Trick to LogIn to Yahoo Messenger with Multiple Id's.

We can now LogIn with multiple ID’s on the same yahoo messenger. We need not to download any new software for this, all you have to do is
Follow these steps :
1) Go to Start >> Run >> Type "regedit" and then press enter (without quotes ).
2) Navigate to HKEY_CURRENT_USER >> Software >> yahoo >> pager >> Test.

3) On the right pane, right click and choose new Dword value.
4) Rename it as Plural.
5) Double click and assign a decimal value of 1.
6) That's it. Close the registry. Now we can log in into Yahoo Messenger with multiple Id's. If the Registry is Disabled then we have to Enable it.
So this is a simple Trick to LogIn to Yahoo Messenger with Multiple Id's.