diff --git a/js/open-flash-chart.swf b/js/open-flash-chart.swf
new file mode 100644
index 000000000..3a01e52ae
Binary files /dev/null and b/js/open-flash-chart.swf differ
diff --git a/libraries/chart/ofc/README.txt b/libraries/chart/ofc/README.txt
new file mode 100644
index 000000000..012fbfd52
--- /dev/null
+++ b/libraries/chart/ofc/README.txt
@@ -0,0 +1,16 @@
+Open Flash Chart - PHP libraries. These help create data files for Open Flash Chart.
+Copyright (C) 2007 
+
+This library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Lesser General Public
+License as published by the Free Software Foundation; either
+version 2.1 of the License, or (at your option) any later version.
+
+This library 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
+Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public
+License along with this library; if not, write to the Free Software
+Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
\ No newline at end of file
diff --git a/libraries/chart/ofc/dot_base.php b/libraries/chart/ofc/dot_base.php
new file mode 100644
index 000000000..5772efcd9
--- /dev/null
+++ b/libraries/chart/ofc/dot_base.php
@@ -0,0 +1,231 @@
+<?php
+
+/**
+ * A private class. All the other line-dots inherit from this.
+ * Gives them all some common methods.
+ */ 
+class dot_base
+{
+	/**
+	 * @param $type string
+	 * @param $value integer
+	 */
+	function dot_base($type, $value=null)
+	{
+		$this->type = $type;
+		if( isset( $value ) )
+			$this->value( $value );
+	}
+	
+	/**
+	 * For line charts that only require a Y position
+	 * for each point.
+	 * @param $value as integer, the Y position
+	 */
+	function value( $value )
+	{
+		$this->value = $value;
+	}
+	
+	/**
+	 * For scatter charts that require an X and Y position for
+	 * each point.
+	 * 
+	 * @param $x as integer
+	 * @param $y as integer
+	 */
+	function position( $x, $y )
+	{
+		$this->x = $x;
+		$this->y = $y;
+	}
+	
+	/**
+	 * @param $colour is a string, HEX colour, e.g. '#FF0000' red
+	 */
+	function colour($colour)
+	{
+		$this->colour = $colour;
+		return $this;
+	}
+	
+	/**
+	 * The tooltip for this dot.
+	 */
+	function tooltip( $tip )
+	{
+		$this->tip = $tip;
+		return $this;
+	}
+	
+	/**
+	 * @param $size is an integer. Size of the dot.
+	 */
+	function size($size)
+	{
+		$tmp = 'dot-size';
+		$this->$tmp = $size;
+		return $this;
+	}
+	
+	/**
+	 * a private method
+	 */
+	function type( $type )
+	{
+		$this->type = $type;
+		return $this;
+	}
+	
+	/**
+	 * @param $size is an integer. The size of the hollow 'halo' around the dot that masks the line.
+	 */
+	function halo_size( $size )
+	{
+		$tmp = 'halo-size';
+		$this->$tmp = $size;
+		return $this;
+	}
+	
+	/**
+	 * @param $do as string. One of three options (examples):
+	 *  - "http://example.com" - browse to this URL
+	 *  - "https://example.com" - browse to this URL
+	 *  - "trace:message" - print this message in the FlashDevelop debug pane
+	 *  - all other strings will be called as Javascript functions, so a string "hello_world"
+	 *  will call the JS function "hello_world(index)". It passes in the index of the
+	 *  point.
+	 */
+	function on_click( $do )
+	{
+		$tmp = 'on-click';
+		$this->$tmp = $do;
+	}
+}
+
+/**
+ * Draw a hollow dot
+ */
+class hollow_dot extends dot_base
+{	
+	function hollow_dot($value=null)
+	{
+		parent::dot_base( 'hollow-dot', $value );
+	}
+}
+
+/**
+ * Draw a star
+ */
+class star extends dot_base
+{
+	/**
+	 * The constructor, takes an optional $value
+	 */
+	function star($value=null)
+	{
+		parent::dot_base( 'star', $value );
+	}
+	
+	/**
+	 * @param $angle is an integer.
+	 */
+	function rotation($angle)
+	{
+		$this->rotation = $angle;
+		return $this;
+	}
+	
+	/**
+	 * @param $is_hollow is a boolean.
+	 */
+	function hollow($is_hollow)
+	{
+		$this->hollow = $is_hollow;
+	}
+}
+
+/**
+ * Draw a 'bow tie' shape.
+ */
+class bow extends dot_base
+{
+	/**
+	 * The constructor, takes an optional $value
+	 */
+	function bow($value=null)
+	{
+		parent::dot_base( 'bow', $value );
+	}
+	
+	/**
+	 * Rotate the anchor object.
+	 * @param $angle is an integer.
+	 */
+	function rotation($angle)
+	{
+		$this->rotation = $angle;
+		return $this;
+	}
+}
+
+/**
+ * An <i><b>n</b></i> sided shape.
+ */
+class anchor extends dot_base
+{
+	/**
+	 * The constructor, takes an optional $value
+	 */
+	function anchor($value=null)
+	{
+		parent::dot_base( 'anchor', $value );
+	}
+	
+	/**
+	 * Rotate the anchor object.
+	 * @param $angle is an integer.
+	 */
+	function rotation($angle)
+	{
+		$this->rotation = $angle;
+		return $this;
+	}
+	
+	/**
+	 * @param $sides is an integer. Number of sides this shape has.
+	 */
+	function sides($sides)
+	{
+		$this->sides = $sides;
+		return $this;
+	}
+}
+
+/**
+ * A simple dot
+ */
+class dot extends dot_base
+{
+	/**
+	 * The constructor, takes an optional $value
+	 */
+	function dot($value=null)
+	{
+		parent::dot_base( 'dot', $value );
+	}
+}
+
+/**
+ * A simple dot
+ */
+class solid_dot extends dot_base
+{
+	/**
+	 * The constructor, takes an optional $value
+	 */
+	function solid_dot($value=null)
+	{
+		parent::dot_base( 'solid-dot', $value );
+	}
+}
\ No newline at end of file
diff --git a/libraries/chart/ofc/json_format.php b/libraries/chart/ofc/json_format.php
new file mode 100644
index 000000000..b8e3de5cb
--- /dev/null
+++ b/libraries/chart/ofc/json_format.php
@@ -0,0 +1,86 @@
+<?php
+
+// Pretty print some JSON
+function json_format($json)
+{
+    $tab = "  ";
+    $new_json = "";
+    $indent_level = 0;
+    $in_string = false;
+
+/*
+ commented out by monk.e.boy 22nd May '08
+ because my web server is PHP4, and
+ json_* are PHP5 functions...
+
+    $json_obj = json_decode($json);
+
+    if($json_obj === false)
+        return false;
+
+    $json = json_encode($json_obj);
+*/
+    $len = strlen($json);
+
+    for($c = 0; $c < $len; $c++)
+    {
+        $char = $json[$c];
+        switch($char)
+        {
+            case '{':
+            case '[':
+                if(!$in_string)
+                {
+                    $new_json .= $char . "\n" . str_repeat($tab, $indent_level+1);
+                    $indent_level++;
+                }
+                else
+                {
+                    $new_json .= $char;
+                }
+                break;
+            case '}':
+            case ']':
+                if(!$in_string)
+                {
+                    $indent_level--;
+                    $new_json .= "\n" . str_repeat($tab, $indent_level) . $char;
+                }
+                else
+                {
+                    $new_json .= $char;
+                }
+                break;
+            case ',':
+                if(!$in_string)
+                {
+                    $new_json .= ",\n" . str_repeat($tab, $indent_level);
+                }
+                else
+                {
+                    $new_json .= $char;
+                }
+                break;
+            case ':':
+                if(!$in_string)
+                {
+                    $new_json .= ": ";
+                }
+                else
+                {
+                    $new_json .= $char;
+                }
+                break;
+            case '"':
+                if($c > 0 && $json[$c-1] != '\\')
+                {
+                    $in_string = !$in_string;
+                }
+            default:
+                $new_json .= $char;
+                break;                   
+        }
+    }
+
+    return $new_json;
+}
\ No newline at end of file
diff --git a/libraries/chart/ofc/ofc_area_base.php b/libraries/chart/ofc/ofc_area_base.php
new file mode 100644
index 000000000..a6e811fd5
--- /dev/null
+++ b/libraries/chart/ofc/ofc_area_base.php
@@ -0,0 +1,40 @@
+<?php
+
+/**
+ * inherits from line
+ */
+class area extends line
+{
+	function area()
+	{
+		$this->type      = "area";
+	}
+	
+	/**
+	 * the fill colour
+	 */
+	function set_fill_colour( $colour )
+	{
+		$this->fill = $colour;
+	}
+	
+	/**
+	 * sugar: see set_fill_colour
+	 */
+	function fill_colour( $colour )
+	{
+		$this->set_fill_colour( $colour );
+		return $this;
+	}
+	
+	function set_fill_alpha( $alpha )
+	{
+		$tmp = "fill-alpha";
+		$this->$tmp = $alpha;
+	}
+	
+	function set_loop()
+	{
+		$this->loop = true;
+	}
+}
diff --git a/libraries/chart/ofc/ofc_area_hollow.php b/libraries/chart/ofc/ofc_area_hollow.php
new file mode 100644
index 000000000..4293af0b6
--- /dev/null
+++ b/libraries/chart/ofc/ofc_area_hollow.php
@@ -0,0 +1,10 @@
+<?php
+
+class area_hollow extends area_base
+{
+	function area_hollow()
+	{
+		$this->type      = "area_hollow";
+		parent::area_base();
+	}
+}
diff --git a/libraries/chart/ofc/ofc_area_line.php b/libraries/chart/ofc/ofc_area_line.php
new file mode 100644
index 000000000..5731391a3
--- /dev/null
+++ b/libraries/chart/ofc/ofc_area_line.php
@@ -0,0 +1,10 @@
+<?php
+
+class area_line extends area_base
+{
+	function area_line()
+	{
+		$this->type      = "area_line";
+		parent::area_base();
+	}
+}
diff --git a/libraries/chart/ofc/ofc_arrow.php b/libraries/chart/ofc/ofc_arrow.php
new file mode 100644
index 000000000..3c2c6e9dc
--- /dev/null
+++ b/libraries/chart/ofc/ofc_arrow.php
@@ -0,0 +1,27 @@
+<?php
+
+class ofc_arrow
+{
+	/**
+	 *@param $x as number. Start x position
+	 *@param $y as number. Start y position
+	 *@param $a as number. End x position
+	 *@param $b as number. End y position
+	 *@param $colour as string.
