Can someone help!!!

 i have a page that do the manutence of user and i want when a user 
want to change the password open a page and the user put the new 
password and confirm the new password and when he press the button ok 
the value return to the page and to the textbox in the page who open 
the page to change the password!!! i want to do this without reload the 
page!!! 

 if someone can help me i apreciate...

  thanks in advance



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