Index: mantisbt/admin/schema.php
===================================================================
--- mantisbt/admin/schema.php	(revision 5358)
+++ mantisbt/admin/schema.php	(working copy)
@@ -409,3 +409,5 @@
 
 $upgrade[] = Array( 'AddColumnSQL', Array( db_get_table( 'mantis_custom_field_table' ), "
   filter_by 		L 		NOTNULL DEFAULT \" '1' \"" ) );
+
+$upgrade[] = Array( 'AddColumnSQL', Array(db_get_table('mantis_project_file_table'), "visible_in_child L NOTNULL DEFAULT '1' AFTER description") );
\ No newline at end of file
Index: mantisbt/core/file_api.php
===================================================================
--- mantisbt/core/file_api.php	(revision 5358)
+++ mantisbt/core/file_api.php	(working copy)
@@ -526,7 +526,7 @@
 	}
 
 	# --------------------
-	function file_add( $p_bug_id, $p_tmp_file, $p_file_name, $p_file_type='', $p_table = 'bug', $p_file_error = 0, $p_title = '', $p_desc = '' ) {
+	function file_add( $p_bug_id, $p_tmp_file, $p_file_name, $p_file_type='', $p_table = 'bug', $p_file_error = 0, $p_title = '', $p_desc = '', $p_visible_in_child = false ) {
 	    switch ( (int) $p_file_error ) {
 	        case UPLOAD_ERR_INI_SIZE:
 	        case UPLOAD_ERR_FORM_SIZE:
@@ -558,6 +558,7 @@
 		if ( 'bug' == $p_table ) {
 			$t_project_id	= bug_get_field( $p_bug_id, 'project_id' );
 			$t_bug_id		= bug_format_id( $p_bug_id );
+			$p_visible_in_child = false;
 		} else {
 			$t_project_id	= helper_get_current_project();
 			$t_bug_id		= 0;
@@ -569,6 +570,7 @@
 		$c_file_type	= db_prepare_string( $p_file_type );
 		$c_title = db_prepare_string( $p_title );
 		$c_desc = db_prepare_string( $p_desc );
+		$c_visible_in_child = db_prepare_bool( $p_visible_in_child );
 
 		if( $t_project_id == ALL_PROJECTS ) {
 			$t_file_path = config_get( 'absolute_path_default_upload_folder' );
@@ -631,10 +633,17 @@
 		$t_file_table	= db_get_table( 'mantis_' . $p_table . '_file_table' );
 		$c_id = ( 'bug' == $p_table ) ? $c_bug_id : $c_project_id;
 					
+		if( 'bug' == $p_table ) {
 		$query = "INSERT INTO $t_file_table
 						(" . $p_table . "_id, title, description, diskfile, filename, folder, filesize, file_type, date_added, content)
 					  VALUES
 						($c_id, '$c_title', '$c_desc', '$c_disk_file_name', '$c_new_file_name', '$c_file_path', $c_file_size, '$c_file_type', '" . db_now() ."', $c_content)";
+		} else {
+			$query = "INSERT INTO $t_file_table
+						(" . $p_table . "_id, title, description, diskfile, filename, folder, filesize, file_type, date_added, content, visible_in_child)
+					  VALUES
+						($c_id, '$c_title', '$c_desc', '$c_disk_file_name', '$c_new_file_name', '$c_file_path', $c_file_size, '$c_file_type', '" . db_now() ."', $c_content, $c_visible_in_child)";
+		}
 		db_query( $query );
 
 		if ( 'bug' == $p_table ) {
Index: mantisbt/lang/strings_english.txt
===================================================================
--- mantisbt/lang/strings_english.txt	(revision 5358)
+++ mantisbt/lang/strings_english.txt	(working copy)
@@ -1025,6 +1025,8 @@
 # proj_doc_add_page.php
 $s_upload_file_title = 'Upload File';
 $s_title = 'Title';
+$s_visible_in_child_project = 'Visible in child projects';
+$s_visibility = 'Visibility';
 