+	 *@param $barb_length as number. Length of the barbs in pixels.
+	 */
+	function ofc_arrow($x, $y, $a, $b, $colour, $barb_length=10)
+	{
+		$this->type     = "arrow";
+		$this->start	= array("x"=>$x, "y"=>$y);
+		$this->end		= array("x"=>$a, "y"=>$b);
+		$this->colour($colour);
+		$this->{"barb-length"} = $barb_length;
+	}
+	
+	function colour( $colour )
+	{
+		$this->colour = $colour;
+		return $this;
+	}
+}
diff --git a/libraries/chart/ofc/ofc_bar.php b/libraries/chart/ofc/ofc_bar.php
new file mode 100644
index 000000000..6ddda4274
--- /dev/null
+++ b/libraries/chart/ofc/ofc_bar.php
@@ -0,0 +1,34 @@
+<?php
+
+include_once 'ofc_bar_base.php';
+
+class bar_value
+{
+	function bar_value( $top, $bottom=null )
+	{
+		$this->top = $top;
+		
+		if( isset( $bottom ) )
+			$this->bottom = $bottom;
+	}
+	
+	function set_colour( $colour )
+	{
+		$this->colour = $colour;
+	}
+	
+	function set_tooltip( $tip )
+	{
+		$this->tip = $tip;
+	}
+}
+
+class bar extends bar_base
+{
+	function bar()
+	{
+		$this->type      = "bar";
+		parent::bar_base();
+	}
+}
+
diff --git a/libraries/chart/ofc/ofc_bar_3d.php b/libraries/chart/ofc/ofc_bar_3d.php
new file mode 100644
index 000000000..47552184c
--- /dev/null
+++ b/libraries/chart/ofc/ofc_bar_3d.php
@@ -0,0 +1,22 @@
+<?php
+
+include_once 'ofc_bar_base.php';
+
+class bar_3d_value
+{
+	function bar_3d_value( $top )
+	{
+		$this->top = $top;
+	}
+	
+	function set_colour( $colour )
+	{
+		$this->colour = $colour;
+	}
+	
+	function set_tooltip( $tip )
+	{
+		$this->tip = $tip;
+	}
+}
+
diff --git a/libraries/chart/ofc/ofc_bar_base.php b/libraries/chart/ofc/ofc_bar_base.php
new file mode 100644
index 000000000..c1303b86b
--- /dev/null
+++ b/libraries/chart/ofc/ofc_bar_base.php
@@ -0,0 +1,97 @@
+<?php
+
+/* this is a base class */
+
+class bar_base
+{
+	function bar_base(){}
+
+	/**
+	 * @param $text as string the key text
+	 * @param $size as integer, size in pixels
+	 */
+	function set_key( $text, $size )
+	{
+		$this->text = $text;
+		$tmp = 'font-size';
+		$this->$tmp = $size;
+	}
+	
+	/**
+	 * syntatical sugar.
+	 */
+	function key( $text, $size )
+	{
+		$this->set_key( $text, $size );
+	}
+
+	/**
+	 * @param $v as an array, a mix of:
+	 * 	- a bar_value class. You can use this to customise the paramters of each bar.
+	 * 	- integer. This is the Y position of the top of the bar.
+	 */
+	function set_values( $v )
+	{
+		$this->values = $v;		
+	}
+	
+	/**
+	 * see set_values
+	 */
+	function append_value( $v )
+	{
+		$this->values[] = $v;		
+	}
+	
+	/**
+	 * @param $colour as string, a HEX colour, e.g. '#ff0000' red
+	 */
+	function set_colour( $colour )
+	{
+		$this->colour = $colour;	
+	}
+	
+	/**
+	 *syntatical sugar
+	 */
+	function colour( $colour )
+	{
+		$this->set_colour( $colour );
+	}
+
+	/**
+	 * @param $alpha as real number (range 0 to 1), e.g. 0.5 is half transparent
+	 */
+	function set_alpha( $alpha )
+	{
+		$this->alpha = $alpha;	
+	}
+	
+	/**
+	 * @param $tip as string, the tip to show. May contain various magic variables.
+	 */
+	function set_tooltip( $tip )
+	{
+		$this->tip = $tip;	
+	}
+	
+	/**
+	 *@param $on_show as line_on_show object
+	 */
+	function set_on_show($on_show)
+	{
+		$this->{'on-show'} = $on_show;
+	}
+	
+	function set_on_click( $text )
+	{
+		$tmp = 'on-click';
+		$this->$tmp = $text;
+	}
+	
+	function attach_to_right_y_axis()
+	{
+		$this->axis = 'right';
+	}
+}
+
diff --git a/libraries/chart/ofc/ofc_bar_filled.php b/libraries/chart/ofc/ofc_bar_filled.php
new file mode 100644
index 000000000..837c1fc45
--- /dev/null
+++ b/libraries/chart/ofc/ofc_bar_filled.php
@@ -0,0 +1,39 @@
+<?php
+
+include_once 'ofc_bar_base.php';
+
+class bar_filled_value extends bar_value
+{
+	function bar_filled_value( $top, $bottom=null )
+	{
+		parent::bar_value( $top, $bottom );	
+	}
+	
+	function set_outline_colour( $outline_colour )
+	{
+		$tmp = 'outline-colour';
+		$this->$tmp = $outline_colour;	
+	}
+}
+
+class bar_filled extends bar_base
+{
+	function bar_filled( $colour=null, $outline_colour=null )
+	{
+		$this->type      = "bar_filled";
+		parent::bar_base();
+		
+		if( isset( $colour ) )
+			$this->set_colour( $colour );
+		
+		if( isset( $outline_colour ) )
+			$this->set_outline_colour( $outline_colour );
+	}
+	
+	function set_outline_colour( $outline_colour )
+	{
+		$tmp = 'outline-colour';
+		$this->$tmp = $outline_colour;	
+	}
+}
+
diff --git a/libraries/chart/ofc/ofc_bar_glass.php b/libraries/chart/ofc/ofc_bar_glass.php
new file mode 100644
index 000000000..e83350151
--- /dev/null
+++ b/libraries/chart/ofc/ofc_bar_glass.php
@@ -0,0 +1,131 @@
+<?php
+
+include_once 'ofc_bar_base.php';
+
+class bar_on_show
+{
+	/**
+	 *@param $type as string. Can be any one of:
+	 * - 'pop-up'
+	 * - 'drop'
+	 * - 'fade-in'
+	 * - 'grow-up'
+	 * - 'grow-down'
+	 * - 'pop'
+	 *
+	 * @param $cascade as float. Cascade in seconds
+	 * @param $delay as float. Delay before animation starts in seconds.
+	 */
+	function __construct($type, $cascade, $delay)
+	{
+		$this->type = $type;
+		$this->cascade = (float)$cascade;
+		$this->delay = (float)$delay;
+	}
+}
+
+class bar_value
+{
+	/**
+	 * @param $top as integer. The Y value of the top of the bar
+	 * @param OPTIONAL $bottom as integer. The Y value of the bottom of the bar, defaults to Y min.
