--- render.php.old	2006-10-08 00:14:46.000000000 +0200
+++ render.php	2006-10-08 00:19:31.000000000 +0200
@@ -88,7 +88,9 @@
       $x_offset_flag = 80;
       $odd = 1;
       foreach ($l as $key => $value) {
-        imageantialias($graph, TRUE);
+        if (function_exists('imageantialias')) {
+          imageantialias($graph, TRUE);
+        }
         if ($odd % 2) {
           $from = 199 - ($value / $y_scale * 200);
           if ($odd != 1) {
@@ -99,7 +101,9 @@
           $to = 199 - ($value / $y_scale * 200);
           imageline($graph, $x_offset_flag - 30, $from, $x_offset_flag, $to, $fillcolor);
         }
-        imageantialias($graph, FALSE);
+        if (function_exists('imageantialias')) {
+          imageantialias($graph, FALSE);
+        }
         $marker = $y_offset_bar + 5;
         imageline($graph, $marker, 204, $marker, 194, $fillcolor);
         $x_offset_bar = $x_offset_bar + 30;