Show Online YM

if you have a website or blog, you can provide an easy way for your visitors to get in touch with you over Yahoo! Messenger. To display an online presence indicator (OPI) badge, all you need to do is drop a little bit of code into your webpage. Then when visitors come to your site, they’ll see a badge displaying your online status, even when you’re signed out of Yahoo! Messenger.

 How to display the online status of Yahoo Messenger's easy, you just copy a little code below and replace my ID YM (Bohyeweb-online) with your YM ID, (Attention: there are two ID YM that you should change):

<a href="http://messenger.yahoo.com/edit/send/?.target=bohyeweb-online">
<img src="http://opi.yahoo.com/yahooonline/u=bohyeweb-online/m=g/t=2/l=us/opi.jpg" border="0" alt="Status YM" /></a>

You can choose to display online status, such as: 

t=0

t=1

t=2

t=3

t=4

t=5

t=6

t=7

t=8

t=9

t=10

t=11

t=12

t=13

t=14

t=15

t=16

By replacing the code t = 2 in the above html code with the code of your choice.

Please try!

Source:

http://messenger.yahoo.com/
http://www.ymessengerblog.com