+	 */
+	function bar_value( $top, $bottom=null )
+	{
+		$this->top = $top;
+		
+		if( isset( $bottom ) )
+			$this->bottom = $bottom;
+	}
+	
+	function set_colour( $colour )
+	{
+		$this->colour = $colour;
+	}
+	
+	function set_tooltip( $tip )
+	{
+		$this->tip = $tip;
+	}
+}
+
+class bar extends bar_base
+{
+	function bar()
+	{
+		$this->type      = "bar";
+		parent::bar_base();
+	}
+}
+
+class bar_glass extends bar_base
+{
+	function bar_glass()
+	{
+		$this->type      = "bar_glass";
+		parent::bar_base();
+	}
+}
+
+class bar_cylinder extends bar_base
+{
+	function bar_cylinder()
+	{
+		$this->type      = "bar_cylinder";
+		parent::bar_base();
+	}
+}
+
+class bar_cylinder_outline extends bar_base
+{
+	function bar_cylinder_outline()
+	{
+		$this->type      = "bar_cylinder_outline";
+		parent::bar_base();
+	}
+}
+
+class bar_rounded_glass extends bar_base
+{
+	function bar_rounded_glass()
+	{
+		$this->type      = "bar_round_glass";
+		parent::bar_base();
+	}
+}
+
+class bar_round extends bar_base
+{
+	function bar_round()
+	{
+		$this->type      = "bar_round";
+		parent::bar_base();
+	}
+}
+
+class bar_dome extends bar_base
+{
+	function bar_dome()
+	{
+		$this->type      = "bar_dome";
+		parent::bar_base();
+	}
+}
+
+class bar_round3d extends bar_base
+{
+	function bar_round3d()
+	{
+		$this->type      = "bar_round3d";
+		parent::bar_base();
+	}
+}
+
+class bar_3d extends bar_base
+{
+	function bar_3d()
+	{
+		$this->type      = "bar_3d";
+		parent::bar_base();
+	}
+}
\ No newline at end of file
diff --git a/libraries/chart/ofc/ofc_bar_sketch.php b/libraries/chart/ofc/ofc_bar_sketch.php
new file mode 100644
index 000000000..ce1bcccf8
--- /dev/null
+++ b/libraries/chart/ofc/ofc_bar_sketch.php
@@ -0,0 +1,29 @@
+<?php
+
+include_once 'ofc_bar_base.php';
+
+class bar_sketch extends bar_base
+{
+	/**
+	 * @param $colour as string, HEX colour e.g. '#00ff00'
+	 * @param $outline_colour as string, HEX colour e.g. '#ff0000'
+	 * @param $fun_factor as integer, range 0 to 10. 0,1 and 2 are pretty boring.
+	 * 4 to 6 is a bit fun, 7 and above is lots of fun. 
+	 */
+	function bar_sketch( $colour, $outline_colour, $fun_factor )
+	{
+		$this->type      = "bar_sketch";
+		parent::bar_base();
+		
+		$this->set_colour( $colour );
+		$this->set_outline_colour( $outline_colour );
+		$this->offset = $fun_factor;
+	}
+	
+	function set_outline_colour( $outline_colour )
+	{
+		$tmp = 'outline-colour';
+		$this->$tmp = $outline_colour;	
+	}
+}
+
diff --git a/libraries/chart/ofc/ofc_bar_stack.php b/libraries/chart/ofc/ofc_bar_stack.php
new file mode 100644
index 000000000..3d9f8d9f0
--- /dev/null
+++ b/libraries/chart/ofc/ofc_bar_stack.php
@@ -0,0 +1,55 @@
+<?php
+
+include_once 'ofc_bar_base.php';
+
+class bar_stack extends bar_base
+{
+	function bar_stack()
+	{
+		$this->type      = "bar_stack";
+		parent::bar_base();
+	}
+	
+	function append_stack( $v )
+	{
+		$this->append_value( $v );
+	}
+	
+	// an array of HEX colours strings
+	// e.g. array( '#ff0000', '#00ff00' );
+	function set_colours( $colours )
+	{
+		$this->colours = $colours;
+	}
+	
+	// an array of bar_stack_value
+	function set_keys( $keys )
+	{
+		$this->keys = $keys;
+	}
+}
+
+class bar_stack_value
+{
+	function bar_stack_value( $val, $colour )
+	{
+		$this->val = $val;
+		$this->colour = $colour;
+	}
+	
+	function set_tooltip( $tip )
+	{
+		$this->tip = $tip;
+	} 
+}
+
+class bar_stack_key
+{
+	function bar_stack_key( $colour, $text, $font_size )
+	{
+		$this->colour = $colour;
+		$this->text = $text;
+		$tmp = 'font-size';
+		$this->$tmp = $font_size;
+	}
+}
\ No newline at end of file
diff --git a/libraries/chart/ofc/ofc_candle.php b/libraries/chart/ofc/ofc_candle.php
new file mode 100644
index 000000000..21ad67f8d
--- /dev/null
+++ b/libraries/chart/ofc/ofc_candle.php
@@ -0,0 +1,41 @@
+<?php
+
+include_once 'ofc_bar_base.php';
+
+class candle_value
+{
+	/**
+	 *
+	 */
+	function candle_value( $high, $open, $close, $low )
+	{
+		$this->high = $high;
+		$this->top = $open;
+		$this->bottom = $close;
+		$this->low = $low;
+	}
+	
+	function set_colour( $colour )
+	{
+		$this->colour = $colour;
+	}
+	
+	function set_tooltip( $tip )
+	{
+		$this->tip = $tip;
+	}
+}
+
+class candle extends bar_base
+{
+	function candle($colour, $negative_colour=null)
+	{
+		$this->type      = "candle";
+		parent::bar_base();
+		
+		$this->set_colour( $colour );
+		if(!is_null($negative_colour))
+			$this->{'negative-colour'} = $negative_colour;
+	}
+}
+
diff --git a/libraries/chart/ofc/ofc_hbar.php b/libraries/chart/ofc/ofc_hbar.php
new file mode 100644
index 000000000..6f8c0e451
--- /dev/null
+++ b/libraries/chart/ofc/ofc_hbar.php
@@ -0,0 +1,64 @@
+<?php
+
+class hbar_value
+{
+	function hbar_value( $left, $right=null )
+	{
+		if( isset( $right ) )
+		{
+			$this->left = $left;
+			$this->right = $right;
+		}
+		else
+			$this->right = $left;
+	}
+	
+	function set_colour( $colour )
+	{
+		$this->colour = $colour;	
+	}
+	
+	function set_tooltip( $tip )
+	{
+		$this->tip = $tip;	
+	}
+}
+
+class hbar
+{
+	function hbar( $colour )
+	{
+		$this->type      = "hbar";
+		$this->values    = array();
+		$this->set_colour( $colour );
+	}
+	
+	function append_value( $v )
+	{
+		$this->values[] = $v;		
+	}
+	
+	function set_values( $v )
+	{
+		foreach( $v as $val )
+			$this->append_value( new hbar_value( $val ) );
+	}
+	
+	function set_colour( $colour )
+	{
+		$this->colour = $colour;	
+	}
+	
+	function set_key( $text, $size )
+	{
+		$this->text = $text;
+		$tmp = 'font-size';
+		$this->$tmp = $size;
+	}
+	
+	function set_tooltip( $tip )
+	{
+		$this->tip = $tip;	
+	}
+}
+
diff --git a/libraries/chart/ofc/ofc_line.php b/libraries/chart/ofc/ofc_line.php
new file mode 100644
index 000000000..e635f2c02
--- /dev/null
+++ b/libraries/chart/ofc/ofc_line.php
@@ -0,0 +1,157 @@
+<?php
+
+class line_on_show
+{
+	/**
+	 *@param $type as string. Can be any one of:
+	 * - 'pop-up'
+	 * - 'explode'
+	 * - 'mid-slide'
+	 * - 'drop'
+	 * - 'fade-in'
+	 * - 'shrink-in'
+	 *
+	 * @param $cascade as float. Cascade in seconds
+	 * @param $delay as float. Delay before animation starts in seconds.
+	 */
+	function __construct($type, $cascade, $delay)
+	{
+		$this->type = $type;
+		$this->cascade = (float)$cascade;
+		$this->delay = (float)$delay;
+	}
+}
+
+class line
+{
+	function line()
+	{
+		$this->type      = "line";
+		$this->values    = array();
+	}
+	
+	/**
+	 * Set the default dot that all the real
+	 * dots inherit their properties from. If you set the
+	 * default dot to be red, all values in your chart that
+	 * do not specify a colour will be red. Same for all the
+	 * other attributes such as tooltip, on-click, size etc...
+	 * 
+	 * @param $style as any class that inherits base_dot
+	 */
+	function set_default_dot_style( $style )
+	{
+		$tmp = 'dot-style';
+		$this->$tmp = $style;	
+	}
+	
+	/**
+	 * @param $v as array, can contain any combination of:
+	 *  - integer, Y position of the point
+	 *  - any class that inherits from dot_base
+	 *  - <b>null</b>
+	 */
+	function set_values( $v )
+	{
+		$this->values = $v;		
+	}
+	
+	/**
+     * Append a value to the line.
+     *
+     * @param mixed $v
+     */
+    function append_value($v)
+    {
+        $this->values[] = $v;       
+    }
+	
+	function set_width( $width )
+	{
+		$this->width = $width;		
+	}
+	
+	function set_colour( $colour )
+	{
+		$this->colour = $colour;
+	}
+	
+	/**
+	 * sytnatical sugar for set_colour
+	 */
+	function colour( $colour )
+	{
+		$this->set_colour( $colour );
+		return $this;
+	}
+	
+	function set_halo_size( $size )
+	{
+		$tmp = 'halo-size';
+		$this->$tmp = $size;		
+	}
+	
+	function set_key( $text, $font_size )
+	{
+		$this->text      = $text;
+		$tmp = 'font-size';
+		$this->$tmp = $font_size;
+	}
+	
+	function set_tooltip( $tip )
+	{
+		$this->tip = $tip;
+	}
+	
+	/**
+	 * @param $text as string. A javascript function name as a string. The chart will
+	 * try to call this function, it will pass the chart id as the only parameter into
+	 * this function. E.g:
+	 * 
+	 */
+	function set_on_click( $text )
+	{
+		$tmp = 'on-click';
+		$this->$tmp = $text;
+	}
+	
+	function loop()
+	{
+		$this->loop = true;
+	}
+	
+	function line_style( $s )
+	{
+		$tmp = "line-style";
+		$this->$tmp = $s;
+	}
+	
+	    /**
+     * Sets the text for the line.
