VS 2008 Javascript Auto Tab?

Sep 9, 2010

I have four text boxes and am looking to auto tab when they reach their max length. I don't want to autopost back so I'm looking to write a javascript function like this but just can't get it working
Code:

txtYr.Attributes.Add("onkeypress", "return Tab(currentField,nextField)")

Code:

function Tab(currentField, nextField)
{
// Determine if the current field's max length has been reached.
[code]....

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