Try the following Puzzle to find the Bluetooth definitions. (Flash is required)
\n');}
if ( plugin ) {
document.write('');
} else if (!(navigator.appName && navigator.appName.indexOf("Netscape")>=0 && navigator.appVersion.indexOf("2.")>=0)){
document.write('
');
}
//-->
A different type of puzzle is the Codebreaker. (requires Java)