+     *
+     * @param string $text
+     */   
+    function set_text($text)
+    {
+        $this->text = $text;
+    }
+	
+	function attach_to_right_y_axis()
+	{
+		$this->axis = 'right';
+	}
+	
+	/**
+	 *@param $on_show as line_on_show object
+	 */
+	function set_on_show($on_show)
+	{
+		$this->{'on-show'} = $on_show;
+	}
+	
+	function on_show($on_show)
+	{
+		$this->set_on_show($on_show);
+		return $this;
+	}
+}
\ No newline at end of file
diff --git a/libraries/chart/ofc/ofc_line_base.php b/libraries/chart/ofc/ofc_line_base.php
new file mode 100644
index 000000000..fa45cbc89
--- /dev/null
+++ b/libraries/chart/ofc/ofc_line_base.php
@@ -0,0 +1,92 @@
+<?php
+
+class line_base
+{
+	function line_base()
+	{
+		$this->type      = "line";
+		$this->text      = "Page views";
+		$tmp = 'font-size';
+		$this->$tmp = 10;
+		
+		$this->values    = array();
+	}
+	
+	function set_values( $v )
+	{
+		$this->values = $v;		
+	}
+	
+	/**
+     * Append a value to the line.
+     *
+     * @param mixed $v
+     */
+    function append_value($v)
+    {
+        $this->values[] = $v;       
+    }
+	
+	function set_width( $width )
+	{
+		$this->width = $width;		
+	}
+	
+	function set_colour( $colour )
+	{
+		$this->colour = $colour;
+	}
+	
+	function set_dot_size( $size )
+	{
+		$tmp = 'dot-size';
+		$this->$tmp = $size;		
+	}
+	
+	function set_halo_size( $size )
+	{
+		$tmp = 'halo-size';
+		$this->$tmp = $size;		
+	}
+	
+	function set_key( $text, $font_size )
+	{
+		$this->text      = $text;
+		$tmp = 'font-size';
+		$this->$tmp = $font_size;
+	}
+	
+	function set_tooltip( $tip )
+	{
+		$this->tip = $tip;
+	}
+	
+	function set_on_click( $text )
+	{
+		$tmp = 'on-click';
+		$this->$tmp = $text;
+	}
+	
+	function loop()
+	{
+		$this->loop = true;
+	}
+	
+	function line_style( $s )
+	{
+		$tmp = "line-style";
+		$this->$tmp = $s;
+	}
+	
+	    /**
+     * Sets the text for the line.
+     *
+     * @param string $text
+     */   
+    function set_text($text)
+    {
+        $this->text = $text;
+    }
+	
+	
+}
\ No newline at end of file
diff --git a/libraries/chart/ofc/ofc_line_dot.php b/libraries/chart/ofc/ofc_line_dot.php
new file mode 100644
index 000000000..146691173
--- /dev/null
+++ b/libraries/chart/ofc/ofc_line_dot.php
@@ -0,0 +1,33 @@
+<?php
+
+class dot_value
+{
+	function dot_value( $value, $colour )
+	{
+		$this->value = $value;
+		$this->colour = $colour;
+	}
+	
+	function set_colour( $colour )
+	{
+		$this->colour = $colour;
+	}
+	
+	function set_size( $size )
+	{
+		$this->size = $size;
+	}
+	
+	function set_tooltip( $tip )
+	{
+		$this->tip = $tip;
+	}
+}
+
+class line_dot extends line_base
+{
+	function line_dot()
+	{
+		$this->type      = "line_dot";
+	}
+}
\ No newline at end of file
diff --git a/libraries/chart/ofc/ofc_line_hollow.php b/libraries/chart/ofc/ofc_line_hollow.php
new file mode 100644
index 000000000..512bb07d9
--- /dev/null
+++ b/libraries/chart/ofc/ofc_line_hollow.php
@@ -0,0 +1,9 @@
+<?php
+
+class line_hollow extends line_base
+{
+	function line_hollow()
+	{
+		$this->type      = "line_hollow";
+	}
+}
\ No newline at end of file
diff --git a/libraries/chart/ofc/ofc_line_style.php b/libraries/chart/ofc/ofc_line_style.php
new file mode 100644
index 000000000..4f538cf9d
--- /dev/null
+++ b/libraries/chart/ofc/ofc_line_style.php
@@ -0,0 +1,11 @@
+<?php
+
+class line_style
+{
+	function line_style($on, $off)
+	{
+		$this->style	= "dash";
+		$this->on		= $on;
+		$this->off		= $off;
+	}
+}
\ No newline at end of file
diff --git a/libraries/chart/ofc/ofc_menu.php b/libraries/chart/ofc/ofc_menu.php
new file mode 100644
index 000000000..0750a09c2
--- /dev/null
+++ b/libraries/chart/ofc/ofc_menu.php
@@ -0,0 +1,56 @@
+<?php
+
+class ofc_menu_item
+{
+	/**
+	 * @param $text as string. The menu item text.
+	 * @param $javascript_function_name as string. The javascript function name, the
+	 * js function takes one parameter, the chart ID. See ofc_menu_item_camera for
+	 * some example code.
+	 */
+	function ofc_menu_item($text, $javascript_function_name)
+	{
+		$this->type = "text";
+		$this->text = $text;
+		$tmp = 'javascript-function';
+		$this->$tmp = $javascript_function_name;
+	}
+}
+
+class ofc_menu_item_camera
+{
+	/**
+	 * @param $text as string. The menu item text.
+	 * @param $javascript_function_name as string. The javascript function name, the
+	 * js function takes one parameter, the chart ID. So for example, our js function
+	 * could look like this:
+	 *
+	 * function save_image( chart_id )
+	 * {
+	 *     alert( chart_id );
+	 * }
+	 *
+	 * to make a menu item call this: ofc_menu_item_camera('Save chart', 'save_image');
+	 */
+	function ofc_menu_item_camera($text, $javascript_function_name)
+	{
+		$this->type = "camera-icon";
+		$this->text = $text;
+		$tmp = 'javascript-function';
+		$this->$tmp = $javascript_function_name;
+	}
+}
+
+class ofc_menu
+{
+	function ofc_menu($colour, $outline_colour)
+	{
+		$this->colour = $colour;
+		$this->outline_colour = $outline_colour;
+	}
+	
+	function values($values)
+	{
+		$this->values = $values;
+	}
+}
\ No newline at end of file
diff --git a/libraries/chart/ofc/ofc_pie.php b/libraries/chart/ofc/ofc_pie.php
new file mode 100644
index 000000000..bf779c554
--- /dev/null
+++ b/libraries/chart/ofc/ofc_pie.php
@@ -0,0 +1,257 @@
+<?php
+
+class pie_value
+{
+	function pie_value( $value, $label )
+	{
+		$this->value = $value;
+		$this->label = $label;
+	}
+	
+	function set_colour( $colour )
+	{
+		$this->colour = $colour;
+	}
+	
+	function set_label( $label, $label_colour, $font_size )
+	{
+		$this->label = $label;
+		
+		$tmp = 'label-colour';
+		$this->$tmp = $label_colour;
+		
+		$tmp = 'font-size';
+		$this->$tmp = $font_size;
+		
+	}
+	
+	function set_tooltip( $tip )
+	{
+		$this->tip = $tip;
+	}
+	
+	function on_click( $event )
+	{
+		$tmp = 'on-click';
+		$this->$tmp = $event;
+	}
+	
+	
+	/**
+	 * An object that inherits from base_pie_animation
+	 */
+	function add_animation( $animation )
+	{
+		if( !isset( $this->animate ) )
+			$this->animate = array();
+			
+		$this->animate[] = $animation;
+		
+		return $this;
+	}
+}
+
+class base_pie_animation{}
+
+/**
+ * fade the pie slice from $alpha (pie set_alpha) to 100% opaque.
+ */
+class pie_fade extends base_pie_animation
+{
+	function pie_fade()
+	{
+		$this->type="fade";
+	}
+}
+
+/**
+ * Bounce the pie slice out a little
+ */
+class pie_bounce extends base_pie_animation
+{
+	/**
+	 * @param $distance as integer, distance to bounce in pixels
+	 */
+	function pie_bounce( $distance )
+	{
+		$this->type="bounce";
+		$this->distance = $distance;
+	}
+}
+
+/**
+ * Make a pie chart and fill it with pie slices
+ */
+class pie
+{
+	function pie()
+	{
+		$this->type      		= 'pie';
+	}
+	
+	function set_colours( $colours )
+	{
+		$this->colours = $colours;
+	}
+	
+	/**
+	 * Sugar wrapped around set_colours
+	 */
+	function colours( $colours )
+	{
+		$this->set_colours( $colours );
+		return $this;
+	}
+	
+	/**
+	 * @param $alpha as float (0-1) 0.75 = 3/4 visible
+	 */
+	function set_alpha( $alpha )
+	{
+		$this->alpha = $alpha;
+	}
+	
+	/**
+	 *sugar wrapped set_alpha
+	 **/
+	function alpha( $alpha )
+	{
+		$this->set_alpha( $alpha );
+		return $this;
+	}
+	
+	/**
+	 * @param $v as array containing one of
+	 *  - null
+	 *  - real or integer number
+	 *  - a pie_value object
+	 */
+	function set_values( $v )
+	{
+		$this->values = $v;		
+	}
+
+	/**
+	 * sugar for set_values
+	 */
+	function values( $v )
+	{
+		$this->set_values( $v );
+		return $this;
+	}
+	
+	/**
+	 * HACK to keep old code working.
