Checks The Maximum Size Of Characters Entered?

Jan 16, 2009

I want an option which checks the maximum size of characters entered. Following is an HTMl code with javascript. this Javascript checks whether the field is empty or not. but i need one more option which checks and alerts if the characters entered in the username field r more than 15. As I am not so familiar with the javascript coding,

<HTML><HEAD><TITLE>Electronic Deposting Form</TITLE>
<script language="JavaScript">
<!-- script start[url]...............

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The HTML
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[Code]....

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$
(
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[code]....

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[Code]...

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