_delete ( $ftp, $t_diskfile );
+			file_ftp_disconnect( $ftp );
+		}
+		if ( file_exists( $t_diskfile ) ) {
+			system("del $t_diskfile");
+		}
 	}
 
 	$query = "DELETE FROM $g_mantis_project_file_table