document.write('');
document.write('
');
document.write('
// Generate unique code');
document.write('
function generateUniqueCode
()');
document.write('
{');
document.write('
$nRandom = generateRandomNum
(1,
50000);
');
document.write('
$nMicro = getMicroTime
();
');
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return ($nRandom +
$nMicro);
');
document.write('
}');
document.write('
');
document.write('
// Generate a random number');
document.write('
function generateRandomNum
($Min,
$Max)');
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{');
document.write('
mt_srand((double
) microtime() *
1000000);
');
document.write('
return mt_rand($Min,
$Max);
');
document.write('
}');
document.write('
');
document.write('
// Generates a code string');
document.write('
function generateCodeString
($strKey =
"")');
document.write('
{');
document.write('
return strtoupper(sha1($strKey . generateUniqueCode
()));
');
document.write('
}');
document.write('
');