+	 */
+	function set_animate( $bool )
+	{
+		if( $bool )
+			$this->add_animation( new pie_fade() );
+			
+	}
+	
+	/**
+	 * An object that inherits from base_pie_animation
+	 */
+	function add_animation( $animation )
+	{
+		if( !isset( $this->animate ) )
+			$this->animate = array();
+			
+		$this->animate[] = $animation;
+		
+		return $this;
+	}
+	
+	/**
+	 * @param $angle as real number
+	 */
+	function set_start_angle( $angle )
+	{
+		$tmp = 'start-angle';
+		$this->$tmp = $angle;
+	}
+	
+	/**
+	 * sugar for set_start_angle
+	 */
+	function start_angle($angle)
+	{
+		$this->set_start_angle( $angle );
+		return $this;
+	}
+	
+	/**
+	 * @param $tip as string. The tooltip text. May contain magic varibles
+	 */
+	function set_tooltip( $tip )
+	{
+		$this->tip = $tip;
+	}
+	
+	/**
+	 * sugar for set_tooltip
+	 */
+	function tooltip( $tip )
+	{
+		$this->set_tooltip( $tip );
+		return $this;
+	}
+	
+	function set_gradient_fill()
+	{
+		$tmp = 'gradient-fill';
+		$this->$tmp = true;
+	}
+	
+	function gradient_fill()
+	{
+		$this->set_gradient_fill();
+		return $this;
+	}
+	
+	/**
+	 * By default each label is the same colour as the slice,
+	 * but you can ovveride that behaviour using this method.
+	 * 
+	 * @param $label_colour as string HEX colour;
+	 */
+	function set_label_colour( $label_colour )
+	{
+		$tmp = 'label-colour';
+		$this->$tmp = $label_colour;	
+	}
+	
+	function label_colour( $label_colour )
+	{
+		$this->set_label_colour( $label_colour );
+		return $this;
+	}
+	
+	/**
+	 * Turn off the labels
+	 */
+	function set_no_labels()
+	{
+		$tmp = 'no-labels';
+		$this->$tmp = true;
+	}
+	
+	function on_click( $event )
+	{
+		$tmp = 'on-click';
+		$this->$tmp = $event;
+	}
+	
+	/**
+	 * Fix the radius of the pie chart. Take a look at the magic variable #radius#
+	 * for helping figure out what radius to set it to.
+	 * 
+	 * @param $radius as number
+	 */
+	function radius( $radius )
+	{
+		$this->radius = $radius;
+		return $this;
+	}
+}
diff --git a/libraries/chart/ofc/ofc_radar_axis.php b/libraries/chart/ofc/ofc_radar_axis.php
new file mode 100644
index 000000000..909c41af8
--- /dev/null
+++ b/libraries/chart/ofc/ofc_radar_axis.php
@@ -0,0 +1,47 @@
+<?php
+
+class radar_axis
+{
+	function radar_axis( $max )
+	{
+		$this->set_max( $max );
+	}
+	
+	function set_max( $max )
+	{
+		$this->max = $max;
+	}
+	
+	function set_steps( $steps )
+	{
+		$this->steps = $steps;
+	}
+	
+	function set_stroke( $s )
+	{
+		$this->stroke = $s;
+	}
+    
+	function set_colour( $colour )
+	{
+		$this->colour = $colour;
+	}
+	
+	function set_grid_colour( $colour )
+	{
+		$tmp = 'grid-colour';
+		$this->$tmp = $colour;
+	}
+	
+	function set_labels( $labels )
+	{
+		$this->labels = $labels;
+	}
+	
+	function set_spoke_labels( $labels )
+	{
+		$tmp = 'spoke-labels';
+		$this->$tmp = $labels;
+	}
+}
+
diff --git a/libraries/chart/ofc/ofc_radar_axis_labels.php b/libraries/chart/ofc/ofc_radar_axis_labels.php
new file mode 100644
index 000000000..22d485e4e
--- /dev/null
+++ b/libraries/chart/ofc/ofc_radar_axis_labels.php
@@ -0,0 +1,15 @@
+<?php
+
+class radar_axis_labels
+{
+	// $labels : array
+	function radar_axis_labels( $labels )
+	{
+		$this->labels = $labels;
+	}
+	
+	function set_colour( $colour )
+	{
+		$this->colour = $colour;
+	}
+}
\ No newline at end of file
diff --git a/libraries/chart/ofc/ofc_radar_spoke_labels.php b/libraries/chart/ofc/ofc_radar_spoke_labels.php
new file mode 100644
index 000000000..51ba25e9a
--- /dev/null
+++ b/libraries/chart/ofc/ofc_radar_spoke_labels.php
@@ -0,0 +1,15 @@
+<?php
+
+class radar_spoke_labels
+{
+	// $labels : array
+	function radar_spoke_labels( $labels )
+	{
+		$this->labels = $labels;
+	}
+	
+	function set_colour( $colour )
+	{
+		$this->colour = $colour;
+	}
+}
\ No newline at end of file
diff --git a/libraries/chart/ofc/ofc_scatter.php b/libraries/chart/ofc/ofc_scatter.php
new file mode 100644
index 000000000..7159a3a64
--- /dev/null
+++ b/libraries/chart/ofc/ofc_scatter.php
@@ -0,0 +1,47 @@
+<?php
+
+class scatter_value
+{
+	function scatter_value( $x, $y, $dot_size=-1 )
+	{
+		$this->x = $x;
+		$this->y = $y;
+		
+		if( $dot_size > 0 )
+		{
+			$tmp = 'dot-size';
+			$this->$tmp = $dot_size;
+		}
+	}
+}
+
+class scatter
+{
+	function scatter( $colour )
+	{
+		$this->type      = "scatter";
+		$this->set_colour( $colour );
+	}
+	
+	function set_colour( $colour )
+	{
+		$this->colour = $colour;
+	}
+
+	function set_default_dot_style( $style )
+	{
+		$tmp = 'dot-style';
+		$this->$tmp = $style;	
+	}
+	
+	/**
+	 * @param $v as array, can contain any combination of:
+	 *  - integer, Y position of the point
+	 *  - any class that inherits from scatter_value
+	 *  - <b>null</b>
+	 */
+	function set_values( $values )
+	{
+		$this->values = $values;
+	}
+}
diff --git a/libraries/chart/ofc/ofc_scatter_line.php b/libraries/chart/ofc/ofc_scatter_line.php
new file mode 100644
index 000000000..d667d7e8c
--- /dev/null
+++ b/libraries/chart/ofc/ofc_scatter_line.php
@@ -0,0 +1,49 @@
+<?php
+
+class scatter_line
+{
+	function scatter_line( $colour, $width  )
+	{
+		$this->type      = "scatter_line";
+		$this->set_colour( $colour );
+		$this->set_width( $width );
+	}
+	
+	function set_default_dot_style( $style )
+	{
+		$tmp = 'dot-style';
+		$this->$tmp = $style;	
+	}
+	
+	function set_colour( $colour )
+	{
+		$this->colour = $colour;
+	}
+	
+	function set_width( $width )
+	{
+		$this->width = $width;
+	}
+	
+	function set_values( $values )
+	{
+		$this->values = $values;
+	}
+	
+	function set_step_horizontal()
+	{
+		$this->stepgraph = 'horizontal';
+	}
+	
+	function set_step_vertical()
+	{
+		$this->stepgraph = 'vertical';
+	}
+	
+	function set_key( $text, $font_size )
+	{
+		$this->text      = $text;
+		$tmp = 'font-size';
+		$this->$tmp = $font_size;
+	}
+}
\ No newline at end of file
diff --git a/libraries/chart/ofc/ofc_shape.php b/libraries/chart/ofc/ofc_shape.php
new file mode 100644
index 000000000..0cfe39f9b
--- /dev/null
+++ b/libraries/chart/ofc/ofc_shape.php
@@ -0,0 +1,25 @@
+<?php
+
+class shape_point
+{
+	function shape_point( $x, $y )
+	{
+		$this->x = $x;
+		$this->y = $y;
+	}
+}
+
+class shape
+{
+	function shape( $colour )
+	{
+		$this->type		= "shape";
+		$this->colour	= $colour;
+		$this->values	= array();
+	}
+	
+	function append_value( $p )
+	{
+		$this->values[] = $p;	
+	}
+}
\ No newline at end of file
diff --git a/libraries/chart/ofc/ofc_sugar.php b/libraries/chart/ofc/ofc_sugar.php
new file mode 100644
index 000000000..a9e85555e
--- /dev/null
+++ b/libraries/chart/ofc/ofc_sugar.php
@@ -0,0 +1,43 @@
+<?php
+
+/**
+ * Sugar: to make stars easier sometimes
+ */
+class s_star extends star
+{
+	/**
+	 * I use this wrapper for default dot types,
+	 * it just makes the code easier to read.
+	 */
+	function s_star($colour, $size)
+	{
+		parent::star();
+		$this->colour($colour)->size($size);
+	}
+}
+
+class s_box extends anchor
+{
+	/**
+	 * I use this wrapper for default dot types,
+	 * it just makes the code easier to read.
+	 */
+	function s_box($colour, $size)
+	{
+		parent::anchor();
+		$this->colour($colour)->size($size)->rotation(45)->sides(4);
+	}
+}
+
+class s_hollow_dot extends hollow_dot
+{
+	/**
+	 * I use this wrapper for default dot types,
+	 * it just makes the code easier to read.
