????????????????????????????

?OS
?WindowsXP/Vista/Windows7
?Mac OS X(10.4?10.5?10.6)

?????
?Microsoft Internet Explorer 6??(WindowsXP/Vista/Windows7?)
?Safari 3??(Mac OS X?)
?Firefox 2?? (WindowsXP/Vista/Windows7/Mac OS X?)
?Chrome 14.0?? (WindowsXP/Vista/Windows7/Mac OS X?)

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? Internet Explorer ??????
? Firefox ??????
? Safari ??????
? Chrome ??????

?JavaScript
Javascript?????????????????JavaScript???????????????????????????????????????????????JavaScript???????????