Dynamically modify the input box password to show hidden?

I want to click to show password and hide password, why mine can"t show

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how can I dynamically show and hide passwords?


solved is that I am too lame

MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1b3d52d-2c399.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b3d52d-2c399.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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