 # proj_doc_delete.php
 $s_project_file_deleted_msg = 'Project file deleted';
Index: mantisbt/proj_doc_add.php
===================================================================
--- mantisbt/proj_doc_add.php	(revision 5358)
+++ mantisbt/proj_doc_add.php	(working copy)
@@ -39,6 +39,7 @@
 	$f_title = gpc_get_string( 'title' );
 	$f_description = gpc_get_string( 'description' );
 	$f_file = gpc_get_file( 'file' );
+	$f_visible_in_child = gpc_get_bool( 'visible_in_child', false );
 
 	if ( is_blank( $f_title ) ) {
 		error_parameters( lang_get( 'title' ) );
@@ -46,7 +47,7 @@
 	}
 
     $f_file_error =  ( isset( $f_file['error'] ) ) ? $f_file['error'] : 0;
-	file_add( 0, $f_file['tmp_name'], $f_file['name'], $f_file['type'], 'project', $f_file_error, $f_title, $f_description );
+	file_add( 0, $f_file['tmp_name'], $f_file['name'], $f_file['type'], 'project', $f_file_error, $f_title, $f_description, $f_visible_in_child );
 
 	$t_redirect_url = 'proj_doc_page.php';
 
Index: mantisbt/proj_doc_add_page.php
===================================================================
--- mantisbt/proj_doc_add_page.php	(revision 5358)
+++ mantisbt/proj_doc_add_page.php	(working copy)
@@ -71,6 +71,14 @@
 </tr>
 <tr class="row-1">
 	<td class="category">
+		<?php echo lang_get('visibility'); ?>
+	</td>
+	<td>
+		<input type="checkbox" name="visible_in_child" value="1"><?php echo lang_get( 'visible_in_child_project' ) ?></input>
+	</td>
+</tr>
+<tr class="row-2">
+	<td class="category">
 		<span class="required">*</span><?php echo lang_get( 'select_file' ) ?>
 		<?php echo '<br /><span class="small">(' . lang_get( 'max_file_size' ) . ': ' . number_format( $t_max_file_size/1000 ) . 'k)</span>'?>
 	</td>
Index: mantisbt/proj_doc_edit_page.php
===================================================================
--- mantisbt/proj_doc_edit_page.php	(revision 5358)
+++ mantisbt/proj_doc_edit_page.php	(working copy)
@@ -89,6 +89,14 @@
 </tr>
 <tr class="row-1">
 	<td class="category">
+		<?php echo lang_get('visibility'); ?>
+	</td>
+	<td>
+		<input type="checkbox" name="visible_in_child" <?php check_checked( $v_visible_in_child, 1 ) ?>><?php echo lang_get( 'visible_in_child_project' ) ?></input>
+	</td>
+</tr>
+<tr class="row-2">
+	<td class="category">
 		<?php echo lang_get( 'filename' ) ?>
 	</td>
 	<td>
@@ -100,7 +108,7 @@
 		?>
 	</td>
 </tr>
-<tr class="row-2">
+<tr class="row-1">
 	<td class="category">
 		<?php echo lang_get( 'select_file' ) ?>
 		<?php echo '<br /><span class="small">(' . lang_get( 'max_file_size' ) . ': ' . number_format( $t_max_file_size/1000 ) . 'k)</span>'?>
Index: mantisbt/proj_doc_page.php
===================================================================
--- mantisbt/proj_doc_page.php	(revision 5358)
+++ mantisbt/proj_doc_page.php	(working copy)
@@ -50,8 +50,9 @@
 		# Select all the projects that the user has access to
 		$t_projects = user_get_accessible_projects( $t_user_id );
 	} else {
-		# Select the specific project 
-		$t_projects = array( $f_project_id );
+		# Select the specific project and it's parents
+		project_hierarchy_cache();
+		$t_projects = project_hierarchy_inheritance( $f_project_id );
 	}
 