+	 */
+	function s_hollow_dot($colour, $size)
+	{
+		parent::hollow_dot();
+		$this->colour($colour)->size($size);
+	}
+}
\ No newline at end of file
diff --git a/libraries/chart/ofc/ofc_tags.php b/libraries/chart/ofc/ofc_tags.php
new file mode 100644
index 000000000..7e7e24454
--- /dev/null
+++ b/libraries/chart/ofc/ofc_tags.php
@@ -0,0 +1,133 @@
+<?php
+
+class ofc_tags
+{
+	function ofc_tags()
+	{
+		$this->type      = "tags";
+		$this->values	= array();
+	}
+	
+	function colour( $colour )
+	{
+		$this->colour = $colour;
+		return $this;
+	}
+	
+	/**
+	 *@param $font as string. e.g. "Verdana"
+	 *@param $size as integer. Size in px
+	 */
+	function font($font, $size)
+	{
+		$this->font = $font;
+		$this->{'font-size'} = $size;
+		return $this;
+	}
+
+	/**
+	 *@param $x as integer. Size of x padding in px
+	 *@param $y as integer. Size of y padding in px
+	 */
+	function padding($x, $y)
+	{
+		$this->{"pad-x"} = $x;
+		$this->{"pad-y"} = $y;
+		return $this;
+	}
+	
+	function rotate($angle)
+	{
+		$this->rotate($angle);
+		return $this;
+	}
+	
+	function align_x_center()
+	{
+		$this->{"align-x"} = "center";
+		return $this;
+	}
+	
+	function align_x_left()
+	{
+		$this->{"align-x"} = "left";
+		return $this;
+	}
+	
+	function align_x_right()
+	{
+		$this->{"align-x"} = "right";
+		return $this;
+	}
+	
+	function align_y_above()
+	{
+		$this->{"align-y"} = "above";
+		return $this;
+	}
+	
+	function align_y_below()
+	{
+		$this->{"align-y"} = "below";
+		return $this;
+	}
+	
+	function align_y_center()
+	{
+		$this->{"align-y"} = "center";
+		return $this;
+	}
+	
+	/**
+	 * This can contain some HTML, e.g:
+	 *  - "More <a href="javascript:alert(12);">info</a>"
+	 *  - "<a href="http://teethgrinder.co.uk">ofc</a>"
+	 */
+	function text($text)
+	{
+		$this->text = $text;
+		return $this;
+	}
+	
+	/**
+	 * This works, but to get the mouse pointer to change
+	 * to a little hand you need to use "<a href="">stuff</a>"-- see text()
+	 */
+	function on_click($on_click)
+	{
+		$this->{'on-click'} = $on_click;
+		return $this;
+	}
+	
+	/**
+	 *@param $bold boolean.
+	 *@param $underline boolean.
+	 *@param $border boolean.
+	 *@prarm $alpha real (0 to 1.0)
+	 */
+	function style($bold, $underline, $border, $alpha )
+	{
+		$this->bold = $bold;
+		$this->border = $underline;
+		$this->underline = $border;
+		$this->alpha = $alpha;
+		return $this;
+	}
+	
+	/**
+	 *@param $tag as ofc_tag
+	 */
+	function append_tag($tag)
+	{
+		$this->values[] = $tag;
+	}
+}
+
+class ofc_tag extends ofc_tags
+{
+	function ofc_tag($x, $y)
+	{
+		$this->x = $x;
+		$this->y = $y;
+	}
+}
\ No newline at end of file
diff --git a/libraries/chart/ofc/ofc_title.php b/libraries/chart/ofc/ofc_title.php
new file mode 100644
index 000000000..cda1de006
--- /dev/null
+++ b/libraries/chart/ofc/ofc_title.php
@@ -0,0 +1,39 @@
+<?php
+
+/**
+ * Set the title of a chart, make one of these and pass it into
+ * open_flash_chart set_title
+ */
+class title
+{
+	function title( $text='' )
+	{
+		$this->text = $text;
+	}
+	
+	/**
+	 * A css string. Can optionally contain:
+     * - font-size
+     * - font-family
+     * - font-weight
+     * - color
+     * - background-color
+     * - text-align
+     * - margin
+     * - margin-left
+     * - margin-right
+     * - margin-top
+     * - margin-bottom
+     * - padding
+     * - padding-left
+     * - padding-right
+     * - padding-top
+     * - padding-bottom
+     * just like the css we use all the time :-)
+	 */
+	function set_style( $css )
+	{
+		$this->style = $css;
+		//"{font-size: 20px; color:#0000ff; font-family: Verdana; text-align: center;}";		
+	}
+}
\ No newline at end of file
diff --git a/libraries/chart/ofc/ofc_tooltip.php b/libraries/chart/ofc/ofc_tooltip.php
new file mode 100644
index 000000000..3104ee33b
--- /dev/null
+++ b/libraries/chart/ofc/ofc_tooltip.php
@@ -0,0 +1,67 @@
+<?php
+
+include_once 'ofc_bar_base.php';
+
+class tooltip
+{
+	function tooltip(){}
+	
+	/**
+	 * @param $shadow as boolean. Enable drop shadow.
+	 */
+	function set_shadow( $shadow )
+	{
+		$this->shadow = $shadow;
+	}
+	
+	/**
+	 * @param $stroke as integer, border width in pixels (e.g. 5 )
+	 */
+	function set_stroke( $stroke )
+	{
+		$this->stroke = $stroke;
+	}
+	
+	/**
+	 * @param $colour as string, HEX colour e.g. '#0000ff'
+	 */
+	function set_colour( $colour )
+	{
+		$this->colour = $colour;
+	}
+	
+	/**
+	 * @param $bg as string, HEX colour e.g. '#0000ff'
+	 */
+	function set_background_colour( $bg )
+	{
+		$this->background = $bg;
+	}
+	
+	/**
+	 * @param $style as string. A css style.
+	 */
+	function set_title_style( $style )
+	{
+		$this->title = $style;
+	}
+	
+	/**
+	 * @param $style as string. A css style.
+	 */
+    function set_body_style( $style )
+	{
+		$this->body = $style;
+	}
+	
+	function set_proximity()
+	{
+		$this->mouse = 1;
+	}
+	
+	function set_hover()
+	{
+		$this->mouse = 2;
+	}
+}
+
diff --git a/libraries/chart/ofc/ofc_upload_image.php b/libraries/chart/ofc/ofc_upload_image.php
new file mode 100644
index 000000000..0261f9aea
--- /dev/null
+++ b/libraries/chart/ofc/ofc_upload_image.php
@@ -0,0 +1,70 @@
+<?php
+
+//
+// In Open Flash Chart -> save_image debug mode, you
+// will see the 'echo' text in a new window.
+//
+
+/*
+ 
+print_r( $_GET );
+print_r( $_POST );
+print_r( $_FILES );
+
+print_r( $GLOBALS );
+print_r( $GLOBALS["HTTP_RAW_POST_DATA"] );
+
+*/
+
+
+// default path for the image to be stored //
+$default_path = '../tmp-upload-images/';
+
+if (!file_exists($default_path)) mkdir($default_path, 0777, true);
+
+// full path to the saved image including filename //
+$destination = $default_path . basename( $_GET[ 'name' ] ); 
+
+echo 'Saving your image to: '. $destination;
+// print_r( $_POST );
+// print_r( $_SERVER );
+// echo $HTTP_RAW_POST_DATA;
+
+//
+// POST data is usually string data, but we are passing a RAW .png
+// so PHP is a bit confused and $_POST is empty. But it has saved
+// the raw bits into $HTTP_RAW_POST_DATA
+//
+
+$jfh = fopen($destination, 'w') or die("can't open file");
+fwrite($jfh, $HTTP_RAW_POST_DATA);
+fclose($jfh);
+
+//
+// LOOK:
+//
+exit();
+
+
+//
+// PHP5:
+//
+
+
+// default path for the image to be stored //
+$default_path = 'tmp-upload-images/';
+
+if (!file_exists($default_path)) mkdir($default_path, 0777, true);
+
+// full path to the saved image including filename //
+$destination = $default_path . basename( $_FILES[ 'Filedata' ][ 'name' ] ); 
+
+// move the image into the specified directory //
+if (move_uploaded_file($_FILES[ 'Filedata' ][ 'tmp_name' ], $destination)) {
+    echo "The file " . basename( $_FILES[ 'Filedata' ][ 'name' ] ) . " has been uploaded;";
+} else {
+    echo "FILE UPLOAD FAILED";
+}
+
+
+?>
diff --git a/libraries/chart/ofc/ofc_x_axis.php b/libraries/chart/ofc/ofc_x_axis.php
new file mode 100644
index 000000000..da1c7672b
--- /dev/null
+++ b/libraries/chart/ofc/ofc_x_axis.php
@@ -0,0 +1,140 @@
+<?php
+
+class x_axis
+{
+	function x_axis(){}
+
+	/**
+	 * @param $stroke as integer, with of the line and ticks
+	 */
+	function set_stroke( $stroke )
+	{
+		$this->stroke = $stroke;	
+	}
+	
+	function stroke( $stroke )
+	{
+		$this->set_stroke( $stroke );
+		return $this;
+	}
+	
+	/**
+	 *@param $colour as string HEX colour
+	 *@param $grid_colour as string HEX colour
+	 */
+	function set_colours( $colour, $grid_colour )
+	{
+		$this->set_colour( $colour );
+		$this->set_grid_colour( $grid_colour );
+	}
+	
+	/**
+	 *@param $colour as string HEX colour
+	 */
+	function set_colour( $colour )
+	{
+		$this->colour = $colour;	
+	}
+	
+	function colour( $colour )
+	{
+		$this->set_colour($colour);
+		return $this;
+	}
+	
+	function set_tick_height( $height )
+	{
+		$tmp = 'tick-height';
+		$this->$tmp      		= $height;
+	}
+	
+	function tick_height( $height )
+	{
+		$this->set_tick_height($height);
+		return $this;
+	}
+	
+	function set_grid_colour( $colour )
+	{
+		$tmp = 'grid-colour';
+		$this->$tmp = $colour;
+	}
+	
+	function grid_colour( $colour )
+	{
+		$this->set_grid_colour($colour);
+		return $this;
+	}
+	
+	/**
+	 * @param $o is a boolean. If true, the X axis start half a step in
+	 * This defaults to True
+	 */
+	function set_offset( $o )
+	{
+		$this->offset = $o?true:false;	
+	}
+	
+	function offset( $o )
+	{
+		$this->set_offset($o);
+		return $this;
+	}
+	
+	/**
+	 * @param $steps as integer. Which grid lines and ticks are visible.
