Index: trunk/wb/include/captcha.php
===================================================================
--- trunk/wb/include/captcha.php	(revision 151)
+++ trunk/wb/include/captcha.php	(revision 152)
@@ -33,10 +33,13 @@
 */
 
 $image = imagecreate(120, 30);
+
 $white = imagecolorallocate($image, 0xFF, 0xFF, 0xFF);
 $gray = imagecolorallocate($image, 0xC0, 0xC0, 0xC0);
 $darkgray = imagecolorallocate($image, 0x50, 0x50, 0x50);
+
 srand((double)microtime()*1000000);
+
 for ($i = 0; $i < 30; $i++) {
   $x1 = rand(0,120);
   $y1 = rand(0,30);
@@ -44,9 +47,11 @@
   $y2 = rand(0,30);
   imageline($image, $x1, $y1, $x2, $y2 , $gray);  
 }
+
 for ($i = 0; $i < 5; $i++) {
 $cnum[$i] = rand(0,9);
 }
+
 for ($i = 0; $i < 5; $i++) {
  $fnt = rand(3,5);
  $x = $x + rand(12 , 20);
@@ -53,7 +58,12 @@
  $y = rand(7 , 12); 
  imagestring($image, $fnt, $x, $y, $cnum[$i] , $darkgray); 
 }
+
 $digit = "$cnum[0]$cnum[1]$cnum[2]$cnum[3]$cnum[4]";
+
+session_start();
+$_SESSION['captcha'] = $digit;
+
 header('Content-type: image/png');
 imagepng($image);
 imagedestroy($image);