# How do I make something fade in and out by rolling over?

**URL:** <https://forum.kirupa.com/t/how-do-i-make-something-fade-in-and-out-by-rolling-over/80956>\
**Category:** flash\
**Created:** [February 26, 2005, 9:23am UTC](https://forum.kirupa.com/t/how-do-i-make-something-fade-in-and-out-by-rolling-over/80956 "2005-02-26T09:23:44Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![LunarTears](https://avatars.discourse-cdn.com/v4/letter/l/4bbf92/32.png) [@LunarTears](https://forum.kirupa.com/u/LunarTears)\
**Post date:** [February 26, 2005, 9:23am UTC](https://forum.kirupa.com/t/how-do-i-make-something-fade-in-and-out-by-rolling-over/80956/1 "2005-02-26T09:23:44Z")

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How do I make an MC or maybe even a button \_alpha in and out? I want it to  
\_alpha -= 1 when it’s at 100, and \_alpha += 1 when it’s at 25, how can I do this?