script language

Question

 hii i am deepak dot.net developer at wepop

 

 

HI friends iam using two textboxes in my .aspx page

like one is new password
second is confirm new password

if iam not giving same password in two textboxes it shows a message like password and confirm newpassword should not be same.
please enter same password.how to write javascript for this also before clicking the submit button
please help me