problema phpmygraph...

[scrubs]

salut...a lucrat cineva cu clasa aceasta.... http://phpmygraph.abisvmm.nl/ ...am downloadat script-ul cand il rulez imi arata niste heroglife am tot incercat dar tot nu am reusit sa rezolv nimic...
am graph.php
<?php
//Set content-type header
header("Content-type: image/png");

//Include phpMyGraph5.0.php
include_once('phpMyGraph5.0.php');

//Set config directives
$cfg['title'] = 'Example graph';
$cfg['width'] = 500;
$cfg['height'] = 250;

//Set data
$data = array(
'Jan' => 12,
'Feb' => 25,
'Mar' => 0,
'Apr' => 7,
'May' => 80,
'Jun' => 67,
'Jul' => 45,
'Aug' => 66,
'Sep' => 23,
'Oct' => 23,
'Nov' => 78,
'Dec' => 23
);

//Create phpMyGraph instance
$graph = new phpMyGraph();

//Parse
$graph->parseHorizontalLineGraph($data, $cfg);
?>
si index.php
echo " < img src=\"graph.php\"> "; si nu resuesc deloc sa ii dau de cap...multumesc anticipat!!!