 	$t_projects[] = ALL_PROJECTS; # add "ALL_PROJECTS to the list of projects to fetch
@@ -67,7 +68,7 @@
 		$t_access_clause = ">= $t_reqd_access ";
 	}			
 
-	$query = "SELECT pft.id, pft.project_id, pft.filename, pft.filesize, pft.title, pft.description, pft.date_added
+	$query = "SELECT pft.id, pft.project_id, pft.filename, pft.filesize, pft.title, pft.description, pft.date_added, pft.visible_in_child
 				FROM $t_project_file_table pft
 					LEFT JOIN $t_project_table pt ON pft.project_id = pt.id
 					LEFT JOIN $t_project_user_list_table pult 
@@ -104,6 +105,10 @@
 		$v_description = string_display_links( $v_description );
 		$v_date_added = date( config_get( 'normal_date_format' ), db_unixtimestamp( $v_date_added ) );
 
+		if( $f_project_id != ALL_PROJECTS && $v_project_id != ALL_PROJECTS &&
+			$v_project_id != $f_project_id && !$v_visible_in_child )
+			continue;
+
 ?>
 <tr valign="top" <?php echo helper_alternate_class( $i ) ?>>
 	<td>
Index: mantisbt/proj_doc_update.php
===================================================================
--- mantisbt/proj_doc_update.php	(revision 5358)
+++ mantisbt/proj_doc_update.php	(working copy)
@@ -40,6 +40,7 @@
 	$f_title = gpc_get_string( 'title' );
 	$f_description	= gpc_get_string( 'description' );
 	$f_file = gpc_get_file( 'file' );
+	$f_visible_in_child = gpc_get_bool( 'visible_in_child' );
 
 	$t_project_id = file_get_field( $f_file_id, 'project_id', 'project' );
 
@@ -52,6 +53,7 @@
 	$c_file_id = db_prepare_int( $f_file_id );
 	$c_title = db_prepare_string( $f_title );
 	$c_description = db_prepare_string( $f_description );
+	$c_visible_in_child = db_prepare_bool( $f_visible_in_child );
 
 	$t_project_file_table = db_get_table( 'mantis_project_file_table' );
 
@@ -134,14 +136,16 @@
 		}		
 		$query = "UPDATE $t_project_file_table
 			SET title=" . db_param(0) . ", description=" . db_param(1) . ", date_added=" . db_param(2) . ",
-				filename=" . db_param(3) . ", filesize=" . db_param(4) . ", file_type=" .db_param(5) . ", content=" .db_param(6) . "
-				WHERE id=" . db_param(7);
-		$result = db_query_bound( $query, Array( $c_title, $c_description, db_now(), $c_file_name, $c_file_size, $c_file_type, $c_content, $c_file_id ) );
+				filename=" . db_param(3) . ", filesize=" . db_param(4) . ", file_type=" .db_param(5) . ", content=" .db_param(6) . ",
+				visible_in_child=" . db_param(7) . "
+				WHERE id=" . db_param(8);
+		$result = db_query_bound( $query, Array( $c_title, $c_description, db_now(), $c_file_name, $c_file_size, $c_file_type, $c_content, $c_visible_in_child, $c_file_id ) );
 	} else {
 		$query = "UPDATE $t_project_file_table
-				SET title=" . db_param(0) . ", description=" . db_param(1) . "
-				WHERE id=" . db_param(2);
-		$result = db_query_bound( $query, Array( $c_title, $c_description, $c_file_id ) );
+				SET title=" . db_param(0) . ", description=" . db_param(1) . ",
+				visible_in_child=" . db_param(2) . "
+				WHERE id=" . db_param(3);
+		$result = db_query_bound( $query, Array( $c_title, $c_description, $c_visible_in_child, $c_file_id ) );
 	}
 	
 	if ( !$result ) {