+	 */
+	function set_steps( $steps )
+	{
+		$this->steps = $steps;
+	}
+	
+	function steps( $steps )
+	{
+		$this->set_steps($steps);
+		return $this;
+	}
+	
+	/**
+	 * @param $val as an integer, the height in pixels of the 3D bar. Mostly
+	 * used for the 3D bar chart.
+	 */
+	function set_3d( $val )
+	{
+		$tmp = '3d';
+		$this->$tmp				= $val;		
+	}
+	
+	/**
+	 * @param $x_axis_labels as an x_axis_labels object
+	 * Use this to customize the labels (colour, font, etc...)
+	 */
+	function set_labels( $x_axis_labels )
+	{
+		//$this->labels = $v;
+		$this->labels = $x_axis_labels;
+	}
+	
+	/**
+	 * Sugar syntax: helper function to make the examples simpler.
+	 * @param $a is an array of labels
+	 */
+	function set_labels_from_array( $a )
+	{
+		$x_axis_labels = new x_axis_labels();
+		$x_axis_labels->set_labels( $a );
+		$this->labels = $x_axis_labels;
+		
+		if( isset( $this->steps ) )
+			$x_axis_labels->set_steps( $this->steps );
+	}
+	
+	/**
+	 * min and max.
+	 */
+	function set_range( $min, $max )
+	{
+		$this->min = $min;
+		$this->max = $max;
+	}
+}
\ No newline at end of file
diff --git a/libraries/chart/ofc/ofc_x_axis_label.php b/libraries/chart/ofc/ofc_x_axis_label.php
new file mode 100644
index 000000000..cf116f15f
--- /dev/null
+++ b/libraries/chart/ofc/ofc_x_axis_label.php
@@ -0,0 +1,45 @@
+<?php
+
+/**
+ * x_axis_label see x_axis_labels
+ */
+class x_axis_label
+{
+	function x_axis_label( $text, $colour, $size, $rotate )
+	{
+		$this->set_text( $text );
+		$this->set_colour( $colour );
+		$this->set_size( $size );
+		$this->set_rotate( $rotate );
+	}
+	
+	function set_text( $text )
+	{
+		$this->text = $text;
+	}
+	
+	function set_colour( $colour )
+	{
+		$this->colour = $colour;
+	}
+	
+	function set_size( $size )
+	{
+		$this->size = $size;
+	}
+	
+	function set_rotate( $rotate )
+	{
+		$this->rotate = $rotate;
+	}
+	
+	function set_vertical()
+	{
+		$this->rotate = "vertical";
+	}
+	
+	function set_visible()
+	{
+		$this->visible = true;
+	}
+}
\ No newline at end of file
diff --git a/libraries/chart/ofc/ofc_x_axis_labels.php b/libraries/chart/ofc/ofc_x_axis_labels.php
new file mode 100644
index 000000000..af4540f95
--- /dev/null
+++ b/libraries/chart/ofc/ofc_x_axis_labels.php
@@ -0,0 +1,69 @@
+<?php
+
+class x_axis_labels
+{
+	function x_axis_labels(){}
+	
+	/**
+	 * @param $steps which labels are generated
+	 */
+	function set_steps( $steps )
+	{
+		$this->steps = $steps;
+	}
+	
+	/**
+	 * @param $steps as integer which labels are visible
+	 */
+	function visible_steps( $steps )
+	{
+		$this->{"visible-steps"} = $steps;
+		return $this;
+	}
+	
+	/**
+	 *
+	 * @param $labels as an array of [x_axis_label or string]
+	 */
+	function set_labels( $labels )
+	{
+		$this->labels = $labels;
+	}
+	
+	function set_colour( $colour )
+	{
+		$this->colour = $colour;
+	}
+	
+	/**
+	 * font size in pixels
+	 */
+	function set_size( $size )
+	{
+		$this->size = $size;
+	}
+	
+	/**
+	 * rotate labels
+	 */
+	function set_vertical()
+	{
+		$this->rotate = 270;
+	}
+	
+	/**
+	 * @param @angle as real. The angle of the text.
+	 */
+	function rotate( $angle )
+	{
+		$this->rotate = $angle;
+	}
+	
+	/**
+	 * @param $text as string. Replace and magic variables with actual x axis position.
+	 */
+	function text( $text )
+	{
+		$this->text = $text;
+	}
+}
\ No newline at end of file
diff --git a/libraries/chart/ofc/ofc_x_legend.php b/libraries/chart/ofc/ofc_x_legend.php
new file mode 100644
index 000000000..7a25af0c2
--- /dev/null
+++ b/libraries/chart/ofc/ofc_x_legend.php
@@ -0,0 +1,15 @@
+<?php
+
+class x_legend
+{
+	function x_legend( $text='' )
+	{
+		$this->text = $text;
+	}
+	
+	function set_style( $css )
+	{
+		$this->style = $css;
+		//"{font-size: 20px; color:#0000ff; font-family: Verdana; text-align: center;}";		
+	}
+}
\ No newline at end of file
diff --git a/libraries/chart/ofc/ofc_y_axis.php b/libraries/chart/ofc/ofc_y_axis.php
new file mode 100644
index 000000000..3846c9285
--- /dev/null
+++ b/libraries/chart/ofc/ofc_y_axis.php
@@ -0,0 +1,17 @@
+<?php
+
+class y_axis extends y_axis_base
+{
+	function y_axis(){}
+	
+	/**
+	 * @param $colour as string. The grid are the lines inside the chart.
+	 * HEX colour, e.g. '#ff0000'
+	 */
+	function set_grid_colour( $colour )
+	{
+		$tmp = 'grid-colour';
+		$this->$tmp = $colour;
+	}
+	
+}
\ No newline at end of file
diff --git a/libraries/chart/ofc/ofc_y_axis_base.php b/libraries/chart/ofc/ofc_y_axis_base.php
new file mode 100644
index 000000000..8093a09e5
--- /dev/null
+++ b/libraries/chart/ofc/ofc_y_axis_base.php
@@ -0,0 +1,116 @@
+<?php
+
+class y_axis_base
+{
+	function y_axis_base(){}
+	
+	/**
+	 * @param $s as integer, thickness of the Y axis line
+	 */
+	function set_stroke( $s )
+	{
+		$this->stroke = $s;
+	}
+	
+	/**
+	 * @param $val as integer. The length of the ticks in pixels
+	 */
+	function set_tick_length( $val )
+	{
+		$tmp = 'tick-length';
+		$this->$tmp = $val;
+	}
+	
+	function set_colours( $colour, $grid_colour )
+	{
+		$this->set_colour( $colour );
+		$this->set_grid_colour( $grid_colour );
+	}
+	
+	function set_colour( $colour )
+	{
+		$this->colour = $colour;
+	}
+	
+	function set_grid_colour( $colour )
+	{
+		$tmp = 'grid-colour';
+		$this->$tmp = $colour;
+	}
+	
+	/**
+	 * Set min and max values, also (optionally) set the steps value.
+	 * You can reverse the chart by setting min larger than max, e.g. min = 10
+	 * and max = 0.
+	 * 
+	 * @param $min as integer
+	 * @param $max as integer
+	 * @param $steps as integer.
+	 */
+	function set_range( $min, $max, $steps=1 )
+	{
+		$this->min = $min;
+		$this->max = $max;
+		$this->set_steps( $steps );
+	}
+	
+	/**
+	 * Sugar for set_range
+	 */
+	function range( $min, $max, $steps=1 )
+	{
+		$this->set_range( $min, $max, $steps );
+		return $this;
+	}
+	
+	/**
+	 * @param $off as Boolean. If true the Y axis is nudged up half a step.
+	 */
+	function set_offset( $off )
+	{
+		$this->offset = $off?1:0;
+	}
+	
+	/**
+	 * @param $y_axis_labels as an y_axis_labels object
+	 * Use this to customize the labels (colour, font, etc...)
+	 */
+	function set_labels( $y_axis_labels )
+	{
+		$this->labels = $y_axis_labels;
+	}
+	
+	/**
+	 * Pass in some text for each label. This can contain magic variables "#val#" which
+	 * will get replaced with the value for that Y axis label. Useful for:
+	 * - "£#val#"
+	 * - "#val#%"
+	 * - "#val# million"
+	 * 
+	 * @param $text as string.
