Run multiple yahoo accounts on single Pc

anybody having more than 1 yahoo accounts
& wanna use both of them @ the same instant

do this following

* Write regedit, press enter
* Goto “HKEY_CURRENT_USER\Software\Yahoo\Pager\Test”
* Create a DWORD registry value named “Plural” by right clicking the right hand side window.
* Double click the new DWORD entry and set the value to 1

now all set to open another yahoo messanger program on the same machine
run the yahoo messanger program once again