+	 */
+	function set_label_text( $text )
+	{
+		$tmp = new y_axis_labels();
+		$tmp->set_text( $text );
+		$this->labels = $tmp;
+	}
+	
+	/**
+	 * @param $steps as integer.
+	 *
+	 * Only show every $steps label, e.g. every 10th
+	 */
+	function set_steps( $steps )
+	{
+		$this->steps = $steps;	
+	}
+	
+	/**
+	 * Make the labels show vertical
+	 */
+	function set_vertical()
+	{
+		$this->rotate = "vertical";
+	}
+}
\ No newline at end of file
diff --git a/libraries/chart/ofc/ofc_y_axis_label.php b/libraries/chart/ofc/ofc_y_axis_label.php
new file mode 100644
index 000000000..f2616f537
--- /dev/null
+++ b/libraries/chart/ofc/ofc_y_axis_label.php
@@ -0,0 +1,38 @@
+<?php
+
+/**
+ * y_axis_label see y_axis_labels
+ */
+class y_axis_label
+{
+	function y_axis_label( $y, $text)
+	{
+		$this->y = $y;
+		$this->set_text( $text );
+	}
+	
+	function set_text( $text )
+	{
+		$this->text = $text;
+	}
+	
+	function set_colour( $colour )
+	{
+		$this->colour = $colour;
+	}
+	
+	function set_size( $size )
+	{
+		$this->size = $size;
+	}
+	
+	function set_rotate( $rotate )
+	{
+		$this->rotate = $rotate;
+	}
+	
+	function set_vertical()
+	{
+		$this->rotate = "vertical";
+	}
+}
\ No newline at end of file
diff --git a/libraries/chart/ofc/ofc_y_axis_labels.php b/libraries/chart/ofc/ofc_y_axis_labels.php
new file mode 100644
index 000000000..c0708ab21
--- /dev/null
+++ b/libraries/chart/ofc/ofc_y_axis_labels.php
@@ -0,0 +1,57 @@
+<?php
+
+class y_axis_labels
+{
+	function y_axis_labels(){}
+	
+	/**
+	 * @param $steps which labels are generated
+	 */
+	function set_steps( $steps )
+	{
+		$this->steps = $steps;
+	}
+	
+	/**
+	 *
+	 * @param $labels as an array of [y_axis_label or string]
+	 */
+	function set_labels( $labels )
+	{
+		$this->labels = $labels;
+	}
+	
+	function set_colour( $colour )
+	{
+		$this->colour = $colour;
+	}
+	
+	/**
+	 * font size in pixels
+	 */
+	function set_size( $size )
+	{
+		$this->size = $size;
+	}
+	
+	/**
+	 * rotate labels
+	 */
+	function set_vertical()
+	{
+		$this->rotate = 270;
+	}
+	
+	function rotate( $angle )
+	{
+		$this->rotate = $angle;
+	}
+	
+	/**
+	 * @param $text default text that all labels inherit
+	 */
+	function set_text( $text )
+	{
+		$this->text = $text;
+	}
+}
\ No newline at end of file
diff --git a/libraries/chart/ofc/ofc_y_axis_right.php b/libraries/chart/ofc/ofc_y_axis_right.php
new file mode 100644
index 000000000..71f7c2984
--- /dev/null
+++ b/libraries/chart/ofc/ofc_y_axis_right.php
@@ -0,0 +1,6 @@
+<?php
+
+class y_axis_right extends y_axis_base
+{
+	function y_axis_right(){}
+}
\ No newline at end of file
diff --git a/libraries/chart/ofc/ofc_y_legend.php b/libraries/chart/ofc/ofc_y_legend.php
new file mode 100644
index 000000000..048d8b51e
--- /dev/null
+++ b/libraries/chart/ofc/ofc_y_legend.php
@@ -0,0 +1,15 @@
+<?php
+
+class y_legend
+{
+	function y_legend( $text='' )
+	{
+		$this->text = $text;
+	}
+	
+	function set_style( $css )
+	{
+		$this->style = $css;
+		//"{font-size: 20px; color:#0000ff; font-family: Verdana; text-align: center;}";		
+	}
+}
\ No newline at end of file
diff --git a/libraries/chart/ofc/open-flash-chart.php b/libraries/chart/ofc/open-flash-chart.php
new file mode 100644
index 000000000..b017097d0
--- /dev/null
+++ b/libraries/chart/ofc/open-flash-chart.php
@@ -0,0 +1,178 @@
+<?php
+
+// var_dump(debug_backtrace());
+
+//
+// Omar Kilani's php C extension for encoding JSON has been incorporated in stock PHP since 5.2.0
+// http://www.aurore.net/projects/php-json/
+//
+// -- Marcus Engene
+//
+if (! function_exists('json_encode'))
+{
+	include_once 'JSON.php';
+}
+
+include_once 'json_format.php';
+
+// ofc classes
+include_once 'ofc_title.php';
+include_once 'ofc_y_axis_base.php';
+include_once 'ofc_y_axis.php';
+include_once 'ofc_y_axis_right.php';
+include_once 'ofc_y_axis_labels.php';
+include_once 'ofc_y_axis_label.php';
+include_once 'ofc_x_axis.php';
+
+
+include_once 'ofc_pie.php';
+//include_once 'ofc_bar.php';
+include_once 'ofc_bar_glass.php';
+include_once 'ofc_bar_filled.php';
+include_once 'ofc_bar_stack.php';
+//include_once 'ofc_bar_3d.php';
+include_once 'ofc_hbar.php';
+include_once 'ofc_line_base.php';
+include_once 'ofc_line.php';
+//include_once 'ofc_line_dot.php';
+//include_once 'ofc_line_hollow.php';
+include_once 'ofc_candle.php';
+include_once 'ofc_area_base.php';
+include_once 'ofc_tags.php';
+include_once 'ofc_arrow.php';
+//include_once 'ofc_area_hollow.php';
+//include_once 'ofc_area_line.php';
+
+include_once 'ofc_x_legend.php';
+include_once 'ofc_y_legend.php';
+include_once 'ofc_bar_sketch.php';
+include_once 'ofc_scatter.php';
+include_once 'ofc_scatter_line.php';
+include_once 'ofc_x_axis_labels.php';
+include_once 'ofc_x_axis_label.php';
+include_once 'ofc_tooltip.php';
+include_once 'ofc_shape.php';
+include_once 'ofc_radar_axis.php';
+include_once 'ofc_radar_axis_labels.php';
+include_once 'ofc_radar_spoke_labels.php';
+include_once 'ofc_line_style.php';
+
+include_once 'dot_base.php';
+include_once 'ofc_menu.php';
+
+class open_flash_chart
+{
+	function open_flash_chart()
+	{
+		//$this->title = new title( "Many data lines" );
+		$this->elements = array();
+	}
+	
+	function set_title( $t )
+	{
+		$this->title = $t;
+	}
+	
+	function set_x_axis( $x )
+	{
+		$this->x_axis = $x;	
+	}
+	
+	function set_y_axis( $y )
+	{
+		$this->y_axis = $y;
+	}
+	
+	function add_y_axis( $y )
+	{
+		$this->y_axis = $y;
+	}
+
+	function set_y_axis_right( $y )
+	{
+		$this->y_axis_right = $y;
+	}
+	
+	function add_element( $e )
+	{
+		$this->elements[] = $e;
+	}
+	
+	function set_x_legend( $x )
+	{
+		$this->x_legend = $x;
+	}
+
+	function set_y_legend( $y )
+	{
+		$this->y_legend = $y;
+	}
+	
+	function set_bg_colour( $colour )
+	{
+		$this->bg_colour = $colour;	
+	}
+	
+	function set_radar_axis( $radar )
+	{
+		$this->radar_axis = $radar;
+	}
+	
+	function set_tooltip( $tooltip )
+	{
+		$this->tooltip = $tooltip;	
+	}
+	
+	/**
+	 * This is a bit funky :(
+	 *
+	 * @param $num_decimals as integer. Truncate the decimals to $num_decimals, e.g. set it
+	 * to 5 and 3.333333333 will display as 3.33333. 2.0 will display as 2 (or 2.00000 - see below)
+	 * @param $is_fixed_num_decimals_forced as boolean. If true it will pad the decimals.
+	 * @param $is_decimal_separator_comma as boolean
+	 * @param $is_thousand_separator_disabled as boolean
+	 *
+	 * This needs a bit of love and attention
+	 */
+	function set_number_format($num_decimals, $is_fixed_num_decimals_forced, $is_decimal_separator_comma, $is_thousand_separator_disabled )
+	{
+		$this->num_decimals = $num_decimals;
+		$this->is_fixed_num_decimals_forced = $is_fixed_num_decimals_forced;
+		$this->is_decimal_separator_comma = $is_decimal_separator_comma;
+		$this->is_thousand_separator_disabled = $is_thousand_separator_disabled;
+	}
+	
+	/**
+	 * This is experimental and will change as we make it work
+	 * 
+	 * @param $m as ofc_menu
+	 */
+	function set_menu($m)
+	{
+		$this->menu = $m;
+	}
+	
+	function toString()
+	{
+		if (function_exists('json_encode'))
+		{
+			return json_encode($this);
+		}
+		else
+		{
+			$json = new Services_JSON();
+			return $json->encode( $this );
+		}
+	}
+	
+	function toPrettyString()
+	{
+		return json_format( $this->toString() );
+	}
+}
+
+
+
+//
+// there is no PHP end tag so we don't mess the headers up!
+//
\ No newline at end of file